A3F1UCQ12VDC1

Relay Automotive Overview

The A3F1UCQ12VDC1 is a sealed SPST-NO automotive relay manufactured by CIT Relay and Switch. It features a 12VDC coil voltage with a coil power consumption of 1.6W. The contact configuration is Form A (SPST-NO). The rated switching current is 25A at 14VDC, supporting a maximum switching power of 1120W and a maximum switching voltage of 75VDC. The initial contact resistance is less than 30 milliohms, utilizing AgSnO2 contact material. The unit employs quick connect termination and chassis mount installation.

Relay Automotive Feature Summary

• Sealed construction designed for automotive environments
• Single pole single throw normally open contact arrangement
• Quick connect electrical termination for simplified assembly

Relay Automotive Applications

• Automotive lighting circuits
• Vehicle accessory power control
• General automotive load switching

Relay Automotive Procurement Notes

Verify the specific ordering suffix to confirm terminal configuration and mounting style. Ensure the required coil voltage matches the system supply. Confirm that the contact current rating meets the maximum load requirements. Check datasheet specifications for environmental sealing standards relevant to the application environment.

Relay Automotive Selection Notes

Select this component for applications requiring a compact, sealed relay with high current capacity. The 25A rating suits most automotive loads. Verify compatibility with existing wiring harnesses due to the quick connect terminals. Consider thermal management if operating near continuous current limits.

Relay Automotive Part Context

This part belongs to the CIT automotive relay series, characterized by robust sealing and standardized pin configurations. It is engineered for reliability in harsh vehicle environments. The series offers various contact arrangements and coil voltages to accommodate diverse automotive electrical architectures.

Relay Automotive Replacement Considerations

Cross-reference with other CIT models sharing the same footprint and pinout. Verify that substitute parts match the 12VDC coil requirement and 25A contact rating. Ensure mechanical dimensions and sealing integrity are equivalent to maintain installation fit.

Relay Automotive FAQ

What is the contact arrangement?

The A3F1UCQ12VDC1 utilizes a Single Pole Single Throw Normally Open (SPST-NO) contact arrangement.

What is the maximum switching voltage?

The maximum switching voltage rating for this relay is 75VDC.