A2HF1ASQ12VDC1.6D

Relay Automotive Overview

The A2HF1ASQ12VDC1.6D is a sealed automotive relay manufactured by CIT Relay and Switch, designed for high-current switching applications. It features a single-pole single-throw normally open (SPST-NO) contact configuration rated for up to 50A at 14VDC. The coil operates on a nominal 12VDC supply with a power consumption of 1.6W and a resistance of approximately 90 Ohms. The device supports quick connect terminals and base mounting, ensuring compatibility with standard automotive electrical systems.

Relay Automotive Feature Summary

• High current switching capacity up to 50A
• Sealed construction for environmental protection
• Compact design suitable for automotive use

Relay Automotive Applications

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

Relay Automotive Procurement Notes

Verify the specific suffix 'D' against the manufacturer's official documentation to confirm the presence of integrated components such as flyback diodes or surge suppression, as this designation may alter internal circuitry compared to standard variants. Ensure the selected part matches the required terminal style and mounting configuration for the target assembly.

Relay Automotive Selection Notes

Select this component when a robust, sealed relay capable of handling 50A loads is required in space-constrained automotive environments. Confirm that the 12VDC coil voltage aligns with the system's power supply and verify that the SPST-NO contact logic satisfies the circuit's operational requirements without needing additional interlocking mechanisms.

Relay Automotive Part Context

This model belongs to the CIT A-Series automotive relays, which are characterized by their compact form factor and high reliability in harsh operating conditions. The series is widely utilized in vehicle electrical architectures where durable switching of high-current accessories is necessary under varying thermal and vibrational stresses.

Relay Automotive Replacement Considerations

Cross-reference with A2M1USP12VDC1.6 for similar 12VDC automotive applications, noting differences in contact arrangement and maximum current ratings. Verify mechanical footprint and pinout compatibility before substituting to ensure proper integration into existing PCB or harness designs.