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Moulded Case Circuit Breakers: Key Features and Applications 12-26-2024 07:36 PM CET | Industry, Real Estate & Construction Press release from: ABNewswire Moulded case circuit breakers (MCCBs) are integral components in electrical distribution systems, designed to provide overcurrent protection and isolation for various applications. With advancements in technology and safety standards, the role of MCCBs has evolved, making them crucial for safeguarding electrical circuits in residential, commercial, and industrial settings. This article delves into the features, types, applications, and the significance of moulded case circuit breakers, particularly highlighting the TUV Certificate High 3P M1 63A-1250A type MCCB and the 250A MCCB. [ https://www.mlele.com/tuv-certificate-high-3p-m1-63a-1250a-type-mccb-moulded-case-circuit-breaker-250a-mccb-product/ ] Image: https://i216.goodao.net/uploads/116.png What is a Moulded Case Circuit Breaker (MCCB) [ https://www.mlele.com/tuv-certificate-high-3p-m1-63a-1250a-type-mccb-moulded-case-circuit-breaker-250a-mccb-product/]? A moulded case circuit breaker is an electromechanical device that interrupts the flow of electrical current in case of overload or short-circuit conditions. Unlike traditional fuses, which need replacement after a fault, MCCBs can be reset after tripping, providing a more efficient and cost-effective solution for circuit protection. The "moulded case" refers to the plastic housing that encases the breaker, offering durability and insulation. Key Features of MCCBs Moulded Case Circuit Breakers (MCCBs) are vital components in electrical systems, designed to provide protection against overload and short-circuit conditions. Here are some of the key features of MCCBs: * Current Ratings: MCCBs are available in various current ratings, typically ranging from 16A to 3200A. The TUV Certificate High 3P M1 series, for instance, caters to current ratings from 63A to 1250A, making it suitable for diverse applications. * Three-Pole and Four-Pole Options: MCCBs can be configured as three-pole (3P) or four-pole (4P) devices, allowing for single-phase or three-phase systems. The three-pole configuration is commonly used in three-phase systems, while the four-pole configuration adds a neutral pole for balanced loads. * Adjustable Trip Settings: MCCBs often feature adjustable thermal and magnetic trip settings, allowing users to customize the protection based on the specific requirements of the application. * Compact Design: The moulded case design contributes to the compactness of MCCBs, facilitating installation in limited spaces without compromising performance. * Reliability and Durability: The high-quality materials used in the construction of MCCBs ensure long-term reliability, making them suitable for demanding industrial environments. Image: https://i216.goodao.net/uploads/213.png How Moulded Case Circuit Breakers Work MCCBs operate on the principle of detecting overcurrent conditions through thermal and magnetic mechanisms. * Thermal Mechanism: This component detects overload conditions, where the current exceeds the rated capacity for a prolonged period. The thermal element heats up and bends a bimetallic strip, triggering the circuit breaker to trip. * Magnetic Mechanism: This mechanism responds to short-circuit conditions, where the current increases suddenly and drastically. The magnetic coil generates a magnetic field that pulls a plunger, instantly tripping the circuit breaker. Applications of Moulded Case Circuit Breakers MCCBs are versatile and can be found in a wide range of applications across various sectors, including: * Industrial Applications: MCCBs are commonly used in manufacturing plants, where they protect motors, transformers, and distribution boards from overcurrent and short circuits. * Commercial Buildings: In commercial settings such as offices, shopping malls, and hotels, MCCBs safeguard electrical panels and equipment, ensuring safety and compliance with electrical codes. * Residential Installations: MCCBs are also used in residential buildings, especially for high-capacity electrical systems, offering protection to home appliances and wiring. * Renewable Energy Systems: With the rise of renewable energy, MCCBs are essential in solar power installations and wind energy systems, protecting inverters and electrical connections. * Data Centers: In data centers where continuous operation is critical, MCCBs ensure reliable power distribution and protection for servers and networking equipment. Image: https://i216.goodao.net/uploads/36.png Importance of TUV Certificate High 3P M1 63A-1250A Type MCCB The TUV Certificate High 3P M1 series of MCCBs, rated between 63A to 1250A, is recognized for its high quality and reliability. The TUV certification signifies that these MCCBs have undergone rigorous testing and meet international safety standards, providing users with assurance in their performance. * Enhanced Safety: The TUV certification ensures that the MCCB meets strict safety requirements, minimizing the risk of electrical hazards. * Energy Efficiency: The high-quality components used in TUV-certified MCCBs contribute to energy efficiency, reducing power losses and improving overall system performance. * Long Lifespan: With durable construction and reliable operation, TUV-certified MCCBs offer a longer lifespan, decreasing the need for frequent replacements and maintenance. Image: https://i216.goodao.net/uploads/4.png Understanding 250A MCCB The 250A MCCB is a specific rating within the moulded case circuit breaker family, designed for applications that require moderate current protection. * Versatility: A 250A MCCB is versatile and can be used in various applications, from small industrial setups to larger commercial buildings, providing effective overcurrent protection. * Adjustable Settings: Users can customize the trip settings for the 250A MCCB, allowing for flexibility in managing different loads and ensuring optimal protection. * Compact Design: Like other MCCBs, the 250A version boasts a compact design, making it suitable for installations where space is a constraint. Advantages of Using Moulded Case Circuit Breakers Moulded Case Circuit Breakers (MCCBs) offer several advantages that make them a preferred choice for protecting electrical circuits in various applications. Here are the key benefits of using MCCBs: Overcurrent Protection MCCBs provide reliable protection against overloads and short circuits. They can detect excessive current and trip the circuit, preventing damage to electrical equipment and reducing the risk of fire hazards. Reusability Unlike traditional fuses, which must be replaced after a fault, MCCBs can be reset after tripping. This feature not only minimizes downtime but also reduces replacement costs and maintenance efforts. Adjustable Settings Many MCCBs come with adjustable trip settings, allowing users to customize the thermal and magnetic trip thresholds according to the specific requirements of their application. This flexibility helps in managing different load conditions effectively. Image: https://i216.goodao.net/uploads/5.png Compact Design MCCBs are designed with a compact footprint, making them suitable for installations in limited spaces. Their size allows for easier integration into electrical panels and distribution boards. High Durability MCCBs are built from high-quality materials, providing durability and a long lifespan. They are capable of withstanding harsh environmental conditions, making them ideal for industrial and outdoor applications. Compliance with Standards MCCBs are designed to meet international safety and performance standards, ensuring that they provide reliable protection and comply with electrical codes. This compliance is crucial for installations in commercial and industrial settings. Image: https://i216.goodao.net/uploads/51.png Conclusion Moulded case circuit breakers are essential components in modern electrical systems, providing reliable overcurrent protection across various applications. With features like adjustable trip settings, a compact design, and compliance with international safety standards such as TUV certification, MCCBs like the TUV Certificate High 3P M1 63A-1250A type MCCB and the 250A MCCB [ https://www.mlele.com/tuv-certificate-high-3p-m1-63a-1250a-type-mccb-moulded-case-circuit-breaker-250a-mccb-product/ ] are critical for ensuring the safety and efficiency of electrical installations. As technology advances, the importance of choosing the right circuit protection devices will continue to grow, making it vital for users to understand the functionalities and benefits of moulded case circuit breakers. Media Contact Company Name: Zhejiang Mulang Electric Co., Ltd. Email:Send Email [ https://www.abnewswire.com/email_contact_us.php?pr=moulded-case-circuit-breakers-key-features-and-applications ] Country: China Website: https://www.mlele.com/ This release was published on openPR.
SANTA CLARA, Calif. (AP) — Getting blown out at Green Bay following another squandered late lead the previous week against Seattle has quickly turned the San Francisco 49ers from a Super Bowl contender into a team just fighting to get back to the playoffs. If San Francisco doesn't get healthy and eliminate the errors that led to Sunday's 38-10 loss to the Packers, the focus will turn from playoff permutations to what offseason changes are necessary. “I think everyone understands completely outside and inside what the situation is,” coach Kyle Shanahan said Monday. “That’s why the Seattle game was so tough of a loss and that’s why last night was even worse. We know what we got ahead of us. We know exactly what the playoff situation is. That is what it is. But really, all that matters is this week when you do need to go on a run and put a lot of wins to even think of that.” The task doesn't get any easier as the Niners (5-6) get set to play at Buffalo on Sunday night. The 49ers are hoping to get injured stars Brock Purdy , Nick Bosa and Trent Williams back for that game, but their presence alone won't fix everything that went wrong on Sunday . The defense got repeatedly gashed early and put San Francisco in a 17-0 hole before the offense even generated a first down. The running game never got going as Christian McCaffrey has looked nothing like the 2023 Offensive Player of the Year in his three games back from Achilles tendinitis. And whenever the Niners appeared to do something right, a penalty came back to haunt them. It added up to the most lopsided loss for San Francisco since the 2018 season, before Shanahan had turned the Niners into perennial contenders. “It’s probably one of the worst ones I’ve been a part of,” linebacker Fred Warner said. “It is embarrassing. You’ve got to take it on the chin, take it like a man and move on.” Despite the doom and gloom, the 49ers are only one game behind Seattle and Arizona in the NFC West standings with six games to go. But San Francisco already has three division losses and a difficult schedule featuring games against the Bills this week and Detroit in Week 17. “My optimism is not broken by any means,” tight end George Kittle said. “We still have a lot of very talented players. We will get some guys back and I still have full trust in the coaching staff to put our guys in position to make plays. I have no worry about that. But definitely an uphill grind. We'll see what we’re made of, which I’m looking forward to.” Red-zone passes to Kittle. Backup QB Brandon Allen connected on a 3-yard TD pass to Kittle late in the second quarter for San Francisco's only TD. Kittle leads the NFL with eight touchdown catches in the red zone, which is tied with Vernon Davis (2013) for the most in a season for a Niners player since 2000. Kittle was the only consistent part of the San Francisco offense with six catches for 82 yards. Avoiding penalties. San Francisco had nine penalties for 77 yards and they were costly and sloppy. The Niners had 12 men on the field on defense on back-to-back plays, three false starts, a pass interference in the end zone and three penalties on special teams, including a holding on Eric Saubert that negated an 87-yard kickoff return by Deebo Samuel to open the second half. Rookie Dominick Puni had three penalties after being penalized just once in the first 10 games. DE Leonard Floyd. There were few positive performances on defense, but Floyd had both of the team's sacks. Run defense. San Francisco allowed 169 yards rushing, including 87 in the first quarter for the team's second-worst performance in the opening quarter since 1991. The Niners missed 19 tackles, according to Pro Football Focus, as Josh Jacobs gained 83 of his 106 yards rushing after contact. Purdy took part in a light throwing session without pain on Monday and Shanahan is hopeful he can return to practice Wednesday after missing the Green Bay game with a shoulder injury. ... Bosa (hip, oblique) and Williams (ankle) also could return this week after sitting out Sunday. ... LG Aaron Banks, DT Jordan Elliott and WR Jacob Cowing all in the concussion protocol. ... RG Dominick Puni (shoulder) and CB Deommodore Lenoir (knee) underwent MRIs on Monday and the team is waiting for results. ... CB Renardo Green (neck) and LB Demetrius Flannigan-Fowles (knee) are day to day. 11 — The Niners generated only 11 first downs, tied for the fewest in any game in eight seasons under Shanahan. They also had 11 in the 2022 NFC title game loss at Philadelphia when Purdy hurt his elbow and in Week 2 against Seattle in Shanahan's first season in 2017. The 49ers visit Buffalo on Sunday night. AP NFL: https://apnews.com/hub/NFL
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New Delhi: While over 2.5 million people are living with HIV in India, the country has made notable progress, and outperformed the global reduction rate, said the Ministry of Health and Family Welfare on Saturday, ahead of World AIDS Day. World AIDS Day has been observed annually on December 1 since 1988, to raise awareness about HIV (Human Immunodeficiency Virus) /AIDS (Acquired Immune Deficiency Syndrome) and to fight the stigma attached to the disease. According to the India HIV Estimations 2023 report, more than 2.5 million people are living with HIV in India. However, the country has seen a 44 per cent reduction since 2010 — with adult HIV prevalence recorded at 0.2 per cent and annual new HIV infections estimated at 66,400, the ministry said. “India has outperformed the global reduction rate of 39 per cent, demonstrating the success of sustained interventions. The availability of free high-quality lifelong treatment for over 16.06 lakh people living with HIV (PLHIV) through 725 ART (Antiretroviral Therapy) centers (as of June 2023) and 12.30 lakh viral load tests conducted between 2022–2023 reflect India’s commitment to ensuring care for affected populations,” the ministry said. “World AIDS Day 2024 serves as a reminder of the work that remains to be done to eliminate HIV/AIDS. Through the NACP Phase-V and its rights-based approach, India has made significant progress in prevention, treatment, and care,” it added. The National AIDS and STD Control Programme (NACP) was launched in 1992 to tackle the disease in the country. The Global AIDS Update 2023 released by The Joint United Nations Programme on HIV/AIDS (UNAIDS), also acknowledged the significant strides made by India in combating HIV/AIDS. It also lauded India for “robust legal framework and financial investments which led to a decline in new HIV cases in India”. These have also facilitated the country’s progress toward the goal of ending AIDS as a public health threat by 2030, said the report, while acknowledging India “for strengthening laws to protect the rights of vulnerable populations”. The theme this year “Take the Rights Path: My Health, My Right!” encapsulates the collective mission to foster inclusivity, uphold human rights, and ensure equitable healthcare access. The ministry noted the importance of collaboration, the need to address structural challenges, and scaling up successful interventions, to lead the global fight against HIV/AIDS.Democrat Jamie Raskin is running for top Judiciary post in bid to counter Trump
King Charles' favourite home looks magical in gorgeous festive photoQatar tribune US President Joe Biden on Sunday said he has pardoned his son, Hunter Biden, despite previously promising he would not do so. The president’s 54-year-old son had pleaded guilty to federal tax charges after being found guilty of charges relating to gun possession and drug use in two separate trials. The sentences were to be announced later in December. The US president said that, while he had promised he wouldn’t interfere with decisions by the Department of Justice, “It is clear that Hunter was treated differently.” “The charges in his cases came about only after several of my political opponents in Congress instigated them to attack me and oppose my election,” the older Biden said in a statement released by the White House. “Then, a carefully negotiated plea deal, agreed to by the Department of Justice, unravelled in the court room - with a number of my political opponents in Congress taking credit for bringing political pressure on the process. Had the plea deal held, it would have been a fair, reasonable resolution of Hunter’s cases. “No reasonable person who looks at the facts of Hunter’s cases can reach any other conclusion than Hunter was singled out only because he is my son - and that is wrong,” continued the US president. Biden had said several times that he would not pardon his son. His term in office ends when power is handed over to President-elect Donald Trump on January 20. Hunter Biden’s legal problems also weighed on his father politically during the election campaign. Biden was originally set to be the Democrats’ candidate for the White House, but withdrew from the race after a disastrous performance in a televised debate against Trump. He was eventually replaced by his vice president, Kamala Harris, who was defeated by Trump in the November election. US President-elect Donald Trump described the decision as a “miscarriage of justice.” He pointed on his Truth Social platform to people jailed for participating in the January 6, 2021 riots on Capitol Hill in Washington, terming them “hostages.” “Does the Pardon given by Joe to Hunter include the J-6 Hostages, who have now been imprisoned for years? Such an abuse and miscarriage of Justice!” Trump posted. Trump is to be inaugurated in Washington on January 20. (DPA) Copy 03/12/2024 10Now Lamar Jackson and the Baltimore Ravens can rest a bit. They've certainly earned it. Baltimore's 31-2 rout of Houston on Wednesday capped a sweep of a grueling stretch of three games in 11 days. Baltimore looked like a Super Bowl contender while handling the Giants, Steelers and Texans. A win next week would give the Ravens the AFC North title — and a third MVP award for Jackson seems to be very much in play. “These guys took these three games in 11 days and smashed it, obliterated it, tore it up and made into a bunch of smithereens laying around everywhere,” coach John Harbaugh said. “I’m proud of the guys (and) how they did it. They did a great job.” Jackson’s passer rating is up to 121.6 on the season. The NFL record is 122.5 by Aaron Rodgers in 2011. Derrick Henry has 1,783 yards rushing, the second most of his career. Justin Tucker, who has struggled to an alarming degree this season, made a 52-yard field goal that went right down the middle in the first quarter Wednesday. A win next week would be Baltimore's 12th of the season — only one behind the number that gave the Ravens the league's best regular-season record in 2023. They won't be the top seed this season, but a victory over Cleveland in Week 18 would mean a division title. Baltimore can also win the division if Pittsburgh loses to Cincinnati. “I believe how our season has gone — the regular season — it just explains how the NFL is. It really doesn’t matter how you start off. It’s about how you finish," Jackson said. "And I believe we’re finishing pretty well right now.” The Ravens lost their first two games of the season, but their open date came right before this tough 11-day stretch, which may have helped. Now they get some extra time to prepare for Cleveland. What's working The Ravens outrushed Houston 251-58, with Jackson scoring on a 48-yard run and Henry racing through big holes from the outset. Jackson passed Michael Vick to take over first place on the NFL's career list for yards rushing by a quarterback. The MVP odds at BetMGM on Thursday showed Buffalo’s Josh Allen (-250) as the favorite, but Jackson (+160) was by no means a long shot. “I’ve seen a lot of great plays from Lamar Jackson,” Harbaugh said. “I told him I was proud of him. I’m not just proud of him just because he makes great plays. I’m proud of him for all the things that go into making great plays and also for all the things he’s overcome along the way.” What needs work The Ravens have cycled through punt returners of late, and newcomer Steven Sims did not have much success in that area Wednesday. He was tackled at his 6-yard line on one return, and when a penalty made Houston do that punt over, the ball bounced inside the 10 and was downed at the 4, leading to a safety and the Texans' only points of the game. Stock up The Baltimore defense, such a liability at times earlier this season, held Houston without a point offensively. C.J. Stroud was sacked five times and threw an interception, and Joe Mixon rushed for only 26 yards. “I’d say we’ve come full circle,” cornerback Marlon Humphrey said. “It’s always good when you can have their offense not score. You’ve got to say you played pretty well. This is a testament to it all kind of coming together. I felt the coaching was there, and I just felt as players, ‘What is the formula to continue to get high percentages of 11 guys doing 11 guys’ jobs?’” Stock down Keaton Mitchell and Rasheen Ali managed only 17 yards on 12 carries. Justice Hill's absence following a concussion left Baltimore without an effective change-of-pace back to pair with Henry. Injuries Ali injured his hip in the third quarter and didn’t return, another blow to Baltimore's running back depth. Key numbers After a 99-yard touchdown drive in the second quarter, the Ravens now have 10 TD drives of 90-plus yards this season. That's the most in the NFL since at least 2000. Up next The Ravens face a Cleveland team that has only three wins entering Week 17 — although one of those victories was against Baltimore. The Ravens allowed 401 yards in a 29-24 loss at Cleveland in late October.
ERP Peers Expands Its Operations With A New Office In Houston, TexasBoxing Day shopper footfall was down 7.9% from last year across all UK retail destinations up until 5pm, MRI Software’s OnLocation Footfall Index found. However, this year’s data had been compared with an unusual spike in footfall as 2023 was the first “proper Christmas” period without Covid-19 pandemic restrictions, an analyst at the retail technology company said. It found £4.6 billion will be spent overall on the festive sales. Before the pandemic the number of Boxing Day shoppers on the streets had been declining year on year. The last uplift recorded by MRI was in 2015. Jenni Matthews, marketing and insights director at MRI Software, told the PA news agency: “We’ve got to bear in mind that (last year) was our first proper Christmas without any (Covid-19) restrictions or limitations. “Figures have come out that things have stabilised, we’re almost back to what we saw pre-pandemic.” There were year-on-year declines in footfall anywhere between 5% and 12% before Covid-19 restrictions, she said. MRI found 12% fewer people were out shopping on Boxing Day in 2019 than in 2018, and there were 3% fewer in 2018 than in 2017, Ms Matthews added. She said: “It’s the shift to online shopping, it’s the convenience, you’ve got the family days that take place on Christmas Day and Boxing Day.” People are also increasingly stocking-up before Christmas, Ms Matthews said, and MRI found an 18% increase in footfall at all UK retail destinations on Christmas Eve this year compared with 2023. Ms Matthews said: “We see the shops are full of people all the way up to Christmas Eve, so they’ve probably got a couple of good days of food, goodies, everything that they need, and they don’t really need to go out again until later on in that week. “We did see that big boost on Christmas Eve. It looks like shoppers may have concentrated much of their spending in that pre-Christmas rush.” Many online sales kicked off between December 23 and the night of Christmas Day and “a lot of people would have grabbed those bargains from the comfort of their own home”, she said. She added: “I feel like it’s becoming more and more common that people are grabbing the bargains pre-Christmas.” Footfall is expected to rise on December 27 as people emerge from family visits and shops re-open, including Next, Marks and Spencer and John Lewis that all shut for Boxing Day. It will also be payday for some as it is the last Friday of the month. A study by Barclays Consumer Spend had forecast that shoppers would spend £236 each on average in the Boxing Day sales this year, but that the majority of purchases would be made online. Nearly half of respondents said the cost-of-living crisis will affect their post-Christmas shopping but the forecast average spend is still £50 more per person than it was before the pandemic, with some of that figure because of inflation, Barclays said. Amid the financial pressures, many people are planning to buy practical, perishable and essential items such as food and kitchenware. A total of 65% of shoppers are expecting to spend the majority of their sales budget online. Last year, Barclays found 63.9% of Boxing Day retail purchases were made online. However, a quarter of respondents aim to spend mostly in store – an 11% rise compared with last year. Karen Johnson, head of retail at Barclays, said: “Despite the ongoing cost-of-living pressures, it is encouraging to hear that consumers will be actively participating in the post-Christmas sales. “This year, we’re likely to see a shift towards practicality and sustainability, with more shoppers looking to bag bargains on kitchen appliances and second-hand goods.” Consumers choose in-store shopping largely because they enjoy the social aspect and touching items before they buy, Barclays said, adding that high streets and shopping centres are the most popular destinations.
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Drop in Boxing Day footfall ‘signals return to declining pre-pandemic levels’
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