Question about Cutler Hammer Circuit Breaker, 30 Amp 120V

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Need a wiring schematic for a fire shunt for a commercial bldg

Need to run a fire shunt for 4@220 and 1@110 stoves and misc appliances need a schematic for Cutler-Hammer C25DND330

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  • Bob
    Bob May 11, 2010

    I've answered this question before. The best solution (and possibly the only legal solution) is to install a panel with a shunt trip main breaker. Forget the C25DND330. It is not going to be able to handle the amps. It's just a regular contactor. Sorry, but if you need a schematic for it you shouldn't be working with it in the first place. I strongly recommend calling a qualified licensed electrician.

    Sorry, but as a licenced electrician, I'm not going to tell you how to jerry rig a fire protection system that should have been installed with a shut trip main breaker in the first place. I seriously doubt that anyone else will either. If you want to know how to hook up a shunt trip main breaker panel, I'll be glad to help.


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How do u hook up a 20/1 shunt trip breaker in a paint booth

Posted on Jan 08, 2013

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SOURCE: 20 AMP Cutler Hammer CH GFI wont fit in the breaker box

It will fit, the extra bump out on the back makes it a bit harder to hook the back locking tab before you push it on the bussing. Also, make sure no wires are in the way obstructing the bump out since it hangs out further than the standard breakers. The most common problem is the bump out making it hard to hook the locking tab onto the outer rail. Make sure the breaker is in the off position, then try holding it more flat as you insert it keeping it close to the bussing. This will help keep the extra bump out from obstructing the locking tab from hooking the back rail. Once it's hooked on the back rail you can push it on the bussing like normal.

Posted on Oct 10, 2009

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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I only have power to half of my house power points the safety switch wont turn on

The breaker needs replaced. Hire an electrician. Those wires to it carry 240 volts. The only way to turn it off is to pull the meter.

Jan 11, 2015 | Electrical Supplies

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