SPDT
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40A Changeover Relay
$4.99 (USD) Add to cart40A Changeover Relay
40A changeover 5 pin relay with a normally open (N.O.) and normally closed (N.C.) output.
These 12 volt automotive switching relays are the perfect solution for when standard switches can't handle a high-current load.
Easily control electric motors, pumps, fans, lights, and more.
$4.99 (USD) -
5-Pin Relay 40A with Socket
$4.99 – $9.99 (USD) Select options5-Pin Relay 40A with Socket
40/40A SPDT relay with a normally open (N.O.) and normally closed (N.C.) output. Great for cars, trucks, boats and more.
- HIGH-POWER CONTROL — 40 amp relays are the perfect solution for when standard switches can’t handle high-current loads
- INTERLOCKING RELAY SOCKETS lets you add or subtract any number of relays with ease
- GREAT QUALITY — Pre-wired relay harness with high-temperature color-coded GXL wire
$4.99 – $9.99 (USD) -
Bosch Style Relay Boxes SPDT – N.O./N.C.
$145.00 – $245.00 (USD) Select optionsBosch Style Relay Boxes SPDT – N.O./N.C.
MGI’s Bosch-style relay box is designed for advanced high-power wiring projects requiring both Normally Open (N.O.) and Normally Closed (N.C.) circuitry.
- Pre-wired with 4, 6, or 8 SPDT Bosch-style relays rated 40A
- Built-in smart LED fuses that glow when blown
- Comes with main feeder and main fuse
- Relay corresponding LEDs
- Designed for both N.O and N.C. high-current control
- RCP4 — 3 N.O. + 1 {N.O / N.C.} outputs
- RCP6 — 4 N.O. + 2 {N.O / N.C.} outputs
- RCP8 — 5 N.O. + 3 {N.O / N.C.} outputs
$145.00 – $245.00 (USD) -
LED Marine Rocker Switch SPDT 3-Way On/Off/On
$5.99 (USD) Select optionsLED Marine Rocker Switch SPDT 3-Way On/Off/On
ON/OFF/ON 3-way rockers allows for versatile use. Often referred to as “marine” switches, the waterproof switch face makes sure dust and moisture stay away from the illuminated LED. When it comes to electrical control, you won’t go wrong with a premium LED rocker.
- 4 pin SPDT with choice of maintained or momentary functionality
- Easy snap-in installation. Mounting hole 37.5mm x 21mm (1.475″ x 0.832″)
- Heavy-duty switch with waterproof LED. Rated 20A at 12vDC
- Replaceable switch face
$5.99 (USD) -
Metal Toggle Switch 3-Pin SPDT On/Off/On
$4.49 (USD) Select optionsMetal Toggle Switch 3-Pin SPDT On/Off/On
Our most popular 3-pin, 3-way On-Off-On switch with optional waterproof boot covers. Control most 12v automotive and 125v household electric devices with this 20A heavy-duty SPDT toggle switch.
- Classic On-Off-On switching — 3 pin SPDT functionality
- Easy installation with hex nut. Mounting hole: 1/2″ (12mm)
- Heavy-duty toggles rated 20A @ 12vDC || 20A @ 125vAC || 15A @ 250vAC
- Rubber boot covers rated CE and RoHs
$4.49 (USD) -
Relay Bank & Harness Kit
$30.00 – $60.00 (USD) Select optionsRelay Bank & Harness Kit
An MGI automotive relay harness set has proven to be a cost-effective, compact, and reliable solution for powering high-current electrical devices.
- Control automotive & marine 12v electrical accessories such as fans, pumps, and spotlights
- Reliable 12 volt 40 amp SPDT switching relays
- Easy-to-reset push button breakers
- High-temperature wire for all inputs and outputs
- Compact design allows for convenient placement
$30.00 – $60.00 (USD)