Proquip PJ1412R 12V 40A Normally Open Relay — Japanese 4 Pin SPST
A reliable 12V normally open relay designed for automotive and 4WD electrical applications. The PJ1412R features a Japanese 4-pin layout — note this differs slightly from standard European/Bosch relays — and includes a built-in resistor for voltage spike suppression to protect sensitive electronics.
Available as a single relay or as a kit with a matching 4-pin connector and terminals for a clean, plug-and-play installation.
Kit Options
Single Relay — PJ1412R relay only
Single Relay + Connector Kit — Includes 1 x PJ1412R relay, 1 x ECH4425 4-pin connector, and 4 x terminals
Specifications
Part Number: PJ1412R
Voltage: 12V DC
Current Rating: 40A max
Contact Type: Normally Open (SPST)
Pin Configuration: Japanese 4-pin layout
Protection: Built-in resistor for voltage spike suppression
Pin Wiring Guide
Pin 30 (Common Supply): Connect to fused 12V power source (e.g. battery positive)
Pin 85 (Coil Ground): Connect to vehicle ground or switched ground
Pin 86 (Coil Trigger): Connect to activating switch (e.g. high-beam wire or accessory switch)
Pin 87 (Normally Open Output): Connect to your accessory (e.g. spotlights, air horns, fuel pump)
Suits
12V automotive, 4WD, caravan, and marine relay applications requiring a normally open SPST relay with Japanese pin layout.
