Features: 1.Heavy Current Relay: Starter relay can ensure the maximum electric current can be transferred, for multi?battery system forklift engineering automotive. 2.Battery Protection: High current starter relay prevents primary battery discharge, help extend battery life, connect the power cord to the product for use. 3.Premium Material: Water resistant black phenolic plastic; Red copper binding post ensuring heavy current can be transited safely. 4.Long Durability: Rated voltage 24VDC, maximum instantaneous through current 500A. Electrical life expectancy 100,000 operations (30 operations/min). 5.Stable Performance: Designed to match the fit, function and appearance of the original relay on specified vehicles, and is engineered for reliable performance. Specification: Item Type: Starter Relay Material: Copper + plastic Contact Form: 1H(1A) Contact Rating: 500A Contact Resistance: 100m maximum at 6VDC 1A Maximum Switching Current: 500A Maximum Switching Voltage: 14VDC Maximum Switching Power: 500A Electrical Life Expectancy: 100,000 operations (30 operations/min) Nominal Voltage Of Coil Specifications: 24VDC Coil Resistance: 1.6W Maximum Working Voltage: 8VDC Mixed Release Voltage: 1.2VDC Maximum Applicable Voltage: 14VDC Temperature Range: -30-+80 Vibration Resistance: 10-55hz, 1.5mm Humidity: 40%-85% Insulation Resistance: 100m Min at 500VDC Dielectric Strength Between Open Contacts: 2000 VAC (one minute/second) Between Contact And Coil: 1500VAC (one minute/second) Operation Time: 50ms Release Time: 50ms