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AssuredElectrical
AssuredElectrical, Home Improvement Enthusiast
Category: Home Improvement
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Experience:  Electrical contractor's license
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live neutral connections for feed and load in a crompton 3000

Resolved Question:

live neutral connections for feed and load in a crompton 3000 series starter with thermal overload relay?
Submitted: 3 years ago.
Category: Home Improvement
Expert:  AssuredElectrical replied 3 years ago.
Welcome, my name is XXXXX XXXXX would be glad to assist.

Do you have the Model number? Series 3000 has many different Model.

Is this single phase or 3 phase?

Post the information and we can continue
Thanks
Customer: replied 3 years ago.

Single phase, model ty[pe 3 dl1/3

Expert:  AssuredElectrical replied 3 years ago.

Thank you

 

The only 3DL1 units I find are 3 phase starters which can be used for single or 3 phase.

To be sure of the terminals,
Is yours the 3 phase and you are using it for single phase?

Customer: replied 3 years ago.

yes it is 3 phase and am using it for single phase via an attached relay already fitted.

Expert:  AssuredElectrical replied 3 years ago.
My apologies for the delay, was trying to get a picture of the jumper.

The manual shows this:
1.Live to Terminal 1 on top of starter
2. Neutral to terminal 5 on top of starter
3. You connect a wire as a jumper from Terminal 2 on the overload
and run up to Terminal 3 on the starter
4. Then connect the motor Live to Terminal 4 on the overload
5. Motor neutral to Terminal 6 on overload.

What you are doing, since it is a single phase motor, is to have the power
run through the overload on the unused leg to insure the overload
sees 3 phases of amperage to operate by and not just 2 or else it would
not sense properly to trip out.


graphic
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