Metal Oxide Varistor 1800V 4.5KA DISC 14mm 14K182

From the shop's description

Specifications Attribute Value Varistor Voltage 1800V Maximum AC Voltage Rating 1000V Maximum DC Voltage Rating 1465V Clamping Voltage 2970V Clamping Current 50A Energy 250J Series ZNR Diameter 16.5mm Maximum Surge Current 4.5KA Thickness 13mm Dimensions 16.5 (Dia.) x 13mm Lead Pitch 15mm