A3F1ACQ12VDC2D

Relay Automotive Overview

The A3F1ACQ12VDC2D is an automotive relay manufactured by CIT Relay and Switch, designed for high-current applications. It features a single-pole single-throw normally open (SPST-NO) contact arrangement with a rated current of 80A at a maximum switching voltage of 75VDC. The coil operates on 12VDC with a resistance of 90 Ohms and consumes 1.6W of power. Constructed with silver tin oxide contacts, the unit is fully sealed to withstand harsh environments. It utilizes quick-connect terminals measuring 0.250 inches (6.3mm) for installation and supports a wide operating temperature range from -40°C to 125°C.

Relay Automotive Feature Summary

• High-capacity 80A SPST-NO contact configuration suitable for demanding automotive loads
• Fully sealed construction ensures reliable operation in challenging environmental conditions
• Integrated diode protection within the coil circuit safeguards against voltage spikes

Relay Automotive Applications

• Automotive power distribution systems
• Vehicle lighting control circuits
• Motor and pump actuation in transportation equipment

Relay Automotive Procurement Notes

Verify that the specific part number matches the required coil voltage and contact rating for your application. Confirm terminal compatibility with existing harnesses. Check manufacturer documentation for updated RoHS compliance status and moisture sensitivity levels before finalizing procurement decisions.

Relay Automotive Selection Notes

Select this component when a robust, high-current solution is needed for 12V automotive systems. Ensure the 80A rating exceeds peak load requirements. Consider the sealed design for durability. Verify that the quick-connect terminal size aligns with available connector options in the assembly design.

Relay Automotive Part Context

This relay belongs to the A3 series of automotive components from CIT Relay and Switch. The series is engineered for vehicle applications requiring dependable performance under vibration and thermal stress. The A3F variant specifically denotes a sealed unit with a standard pinout configuration optimized for direct replacement or new designs in automotive electrical architectures.

Relay Automotive Replacement Considerations

Direct substitutes include other 12VDC, 80A SPST-NO automotive relays with identical sealing and terminal specifications. Verify coil resistance and physical footprint compatibility before swapping manufacturers.