1618414-5

Overview

The TE Connectivity 1618414-5 is a high-power SPST-NO contactor designed for demanding aerospace and defense applications. It features a 250 A current rating and operates with a 24 VDC coil. Key electrical parameters include a coil resistance of 6.3 Ohms, a coil current of 3 A, and a coil power consumption of 91.4 W. The component utilizes a DM (Direct Mount) configuration to facilitate integration into compact sub-systems.

Feature Summary

• High-current switching capability rated at 250 Amperes for robust power management
• Single Pole Single Throw Normally Open (SPST-NO) configuration for precise circuit control
• Direct Mount (DM) design optimized for space-constrained military and aerospace installations

Applications

• Military aircraft power distribution systems
• Defense vehicle electrical architectures
• Marine propulsion control circuits

Procurement Notes

Verify the specific datasheet for the 1618414-5 or its equivalent K250H024EAJA to confirm mechanical dimensions and mounting requirements. Ensure compatibility with existing 24 VDC control logic. Check for any recent product change notices that may affect form, fit, or function before finalizing procurement orders.

Selection Notes

Select this contactor when a 250 A switching capacity is required in a direct-mount package. The 24 VDC coil specification must match the available control voltage source. Consider the 91.4 W power dissipation for thermal management planning within the enclosure. Verify that the SPST-NO operation aligns with the system's safety and logic requirements.

Part Context

This component belongs to TE Connectivity’s high-power contactor portfolio for Aerospace, Defense, and Marine sectors. These relays are engineered for high reliability in harsh environments, offering lightweight solutions compared to traditional electromechanical alternatives. The series supports critical mission-critical sub-systems requiring durable power switching.

Replacement Considerations

The part number K250H024EAJA is identified as an associated identifier for this contactor. Verify if K250H024EAJA represents a full functional substitute or a specific variant by consulting the official manufacturer documentation. Do not assume interchangeability without confirming mechanical and electrical specifications.