A2M1ASQ12VDC1.9R

Relay Automotive Overview

The A2M1ASQ12VDC1.9R is an 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 arrangement, providing reliable circuit control. The device operates with a 12VDC coil voltage and supports a maximum switching current of 40A at 14VDC. With a compact chassis mount design, it offers large switching capacity while maintaining a small footprint and lightweight construction suitable for space-constrained automotive environments.

Relay Automotive Feature Summary

• Large switching capacity up to 40A
• Small size and light weight
• PCB pin and quick connect mounting available

Relay Automotive Applications

• Automotive electrical systems
• Lamp accessories control
• DC motor control circuits

Relay Automotive Procurement Notes

Verify the specific ordering suffix against official CIT documentation to confirm coil voltage, contact configuration, and terminal type. Ensure the component meets RoHS compliance requirements for your assembly. Cross-reference the datasheet specifications for thermal and mechanical limits before integration into final designs.

Relay Automotive Selection Notes

Select this model when a 12VDC coil actuation is required for SPST-NO switching duties. Confirm that the 40A contact rating aligns with the load current requirements. Evaluate the chassis mount form factor against available board space and verify compatibility with quick connect terminals if used in harness assemblies.

Relay Automotive Part Context

This component belongs to the CIT automotive relay series, characterized by robust switching capabilities and standardized dimensions. It is engineered for durability in vehicle environments, adhering to QS-9000 and ISO-9002 certified manufacturing standards. The series provides versatile mounting options to accommodate various chassis and PCB layout configurations.

Relay Automotive Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence with other CIT models such as A2M1ASQ12VDC1.6 or A2M1USP12VDC1.6 only if datasheet parameters match exactly.