Model # 93940

Internet #202948551

VIAIR 40 Amp Relay
0818114009402

VIAIR

40 Amp Relay

$395 /box

Frequently Bought Together

Product Overview

For use with all 12-Volt compressors. Relays works with compressors that fill air tanks by utilizing a pressure switch. The relay acts as a buffer between the compressor and the pressure switch which can burn out prematurely from experiencing full amp draw of a compressor.

California residents: see   Proposition 65 information

  • A tab molded into the relay case provides a secure point to attach the relay to a mounting point to protect electrical connections
  • 4-prong relay allows a 12-Volt item to be switched on and off when provided with power
  • Always use a relay with any 12-Volt-powered item that is hard-wired into your vehicles electrical system
  • Rated to a maximum amperage of 40 Amp
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Specifications

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Customer Questions & Answers

Pre wired cable

Does it come with a pre-wired cable for the Bosch type five terminal?
Asked by: Rick
No just relay
Answered by: JB
Date published: 2016-12-20
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Customer Reviews

40 Amp Relay is rated 5.0 out of 5 by 4.
Rated 5 out of 5 by from It works Turning on and off like its supposed to. Not sure else to say
Date published: 2017-05-16
Rated 5 out of 5 by from This is the fourth review of the same purcahse that Home Depot has requested It was worth what I paid for it. I keep saying that but Home Depot keeps asking for my review on it. Do they do that with every product that they sell. Does anyone ever read these ?
Date published: 2016-07-26
Rated 5 out of 5 by from Came as described at a much cheaper cost than from auto parts stores Came as described at a much cheaper cost than from auto parts stores
Date published: 2016-12-20
Rated 5 out of 5 by from Works great Great product and great price. I use it for my 12V solar water pump, which only pulls 15 amps. So it can be used for things other than as advertised. It's only been in operation about a week. I just hope in a year I'm still raving about it and it hasn't died, like some cheap electrical components do. The wiring diagram is printed right on it - nice touch!
Date published: 2013-06-19
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