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PCB reduces wiring time for 19in racks

01 January 2008

E-T-A Circuit Breakers has introduced a new printed circuit board (PCB) for its 19BGT 19in rack, which accommodates an array of single-pole or double-pole circuit breakers of up to 30 poles. A maximum of 30 channels can be wired using single-pole circuit breakers, up to 15 channels with double-pole circuit breakers, or twice 15 channels of single-pole when used redundantly with two separate circuits.

Terminal blocks are soldered on the front of the PCB, while on its rear side the PCB features integral terminals. Wiring is more compact and can be carried out much faster and more accurately compared with more conventional methods of connecting up multiple circuit protection devices within a confined space.

Various E-T-A over-current protection products may be used in connection with the new PCB, including electronic circuit breaker type ESS20, electronic circuit protector ESX10, thermal-magnetic circuit breaker types 2210, 3600 and 3900, or the solid state remote power controller E-1048-700. The maximum supply current is four times 50A, with a maximum of 20A per load output.


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