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relay 12v spdt data sheet
relay 12v spdt data sheet
relay 12v spdt data sheet
Supco 90370 General Purpose Fan Relay, 12 A Load Current, 24 V Coil Voltage, Single Pole Double Throw Contacts
The Supco 902 series fan relays receive and control electrical signals for general purpose fan applications. This fan relay has SPST-NO, SPST-NC, SPDT-NO/NC contacts made of silver alloy and coil voltage ratings of 24VAC to 240VAC. It is suitable for use in fan applications.
|Contacts||SPST-NO, SPST-NC, SPDT, 1 NO/1 NC|
|Contact material||Silver alloy|
|Power ratings (all forms)||125VAC, 18 amp resistive, 12 FLA, 60 LRA, 240/277VAC, 18 amp resistive, 8 FLA, 48 LRA|
|Special power ratings (form 1 and 2)||125VAC, 14 FLA, 84 LRA, 277VAC, 25 amp resistive|
|Pilot ratings (all forms)||3 amp, 277VAC general purpose|
250VA at 250VAC
277VA at 277VAC
125VA at 125VAC
|Coil voltage rating||24, 120, 208/240, 77VAC, 12, 24|
|Coil frequency||50/60 Hz|
|Coil pick-up voltage||AC 85% of nominal, DC 75% of nominal|
|Coil power rating||AD DC, Inrush 5VA 3VA, Sealed 3VA 3VA|
Relay switches (also called an electrical relay or an electrical relay switch) use a small amount of power to control a larger source of power connected to electrical devices such as car motors, computers, and lighting installations. A basic relay switch has a control circuit with an electromagnetic coil and a load circuit with contacts and a lever. When current flows into the relay switch, it moves through the coil and a magnetic field is created, which causes the lever in the load circuit to move between contacts, either turning the device on or off. In a normally open (NO) relay switch, when power is supplied to the relay, the load circuit is closed and the power source connected to the relay is turned on. In a normally closed (NC) relay switch, when power is supplied to the relay, the load circuit is open and the power source connected to the relay is turned off. In other types of relay switches, non-moving parts such as transistors or semiconductors can be used as the control circuit to operate the switching mechanism. Relay switches can be controlled with an external switch, such as a light switch, or they can be connected to an automatically switched power source, such as a car ignition. One relay can operate multiple switches, and multiple relays can be operated with a single switch, with each relay operating independently from the other relays in the system.
Supco manufactures test instruments and replacement parts for heating, ventilation, air conditioning, and refrigeration systems. The company, founded in 1945, is headquartered in Allenwood, NJ.
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I have a set of Dual 12" Subwoofers that have an Illuminite feature. However, I can't leave the subs permanently connected to the car battery because they will drain the battery. Is there a way I can put a switch that turns the power to the subwoofer lights on and off?
And got the following answer:
Get a SPDT relay, sold at audio shops, often known as a "Bosch" relay, but it doesn't need to be Bosch brand. It has five terminals on it, marked: 85 86 30 87 87a Your amp is probably near your box. Wire the relay as follows: 85 - To ground terminal on amp 86 - To Remote terminal on amp 87 - To Positive 12v+ terminal of amp 30 - Connect to wire that goes to light on box 87a - No connection Now the lights will be on only when your radio is on 🙂
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