The 20490 series is a double pole single throw (DPST) fixed temperature thermostat especially designed for electric heat, laundry, and other major appliance applications. The high capacity thermostats eliminate the need for costly backup contacts and low capacity limit controls in electric heat applications. The 20490 and 20491 are automatic reset devices. The 20492 and 20493 are manual reset and are designed for trip free operation.
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