Contactor help

[The Cobbler]

can anyone provide help with wiring this 4 pole contactor?
I am I right to assume the A1 & A2 contacts ( in the lower picture ) are for the coil that pulls the contact closed ? and the blue wire attached to A1 is feeing the coils ? so I need to complete the circuit by using A2 to the other leg ( 240volts)
for the feed I can use any of 2 of the contacts L1, L2, L3?
Thanks

 

[PCustoms]

Line of fire?

 

[LopezBart]

This looks correct. The neutral control line is often connected to A1 and the hot to A2, apparently because it makes wiring a latching circuit easier.

 

[wyliesdiesels]

one issue with that. the coil is rated for 220v 50hz which is why you see the neutral in the diagram

there is no neutral on a 240v circuit in the US or Canada

the coil may work on 240v 60hz but could cause some issues.

you would connect both lines to A1/A2 no neutral.

 

[LukeOresk]

This isn’t on a lathe is it? This looks a lot like a contactor on a lathe that my buddy got that needed to be completely rewired because the motor got replaced

 

[The Cobbler]

it was originally a generator transfer switch that was never used . not from a lathe . It's looking to be repurposed .
thanks everyone

 

[wyliesdiesels]

what are you repurposing it for?

 

[micromind]

Your drawing is correct.

If you apply 240 to A1 and A2, the contractor will pull in.

The only difference I would suggest is to use L1 and L3, not L1 and L2. The reason being as the contacts wear, it puts less side stress on the armature.

Small difference but I'm weird like that.......

 

[Bert_]

How are you controlling it? 2 wire control? 3 wire?

 

[The Cobbler]

3 wire. only one contact energized at a time

 

[mm08822]

3 wire. only one contact energized at a time

So there will be a start and a stop pb? If yes, you will need to wire in a sealing contact within that relay using a spare pole (13/14).

 

[The Cobbler]

double throw on/off/on switch . not momentary

 

[mm08822]

double throw on/off/on switch . not momentary

that's 2 wire control then.

 

[The Cobbler]

OK, thanks ... I figured 1 feed to the switch & 2 feeds back to the contactor would be 3 wire. .

 

[Chuckster in NJ]

Maybe this will help.

 

[Bert_]

If you're using a double throw switch, what is the 2nd function? Another motor? Reversing a motor?

Really would help to have the whole plan

 

[wyliesdiesels]

double throw on/off/on switch . not momentary

so youre only using 1 side of the switch?

 

[mm08822]

Maybe this will help.

After hearing that so would a bat. The sealing contact has only 1 side connected.

 

[wyliesdiesels]

Maybe this will help.

if it wasnt for the foreign language i might agree

 

[wyliesdiesels]