A21CSP48VDC1.6R

Relay Automotive Overview

The A21CSP48VDC1.6R is an automotive relay manufactured by CIT Relay and Switch, featuring a SPDT (1 Form C) contact arrangement. It operates with a 48VDC coil voltage and supports a maximum switching voltage of 75VDC. The device handles a maximum switching current of 40A and offers a maximum switching power of 630W. Key electrical parameters include a coil resistance of 1440 Ohms with a tolerance of +/- 10%, a maximum continuous coil voltage of 62.4VDC, and a pickup voltage of 33.6VDC. The unit utilizes through-hole mounting for PCB integration.

Relay Automotive Feature Summary

• SPDT contact configuration provides versatile circuit control capabilities
• High current capacity suitable for demanding automotive loads
• Through-hole design ensures secure PCB mounting

Relay Automotive Applications

• Automotive electrical systems
• Industrial control circuits
• General purpose switching applications

Relay Automotive Procurement Notes

Verify the specific suffix 'R' against official CIT documentation to confirm lead time or packaging variations. Ensure the 48VDC coil rating matches the system supply. Confirm that the SPDT form factor aligns with the required circuit topology before finalizing procurement orders.

Relay Automotive Selection Notes

Select this component when a single-pole double-throw switching action is required in automotive environments. The 40A rating accommodates high-power loads, while the 48VDC coil specification dictates the necessary control signal voltage. Verify spatial constraints for through-hole installation on the target printed circuit board.

Relay Automotive Part Context

This model belongs to the CIT automotive relay series, designed for robust performance in vehicle applications. The product line emphasizes reliability under varying environmental conditions. The specific part number indicates the coil voltage, contact form, and mechanical mounting style within the manufacturer's catalog structure.

Relay Automotive Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Cross-reference with CIT's official replacement guide or distributor databases for compatible alternatives meeting identical SPDT and 48VDC specifications.