Test device for circuit breakers having electronic trip units

Details Test device for circuit breakers having electronic trip units Test device for circuit breakers having electronic trip units

1988-03-18

1989-02-07

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Electromechanical switching device

Circuit breaker

324415, 340638, 340639, G01R 3102, G01R 3132

Patent

active

048034347

ABSTRACT:
The invention is directed to a portable test device for an electronic trip unit which is electrically powered from the internal power supply of the trip unit being tested. The test unit utilizes three leads connected to the trip unit. One of the leads connects to the voltage source for the trip unit and another lead connects to the ground potential to acquire power from the test unit. The voltage is selectively adjusted within the test unit by resistors and a potentiometer to vary the input voltage which is to be carried by the third lead into the trip unit.

REFERENCES:
patent: 3532967 (1970-10-01), Milton
patent: 3740738 (1973-06-01), Kosanovich et al.
patent: 3745453 (1973-07-01), Wright
patent: 3924160 (1975-12-01), Maier
patent: 4128804 (1978-12-01), Russell
patent: 4193025 (1980-03-01), Frailing
patent: 4611174 (1986-09-01), Arnoux
patent: 4634981 (1987-01-01), Shimp

Affiliated with

Also associated with

Rating

Test device for circuit breakers having electronic trip units does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Test device for circuit breakers having electronic trip units, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Test device for circuit breakers having electronic trip units will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1086648