Panasonic Automotive Relays CB1aHF-P-24V

The CB1aHF-P-24V is a 1 Form A, 24 VDC automotive relay with high contact capacity, designed for switching loads up to 40 A at 14 V DC and 20 A at 28 V DC. It features a PC board mounting style and a compact 22 × 26 mm base. The relay has a coil resistance of 411 Ω, draws 58 mA, and consumes 1.4 W at nominal voltage. It supports an operating temperature range of -40 to +125 °C, meets RoHS compliance, and includes a built-in resistor. Contact material is cadmium-free silver alloy, with initial contact resistance specified at 15 mΩ maximum. Its expected mechanical life exceeds 10⁶ operations at 120 cpm.