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Murrelektronik is your system partner: From the control cabinet via the interface, active or passive into the field. We have a widely diversified product range and can supply you with well thought-out solutions that are made to fit your industrial automation applications - from a single source. Murrelektronik's U.S. office and warehouse are located in the suburbs of Atlanta, GA. Our team is customer oriented and we strive to give our customers the very best in product, price, delivery and service. Backed up by a skilled technical support team and a distribution network across the country, we can provide detailed product and application advice from concept to completion. Our success has been based on innovative products, a highly-developed market and customer orientation, effective logistics, teamwork and quality products.
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NEC Class 2 Approval for Murrelektronik’s MICO
POSTED 10/12/2015
Murrelektronik's MICO protective modules for UL508A control cabinets are a proven solution for intelligent power distribution and efficient branch circuit’s protection. 8 different MICO modules are now NEC Class 2 approved, so you can efficiently design your power distribution scheme.
Class 2 Circuits are circuits with limited energy and a maximum power of 100 VA. According to the NEC & UL definition, class 2 circuits limit the risk of electrical fires and electric shocks due to their limited energy. Therefore, according to UL508A standard (for control cabinets), any component used and attached devices on the branch circuit in a Class 2 circuit don’t require investigation. So far, an individual NEC Class 2 approved power supply was used to create a class 2 circuit and it required a lot of space. This method wasn't cost effective and caused a lot of wiring and planning effort. With Murrelektronik's MICO NEC Class 2 approved module, it is now possible to design NEC Class 2 circuits even faster, in a more compact and cost effective way. All you need is a standard power supply unit (that doesn't necessarily has to be NEC Class 2 approved) combined with MICO to design two, four or eight separate load circuits with limited energy in a simple way. By connecting several MICO modules with the integrated bridging system, the number of channels can be increased up to a total current of 40 A. Components attached to the MICO’s marked NEC Class 2 outputs devices no longer need UL-approval. MICO's proven functions like channel-specific switch-off in case of overload, visual warning notice, storing errors and the cascading start of the current paths provide additional benefits and enable using a smaller power supply and limit the operators need to enter the control cabinet.
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MacKenzie Regorsek
Tel: +49 7191 47 4318