Joslyn Clark 358454A-4 Fire Pump Contactor Assembly

Joslyn Clark 358454A-4 Fire Pump Contactor Assembly is a refurbished electrical control device designed to switch a fire pump motor within fire protection systems. The assembly supports an 180 A load rating and is rated for a 600 V main circuit, with a 480 V coil used to actuate the contactor. The part number 358454A-4 identifies this specific model variant, making it suitable for installations that require this configuration. As a refurbished unit, it provides an option to restore service in existing fire protection infrastructure that relies on Joslyn Clark equipment. This contactor assembly is intended for use in applications where a reliable high-voltage switching device is needed to control a fire pump, ensuring that the pump can be energized under emergency conditions when the control circuit calls for engagement. Before substitution, confirm that the mounting and electrical connections align with the existing panel and that the 358454A-4 variant matches the original component.