A2S1ASQ48VDC1.6

Relay Automotive Overview

The A2S1ASQ48VDC1.6 is an automotive relay from the CIT Relay and Switch A2 series, designed for high-current switching applications. It features a single-pole single-throw normally open (SPST-NO) contact configuration rated for up to 40A at 14VDC, with a maximum switching voltage of 75VDC. The coil operates on 48VDC with a resistance of 360 Ohms and consumes 1.6W of power. Key electrical parameters include a minimum pull-in voltage of 33.6VDC and a maximum release voltage of 1.2VDC. The unit utilizes silver tin oxide contacts with initial contact resistance under 30 milliohms.

Relay Automotive Feature Summary

• Large switching capacity supporting up to 40A current loads
• Compact physical design ensuring small size and light weight
• Versatile mounting options including PCB pins and quick connect terminals

Relay Automotive Applications

• Automotive electrical systems
• Lamp accessories control
• High-current circuit switching in vehicles

Relay Automotive Procurement Notes

Verify the specific coil voltage rating of 48VDC against system requirements to ensure compatibility. Confirm the SPST-NO contact form matches the intended circuit logic. Check for RoHS compliance status if environmental regulations apply. Ensure the quick connect terminal style aligns with existing harness connectors. Review manufacturer specifications for any updates regarding manufacturing certifications or material changes.

Relay Automotive Selection Notes

Select this component when a robust automotive relay capable of handling high continuous currents is required. The 48VDC coil specification necessitates a compatible control circuit source. Consider the sealed construction for protection against environmental factors. Evaluate the mechanical dimensions against available board space constraints. Assess the thermal performance characteristics relative to the expected duty cycle and ambient operating temperatures.

Relay Automotive Part Context

This part belongs to the CIT A2 series of automotive relays, which are engineered for durability in demanding vehicle environments. The series is characterized by its ability to manage significant electrical loads within a compact footprint. Manufacturing processes for this line are certified under QS-9000 and ISO-9002 standards, ensuring consistent quality and reliability for automotive-grade applications.

Relay Automotive Replacement Considerations

Direct substitutes may include other models within the CIT A2 series with matching 48VDC coil ratings and SPST-NO configurations. Verify that alternative parts maintain the same 40A current rating and 75VDC voltage limit. Ensure physical mounting compatibility and terminal pinout alignment before substitution.