Terminal 85 grounds the.
Power pole relay box.
The relay in a box rib power series controls most bas hvac low horsepower motor and lighting applications.
Before we discuss troubleshooting relay related wiring let s review.
The rib power series has a protruding 1 2 quot.
Terminal 86 supplies power to the relay s internal electromagnet.
5 pack 40 30 amp 12 v dc waterproof relay and harness heavy duty 12 awg tinned copper wires 5 pin spdt bosch style automotive relay 4 7 out of 5 stars 474 24 99.
The relays come mounted and pre wired in a housing saving the installer the time trouble and expense of buying separate components relay socket mounting rail and enclosure and assembling them on the job or at the shop.
Sensor switch 1 pole 120 277vac power pack.
In any circuit with a din relay without looking at a wiring diagram you know that.
A relay is an electrically operated switch it consists of a set of input terminals for a single or multiple control signals and a set of operating contact terminals the switch may have any number of contacts in multiple contact forms such as make contacts break contacts or combinations thereof.
Last week we talked about the standard din numbers used on relays and the incredible utility they represent.
Relays are used where it is necessary to control a circuit by an independent low power signal.
These relays are designed for loads of 20 amps an above.
They are designed for surface mounting with or without a socket.
Open relays are suitable for switching motor loads in applications such as elevators machine tools air handling and hvac.
Item 2636991 model pp20pp20.