Glory Normally Closed Contactor Wiring Diagram
All examples shown are for spdt single pole double throw relays which includes any of the 5 10 or 20 amp relays on this.
Normally closed contactor wiring diagram. Normally closed is a contact that flows current in its normal state. Don t overthink these two concepts. Wiring diagram book a1 15 b1 b2 16 18 b3 a2 b1 b3 15 supply voltage 16 18 l m h 2 levels b2 l1 f u 1 460 v f u 2 l2 l3 gnd h1 h3 h2 h4 f u 3 x1a f u 4 f u 5 x2a r power on optional x1 x2115 v 230 v h1 h3 h2 h4 optional connection electrostatically shielded transformer f u 6 off on m l1 l2 1 2 stop ol m start 3 start start fiber optic transceiver class 9005 type ft fiber optic push button.
These contacts may be indicated on the label as normally open no and normally closed nc. Normally closed nc contacts allow current through when the relay or contactor is not energized. Subscribe now for more awesome metal fabrication videos a simple breakdown of how a normally open switch no should operate vs how a normally closed switch.
Check for an auxiliary output. In other words when voltage is applied to the relay contactor terminals this contact closes. Also now is a good time to remind you that this is article is talking about the electrical normally open and normally closed symbols which while may look the same as.
This page demonstrates several simple ways to wire a relay for various applications. Normally open no contacts allow current when the relay or contactor is energized. Disconnect method to physically open the deliver conductor s going to the motor circuit controller to begin and stop the motor overload protection to save you overheating which can end result from motor.
Use these tips to learn how to wire a contactor. That is all there is to it. Trending normally closed contactor wiring diagram 8 pin relay wiring.
Energizing it and switching it on will open the contact causing it to not allow current flow. Relays and contactors have two types of contacts each suited for different applications. Diagrams will show how multiple relays one relay or another or just one relay can control your device.