Solenoids
A solenoid is an electromagnetic relay used in a direct current wiring system between a low current capacity switch and a high current load requirement.
In an engine starting system, the ignition switch in the start position may have a rating of 5 amps whilst the starter motor may have a cranking requirement of 200 to 350 amps.
Once energised by the ignition switch, the solenoid coil moves the high current capacity contact to a closed position, thereby energising the starter motor.
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Solenoids Plated Steel Housing (12)
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Solenoids Black Nylon Housing (12)
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Solenoids PVC Coated Housing (3)
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Solenoids
SPST 12V 110A Latching Solenoid
This special solenoid toggles On and Off, and requires no current to maintain the continuity of the power circuit. Use it with a Mom function switch. Actuation of the momentary switch causes current to flow in the solenoid coil, locking the contact in place, maintaining the load circuit in an On position. A second actuation of the momentary switch releases the plunger, turning the load circuit Off.
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Suggested momentary switches: Toggle: 55020B, Rocker: 58027-02B.