Features: - Helps extend battery life - Suitable for universal 12V applications - Prevents primary battery discharge - Constructed from water-resistant black phenolic plastic - Main function is to switch on; can be used independently or connected to a control system - Does not include additional control relay - Ideal for dual battery systems when connected to a controller Specifications: - Product series: Auto relay - Contact load: High power - Contact switching current: 500A - Contact switching voltage: 7.8VDC - Contact form: Transformation type - Rated current: 500A - Protective features: Sealing type - Coil power: 12V DC - Weight: 235g Contact Data: - Contact material: AgSnO₂In - Contact form: 1H (1A) - Contact ratings: 500A - Contact resistance: 100mΩ max at 6VDC 1A - Max switching current: 500A - Max switching voltage: 14VDC - Max switching power: 500A - Electrical life expectancy: 100,000 operations (at 30 operations/minute) - Mechanical life expectancy: 10,000,000 operations Coil Specifications: - Nominal voltage (VDC): 12 - Coil resistance (Ω): 168 - Max operate voltage (VDC): 14 - Min release voltage (VDC): 1.2 - Max applicable voltage (VDC): 9 Characteristics: - Temperature range: -30°C to 80°C - Vibration resistance: 10–55Hz, 1.5mm - Shock resistance: 50g operational, 100g damage limit - Humidity: 40–85% - Insulation resistance: 100MΩ min at 500VDC - Dielectric strength: - Between open contacts: 2000VAC (for 1 minute) - Between contacts and coil: 1500VAC (for 1 minute) - Operate time: 50ms - Release time: 50ms Package Included: 1 x Heavy current relay