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2-Pack 644 4H0951253 4RA007791-20 Automotive Relay - 40A 12VDC 4-Pin SPST Low-Heat Design - Compatible with Select Vehicle Systems - for Engine Bay & Industrial Use

KWD 5
KWD 6

Brand
Sonzrod
1 +

Special Features

  • Energy-Efficient Operation – 640mW low-power coil design reduces heat generation and battery drain, ideal for electric vehicles and fuel-sensitive applications
  • Enhanced Load Management – 40A peak / 30A continuous capacity with silver alloy contacts for stable control of fuel pumps, HVAC fans, and auxiliary lighting
  • Multi-Industry Compatibility – Direct replacement for OEM relays in automotive systems and industrial equipment (verify model fitment). SPST design matches standard 4-pin layouts
  • Compact & Robust Construction – 15.7mm x 12.3mm resin-sealed housing withstands -40°C to 125°C temperatures and harsh environments (dust, moisture, vibration)
  • Single-Unit Reliability – RoHS-compliant and ISO-certified with traceable lot codes. Easy blade terminal installation for tool-free repairs

Description

Precision Power Control for Demanding Applications
The 644 4H0951253 SPST Automotive Relay combines compact engineering with industrial-grade durability. Designed for modern vehicles and machinery, its low-heat, energy-efficient design (640mW coil power) minimizes energy loss, making it suitable for electric vehicles and battery-sensitive systems .

Key Features:

40A High-Current Capacity: Handles resistive loads up to 30A continuous, ensuring reliable operation for headlights, fuel pumps, and HVAC systems.

Extended Environmental Resistance: IP67-rated housing protects against dust, water ingress, and extreme temperatures (-40°C to 125°C) .

RoHS & ISO Compliance: Meets global safety and environmental standards for automotive and industrial use.

Applications:

Automotive: Fixes electrical failures in engine bays, including starter circuits and wiper systems.

Industrial: Controls motors, pumps, and HVAC units in automation setups or heavy machinery.

Retrofitting: Upgrades legacy systems without modifying original wiring harnesses.

Note: Always confirm compatibility with your vehicle's service manual. Not affiliated with any automotive manufacturers.

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