Description: Continuous duty rated 4-Pin SPST (single pole single throw) relay. 72VDC 50A high switching capability. 2pin footprint + 2 screw terminal. Perfect for split charging or vrious automotive applications. Specification: Coil: 12VDC Contact load: 72VDC 50A Type: heavy duty 50A split charge relay Coil resistance: 60(1 ±10%)? Life Expectancy Electrical: 20,000 Ops Life Expectancy Mechanical: 10,000,000 Ops Material: electronic components Size: approx. 65 x 33 x 55/2.6 x 1.3 x 2.2inch Cable Length: 12cm/4.7 Screw Diameter: 5mm Package Includes: 1 Piece Heavy Duty Split Charge Relay