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099018 - Miller 24VDC SPDT PCB Mount Relay 5A/120VAC

Packaging: 1 PER EA
$49.47/EA $34.71/1 PER EA only $34.71/EASave 30%

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OVERVIEW

Restore Your Welder with the Miller 099018 Relay

Is your Miller welder acting up? Electrical issues in welding machines can often be traced back to a small but crucial component: the relay. The Miller 099018 Relay is a genuine replacement part designed to get your machine back up and running smoothly. Relays act as the switches for your welder's internal brain, controlling various functions like gas flow, wire feed activation, or power output engagement. When a relay fails, it can cause intermittent issues or complete loss of specific functions, bringing your fabrication work to a halt.

This particular relay is a 24V DC SPDT (Single Pole Double Throw) unit. This means it operates on a 24-volt direct current signal from your welder's control board and can switch a circuit between two positions. It is rated to handle up to 5 Amps at 120 Volts AC. Physically, it is designed for "PC Mtg" or Printed Circuit Mounting, featuring 5 pins that fit directly into the circuit board. If you are comfortable with board-level repairs or are a qualified technician, this direct replacement part ensures you don't have to replace an entire expensive control board just because of a single stuck or burnt-out relay.

Why choose the genuine Miller 099018?

  • Exact Fit: The pin spacing and physical dimensions are identical to the original, ensuring it snaps right into the board layout without modification.
  • Correct Specs: Using a generic relay with the wrong coil resistance or contact rating can damage your welder's control board. This OEM part matches the electrical requirements perfectly.
  • Durability: The enclosed design protects the switching mechanism from the grime and metal dust typical in a welder's environment.

Don't let a small electrical component stop your production. Verify your machine's parts manual calls for part number 099018, and swap out that faulty relay to restore the reliability and performance you expect from your Miller equipment.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Component Type:Relay
Coil Voltage:24V DC
Contact Rating:5A @ 120V AC
Configuration:SPDT (Single Pole Double Throw)
Mounting Style:5-Pin PC Mount
Enclosure Type:Enclosed

INCLUDED

  • 1 x Miller 099018 Relay (24VDC SPDT)

APPLICATIONS

  • Replacement of faulty control relays in Miller welding power sources
  • Repair of printed circuit boards (PCBs) in industrial equipment
  • Switching auxiliary circuits in 24VDC control systems
  • Maintenance of Miller wire feeders and TIG machines requiring SPDT logic switching

FAQ

The coil voltage for this relay is 24V DC.

This relay has 5 pins designed for PC (Printed Circuit) board mounting.

The contacts are rated for 5 Amps at 120V AC.

SPDT stands for Single Pole Double Throw, meaning the relay has one common terminal that switches between two other terminals (normally open and normally closed).

You should check your machine's owner's manual or parts list for the specific part number 099018. You can also verify using your machine's serial number on the Miller website.

This is a PC mount relay, which typically requires soldering onto a circuit board, unless the board is equipped with a specific socket.

While possible, it is highly recommended to use the genuine Miller part to ensure the pin layout, coil resistance, and physical size match exactly to prevent damage to your board.

Symptoms can include a function not activating (like gas or wire feed), a clicking sound without action, or the machine behaving erratically. A multimeter is needed to properly test a relay.