Ac Disconnect Switch Non Fused Wiring Diagram
Devices are available in fused non fused molded case switch or three phase designs and in metal or plastic enclosures for all application.
Ac disconnect switch non fused wiring diagram. The disconnect is a non fuse puller type and is ul listed with an enclosed pull out. One will ground a bare copper or green wire one will be neutral a white wire and one or two will be hot wires black or a combination of black and red. Make sure you use the proper size disconnect. With the breaker turned off the wires can be disconnected and the cable removed from the e lectrical compartment of the.
If the current draw is 28 amps you will need a disconnect rated for 30 amps. The neutral goes to the. Used to disconnect power from an air conditioning unit. If the current draw is 48 amps you will need a disconnect rated for 60 amps.
Electrical ac dc 60a non fused disconnect wiring in a 20a non fused disconnect how do you wire the ground. Step 5 cut hot wires. Also called the service disconnect this is the first disconnect device after the utility meter. Double break single break spst n c.
Step 2 prepare to wire the disconnect switch. A pull out disconnect switch gives a technician a safe way to work on high voltage appliances without the need to access the appliance s circuit breaker. Fuse thermocouple single break spst n o. Wiring diagrams 55 57 type s ac combination magnetic starters 58 59 class 8538 and 8539 58 59 3 phase size 0 5 58.
L1 or disconnect switch l2 l3 circuit breaker stop start m ot t1 t2 t3 m m solid state overload relay 1ct m m motor 3ct to 120 v. Affiliate link above doesn t cost you a penny and it helps me keep sharing helpful videos like this one. Wiring your disconnect switch will vary slightly from one type of switch to another. The line side is the cable supplying voltage from your electrical panel.
If the disconnect is added to an existing ac unit it should be within reach of the already existing cable so only a short cable is needed to bridge the switch to the ac unit. The national electrical code requires that all appliances over 300 volt amps or over 1 8 horsepower use some sort of means of disconnect. I know the red black go to the main posts in and out. Eaton offers the industry s most complete line of acds.
How to wire a disconnect. Depending on whether you have a 110v or 220v circuit you will have either 3 or 4 wires. Electrical disconnects are switches that isolate all wiring in a home or other building from the source of power typically the utility power service. An air conditioning disconnect acd provides an installer or repair personnel with a visible disconnecting means while performing maintenance on an air conditioning unit.