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| Relay Type | Automotive relay |
| Contact Form | SPDT（1 Form C） |
| Rated Contact Current | 40A |
| Switch Voltage | 14VDC |
| Coil Voltage | 12VDC |
| Coil Current | 134mA |
| Coil Power | 1600mW |
| Coil Resistance | 89.5Ω |
| Installation | Plug-in / Panel Mounting |
| Connector Type | Quick Connect (0.250 inch/6.3mm) |
| Series | CB series |
| Operating Temperature | Maximum 85°C (185°F) |
Manufacturer No.
CB1-R-12V
Interchange No.
CB1A-R-12VCB1V-R-12VCB1-R-M-12VCB1-T-R-12VCB1F-R-12V
Electrical and Electronic System - Industrial Encyclopedia
Panasonic CB1-R-12V high power car relay, designed for 12V automotive electrical systems. SPDT (1 Form C) contact type, rated contact current up to 40A, switching voltage 14VDC. Coil voltage 12VDC, coil current 134mA, coil power 1600mW, coil resistance 89.5Ω. Standard ISO terminals, supports socket mounting or panel mounting, suitable for vehicle lighting, cooling fan, fuel pump and other load control. The relay has high impact resistance, built-in optional surge absorption diode or resistor, ensuring reliable switching. Widely used in passenger car, commercial vehicle and engineering machinery electrical systems.