A3K1CSP48VDC1.6R

Relay Automotive Overview

The A3K1CSP48VDC1.6R 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 145VDC. The component handles a contact current rating of 80A at 14VDC. Designed for through-hole mounting via PC pins, it functions within an operating temperature range of -40°C to 125°C. The coil power consumption is rated at 1.6W.

Relay Automotive Feature Summary

• High-capacity switching capability supporting up to 80A contact current
• Robust construction suitable for demanding automotive environments
• Integrated resistor design for stable coil operation

Relay Automotive Applications

• Automotive electrical systems
• Heavy-duty circuit control
• Lamp accessories

Relay Automotive Procurement Notes

Verify the specific suffix 'R' indicates the integrated resistor variant when sourcing replacements. Confirm that the 80A rating applies to the intended load conditions. Ensure compatibility with existing PCB layouts requiring PC pin termination. Cross-reference the 48VDC coil specification against system power supplies to prevent under-driving or overheating issues during procurement.

Relay Automotive Selection Notes

Select this model for applications requiring high current handling in automotive contexts. The SPDT configuration allows for versatile circuit switching compared to single-pole alternatives. Consider the 145VDC maximum switching voltage limit for high-voltage loads. The wide temperature range ensures reliability in harsh engine compartments or external vehicle modules where thermal stability is critical.

Relay Automotive Part Context

This component belongs to the CIT Maxi Relay series, designed for general-purpose use in vehicles. It complements lower-current variants like the A2 series by offering significantly higher amperage capacity. The product line emphasizes durability and compliance with automotive standards, serving as a key element in modern vehicle electrical architectures.

Relay Automotive Replacement Considerations

Public confirmed substitute part numbers: A3K1CSP48VDC1.6

Relay Automotive FAQ

What is the maximum switching voltage for this relay?

The maximum switching voltage is 145VDC.

Does this relay include an integrated resistor?

Yes, the 'R' suffix indicates the inclusion of an integrated resistor.