Miniature low-voltage circuit breakers use air alone to extinguish the arc. Larger ratings have metal plates or non-metallic arc chutes to divide and cool the arc. Magnetic blowout coils or permanent magnets deflect the arc into the arc ...
Tags: Arc Interruption, Circuit Breaker
Electrical power transmission networks are protected and controlled by high-voltage breakers. The definition of high voltage varies but in power transmission work is usually thought to be 72.5 kV or higher, according to a recent definition ...
Tags: Circuit Breakers, High-Voltage
Medium-voltage circuit breakers rated between 1 and 72 kV may be assembled into metal-enclosed switchgear line ups for indoor use, or may be individual components installed outdoors in a substation. Air-break circuit breakers replaced ...
Tags: Circuit Breakers, Medium-Voltage
Low voltage (less than 1000 VAC) types are common in domestic, commercial and industrial application, and include: MCB (Miniature Circuit Breaker)—rated current not more than 100 A. Trip characteristics normally not adjustable. ...
Tags: Circuit Breakers, Electrical
India's Central Board of Excise and Customs has imposed a 2.5 percent import duty on melting scrap and stainless steel scrap, according to notification published on May 8. India has not collected any duties from scrap imports until now. ...
Tags: Scrap Imports, Mineral
The LSAW steel production, spiral pipe production of hot-rolled coil. Hot strip rolling process unit has a series of advantages, metallurgical process for production of high quality pipeline capacity. For example, when the output of the ...
Spain-based stainless producer Acerinox said that the company announced to begin production at the second phase of its Bahru Stainless works in Johor Bahru, Malaysia. The new plant was able to produce the first coil in the annealing and ...
Tags: Acerinox, stainless producer
The Alliance for Supply Chain Innovation (ASCI) has signed a two-year research agreement worth over $800,000 with Ports Australia – supported by nine ports Australia-wide – into minimising the risks of moving vessels in port ...
Tags: ASCI, Major Project, Ports Australia
Metal spraying or thermal spraying, is one of the most popular coating process. In this process, metal or ceramic is sprayed on the surface of other material or metal. In the process, the metal or material, which has to sprayed, is chosen ...
GE kicked off this year's "completely renovated" customer road tour, GE Odyssey: The Road to Renewal. A five-month travelling road show throughout Canada and the States, the Odyssey truck highlights innovative product and service offerings ...
Tags: Electronics
The National Electrical Manufacturers Association (NEMA), on behalf of the American National Standard Lighting Group (ANSLG), published ANSI/ANSLG C78.43 American National Standard for Electric Lamps—Single-Ended Metal Halide Lamps. ...
Tags: Electric Lamps, Lights, Lighting
According to the Mineral Industry Survey released by the US Geological Survey (USGS), US iron ore production in February this year was 3.9 million mt, falling 7.1 percent from the January level and down by 8.7 percent year on year. Iron ore ...
Tags: Iron Ore Output, Mineral
Russian steel giant Magnitogorsk Iron and Steel Works (MMK) has announced that its Turkey-based subsidiary MMK Metalurji reported no crude steel output in the first quarter of this year, due to smelting capacities being idled in November ...
Tags: Crude Steel Output, Mineral
May 1, 2013 - Ontario’s Ministry of Labour (MoL) reports Algoma Tubes Inc.—a manufacturer of steel pipe products based in Whitehorse, Yukon—has been fined $70,000 for a violation of the Occupational Health & Safety Act ...
Turkish plantmaker CVS Makine has announced that it has signed an agreement with Jeddah, Saudi Arabia-based Rahji Steel to upgrade its existing dedusting system. Rahji Steel has decided to upgrade its dedusting system in line with the ...
Tags: Rahji Steel, Dedusting System