A2K1CSQ48VDC1.6

Relay Automotive Overview

The A2K1CSQ48VDC1.6 is an automotive SPDT (Form C) relay manufactured by CIT Relay and Switch, designed for 48VDC coil applications. It features a chassis mount configuration with quick connect terminals sized at 0.250 inches (6.3mm). The contact arrangement supports switching capacities up to 40A at 14VDC, with a maximum switching voltage of 75VDC and power rating of 630W. Initial contact resistance is less than 30 milliohms using AgSnO2 material. The coil operates at 48VDC with a maximum voltage of 62.4VDC and consumes 1.9W of power.

Relay Automotive Feature Summary

• SPDT contact arrangement providing single pole double throw functionality
• Chassis mounting design suitable for secure installation in vehicle environments
• Quick connect terminal interface for simplified wiring integration

Relay Automotive Applications

• Automotive electrical systems
• Lamp accessories control
• General automotive load switching

Relay Automotive Procurement Notes

Verify the specific coil voltage rating matches the target circuit requirements before procurement. Confirm that the chassis mount form factor aligns with available panel space and mounting hardware constraints. Ensure the quick connect terminal dimensions are compatible with existing harness connectors. Check RoHS compliance status if environmental regulations apply to the end product assembly.

Relay Automotive Selection Notes

Select this component when a 48VDC control signal is available and SPDT switching logic is required. The 40A contact rating accommodates high-current automotive loads such as lighting or motor circuits. Consider the physical dimensions and chassis mount style during mechanical design phase. Verify thermal management capabilities within the intended operating temperature range of -40°C to 125°C.

Relay Automotive Part Context

This relay belongs to the A2 series from CIT Relay and Switch, characterized by robust construction for automotive use. The series offers various coil voltages and contact arrangements to suit different vehicle electrical architectures. The A2K1CSQ variant specifically addresses 48VDC applications common in modern heavy-duty or hybrid vehicles.

Relay Automotive Replacement Considerations

Direct substitutes must match the SPDT contact form, 48VDC coil voltage, and chassis mount footprint. Verify that alternative components maintain equivalent 40A switching capacity and AgSnO2 contact materials. Ensure terminal type and spacing compatibility with existing PCB or harness designs.