As a Single-Pole Single-Throw (SPST) control

Simplified Installation: Includes a pre-attached bracket and standard wiring terminals for fast service calls in the field

Using it with power burners may result in improper combustion or pressure fluctuations

Ease of Installation: Features extended studs on both ends and a 12-inch lead length to accommodate various mounting configurations and belly bands

Durable Construction: The epoxy-coated shock-resistant steel shell provides longevity in harsh outdoor environments and marine applications

ASCO 300-056 Rebuild Kit 30067439-890 As a Single-Pole Single-Throw (SPST)The ASCO 300 056 Rebuild Kit is a critical maintenance solution designed for the ASCO Series 300 Automatic Transfer Switch. Engineering precision ensures that this ATS repair kit restores the optimal switching performance required for emergency and standby power systems. By utilizing genuine ASCO replacement parts, industrial maintenance professionals can effectively address internal wear in the solenoid operator and contact assemblies, preventing