Red Illuminated On/Off Square Push Button Switch For Sargent ECUs

Replacement Push on/Push off switch to replace the main 'Reverse
Polarity' on/off switch for Sargent EC400, EC450 and EC500 series
PSU/ECUs. Illuminates red. Note: This switch is the same
shape/size/series as the
original but does not have rounded corners.  Can also be used for the
Charger, Space Heater and Water Heater switches if necessary. 250V 12A
rated.