12V 30 40A SPDT Bosch Style Automotive Relays & 5 Wire Socket Harness (1/Pack)
12V 30 40A SPDT Bosch Style Automotive Relays & 5 Wire Socket Harness (1/Pack)
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The Wires Zone

12V 30 40A SPDT Bosch Style Automotive Relays & 5 Wire Socket Harness (1/Pack)

Key item features

  • Voltage and Amperage: 12 Volt 30/40 amp 5-prong relays
  • Switching Capability: Capable of either switching a circuit on (40 amps max) or off (30 amps max)
  • Versatile Applications: Relays and sockets are used for many car electronic applications to turn on/off almost any device
  • Heavy Amperage Devices: Used when a device draws heavy amperage such as car alarms, remote starts, HID headlights, pop doors, trunk releases, strobe lights, fog lights, stereos, fans, air horns, and much more
  • Package Contents: Package of 1 Relay and 1 Harness
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Current price is $9.95
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4.6 out of 5 stars
stars10 ratings5 reviews
How item rating is calculated
  1. 5 stars70% (7)
  2. 4 stars20% (2)
  3. 3 stars10% (1)
  4. 2 stars0% (0)
  5. 1 star0% (0)
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Showing 1-3 of 5 reviews

Oct 3, 2025
CScotty
Sold and shipped byThe Wires Zone
5 out of 5 stars review

Verified Purchase

Good Value relay

Fit and form replacement for faulty relay in Coachman RV slide out circuit.

Incentivized Review
Helpful?69YXDFU5H3T0688083643
Dec 12, 2024
JerseySkeeter
Sold and shipped byThe Wires Zone
5 out of 5 stars review

Verified Purchase

Worked Great

Quick delivery Product as advertised. Right to my door who could ask for more. God Bless this Christmas season

Incentivized Review
Helpful?69YXDFU5H3T0688083643
Dec 14, 2017
Walmart customer
5 out of 5 stars review

Good quality at a low price

Using these in a high-current power supply to switch current sense resistors. Lowest price found for a comparable product (even those without the socket and wires), fast delivery, and good (at least OEM) quality. The only problem I found was that the wire crimps in the socket were a bit light, but this was remedied by removing and soldering those connections. Contact resistance measured (at the relay prongs) 6 mOhms, and the coil draws 140 mA. @ 12 V. 5 stars overall !

Helpful?69YXDFU5H3T0688083643