A2HF1ACQ12VDC1.6D

Relay Automotive Overview

The A2HF1ACQ12VDC1.6D is a sealed automotive relay manufactured by CIT Relay and Switch, designed for high-current applications. It features an SPDT contact configuration with a 50A rated current capacity and supports switching voltages up to 145VDC. The unit utilizes a 12VDC coil with a power consumption of 1.6W and operates within a temperature range of -40°C to 125°C. Key electrical parameters include a 90 Ohm coil resistance and a 133.3 mA coil current. The relay employs quick connect terminals measuring 0.250 inches (6.3mm) for installation and includes an integrated diode for coil protection.

Relay Automotive Feature Summary

• SPDT contact configuration supporting high-current switching up to 50A
• Sealed construction suitable for demanding automotive environments
• Integrated coil protection diode included in the design

Relay Automotive Applications

• Automotive lighting circuits
• High-power accessory control systems
• Industrial equipment switching

Relay Automotive Procurement Notes

Verify the specific terminal style and mounting requirements against the application schematic before ordering. Confirm that the 12VDC coil voltage aligns with the system's power supply architecture. Ensure the PCB or socket interface accommodates the quick connect terminal dimensions. Check for any specific environmental sealing requirements beyond the standard sealed rating provided in the datasheet.

Relay Automotive Selection Notes

Select this component when an SPDT configuration is required for loads exceeding standard relay capacities. The 50A rating makes it suitable for heavy-duty automotive accessories. Consider the operating temperature range if the installation location experiences extreme thermal conditions. Verify that the 1.6W coil power draw is compatible with the controlling circuit's output capabilities.

Relay Automotive Part Context

This model belongs to the A2 series of automotive relays from CIT Relay and Switch. It shares the general form factor and sealing standards with other units in the family but differs in its SPDT contact arrangement and 50A current handling capability compared to lower-rated variants.

Relay Automotive Replacement Considerations

Direct substitutes may include models with identical SPDT configurations and 50A ratings, such as the A2S1ASQ series if contact type compatibility allows. Verify pinout and terminal spacing matches exactly to ensure physical interchangeability without modification.