Ask Experts Questions for FREE Help !
Ask
    emilija's Avatar
    emilija Posts: 1, Reputation: 1
    New Member
     
    #1

    Nov 27, 2009, 03:21 AM
    Westinghouse olda circuit breaker LV
    Please, I need time /current curve for magnet trip circuit breaker MB 31200F. Year of manufecturing is cca 1970. Product is by Westinghouse

Check out some similar questions!

Theory of vacuum Circuit Breaker & sf6 circuit breaker [ 15 Answers ]

I want to know about the basic Theory of vacuum Circuit Breaker & sf6 circuit breaker

Circuit Breaker trips because two bathrooms and master bedroom on same circuit [ 6 Answers ]

Some electrician committed a blunder in my opinion about 17 years ago. The master bedroom and two full bathrooms are all on the same circuit. If two hair dryers are used at the same time, it will trip the breaker every time. In figuring out what amperage would be required for two hair dryers and...

Old Westinghouse Circuit Breaker Data Needed: [ 2 Answers ]

While conducting an arc flash study, I found the following supply breaker on a panel that is 35-40 years old. Westinghouse type QNBRL2100 (quicklag); it is 100amp, 240vac, 2 pole. I am looking for the AIC rating and whether it is thermal magnetic, but can not find it listed in the usual sites...

Circuit breaker trip after install of GFCI breaker [ 3 Answers ]

I'm replacing an outlet under kitchen sink that garbage disposer and dish washer were plugged into because they stopped working. The old outlet was not GFCI. So I'm attempting to replace it with one. Our home was built in the '50s and has no ground line yet. I used an extension cord to plug them...

Gfci breaker + outlet in same circuit.breaker tripping [ 4 Answers ]

I have a gfci breaker for a bathroom and there is an additional gfci outlet in the bathroom on the same circuit. The breaker was tripping intermittently over the past week and now will not re-engage. Should I suspect a faulty breaker or is it better to troubleshoot the circuit first? The...


View more questions Search
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.