The CAR1C40DC24-S is an automotive relay from the CAR&CART 30/40 series designed for high-current DC load switching in automotive applications. It features a 40 A maximum switching current with a contact rating of 30/40 A at 14 VDC (NO) and 20/30 A at 14 VDC (NC), with a maximum switching voltage of 75 VDC and maximum switching power of 560 W. The relay has a 24 VDC nominal coil with a coil resistance of 320 O (±10%) and a coil power of 1800 mW, with pick-up voltage of 16.8 VDC maximum and drop-out voltage of 2.4 VDC minimum. It operates with a response time of =10 ms for both operate and release, features silver alloy contacts with 50 mO contact resistance at 1A 24VDC, and is rated for 1×106 mechanical operations and 1×105 electrical operations. The relay is sealed type with high-temperature design, operates across -40°C to +85°C, and is suitable for automotive power distribution, battery isolation, and motor control applications.