Product category:
Electrical systems
News Release from: E-T-A Circuit Breakers | Subject: Circuit breaker
Edited by the Manufacturingtalk Editorial
Team on 04 May 2007
Remote control circuit breaker for
aircraft
E-T-A Circuit Breakers has introduced the E-T-A 4930, a remotely controlled, single pole circuit breaker (RCCB) approved to MIL-PRF-83383 for the protection of aircraft electrical systems.
E-T-A Circuit Breakers has introduced the E-T-A 4930, a new remotely controlled, single pole circuit breaker (RCCB) approved to MIL-PRF-83383 for the protection of aircraft electrical systems and other high performance applications Low current remote switching is achieved through the use of a conventional, manually operated aircraft-style thermal circuit breaker such as E-T-A types 4120 or 483: thus the 4930 can be placed close to the system it is protecting and wiring harnesses and hence weight can be significantly reduced
This article was originally published on Manufacturingtalk on 5 Feb 2001 at 8.00am (UK)
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E-T-A Circuit Breakers is producing a wide range of ultra-reliable circuit breakers equipment (CBEs) and a range of sub-racks and other power distribution systems.
Circuit breaker protects production
E-T-A Electronic Circuit Breakers avoids costly production line down-times. They offer selective disconnection of load circuits attached to switched-mode power supplies.
The E-T-A 4930 utilises an integral bi-stable linear motor to switch the contacts.
Its ON/OFF status will synchronise with the 4120/483 circuit breaker, matching the status of that controlling circuit breaker.
If power is applied to a de-energised 4930, it will adopt the same switching status as the control circuit breaker; and if the RCCB trips in the event of a load circuit fault, the control circuit breaker will trip, thus providing a visual indication of the fault.
In the event of a short circuit, the switching circuits of the RCCB will not cycle between ON and OFF.
The new E-T-A 4930 Remote Control Circuit Breaker is available in a range of current ratings from 5A to 100A and can be supplied with or without auxiliary contacts which can provide external signalling.
It is temperature compensated: it features a bi-metal actuator which trips the mechanism within a specified time under overcurrent conditions. Request a free brochure from E-T-A Circuit Breakers ...
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