CB1A-12V is a Mini-ISO automotive relay designed for automotive control applications requiring compact, high-capacity switching. This relay features a 1 Form A contact arrangement with a 12V DC rated coil voltage, plug-in mounting classification, and flux-tight protective construction for sealed operation. The relay operates with a rated operating current of 117 mA, coil resistance of 103 O, and rated operating power of 1.4 W, with a usable voltage range of 10 to 16V DC. It provides a rated switching capacity of 40 A at 14V DC (resistive), maximum contact resistance of 15 mO, and silver alloy contacts for reliable performance. The CB1A-12V is commonly used in automotive cell motors, air conditioners, ABS systems, and EPS applications, offering compact design with high switching capacity and heat-resistant construction options for demanding automotive environments.