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General Purpose Plug-In Relays

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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 CO, 120 VAC)
$17.48 each
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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 NO, 120 VAC)
$15.81 each
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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 CO, 24 VAC)
$20.28 each
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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 NO, 24 VAC)
$16.82 each
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Product Image of 8 Pin General Purpose Relay w/ Screw Connection (600V)
$12.97 each
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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 NO, 230 VAC)
$19.59 each
In Stock
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Product Image of Plug In 8 Pin Relay, DPDT, Cylindrical Terminals (120V)
$48.99 each
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Product Image of Harmony Electromechanical Interface Plug-In Relay (8A, 2 CO, 120 VAC)
$7.56 each
Out of Stock
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Product Image of 24V 10A DPDT General Purpose Relay
24V 10A DPDT General Purpose Relay
SKU: 8501KPR12V14
Square D
SKU: 8501KPR12V14
Brand: Square D
$41.39 each
In Stock
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Product Image of Harmony Electromechanical Interface Plug-In Relay (8A, 2 CO, 24 VDC)
$6.77 each
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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 CO, 230 VAC)
$16.47 each
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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 NO, 12 VDC)
$19.99 each
Out of Stock
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Product Image of Harmony Electromechanical Interface Plug-In Relay (12A, 1 CO, 120 VAC)
$5.89 each
In Stock
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Product Image of Mini Plug In Power Relay, 4PDT (120/240V)
Mini Plug In Power Relay, 4PDT (120/240V)
SKU: 8501RS14V20
Square D
SKU: 8501RS14V20
Brand: Square D
$35.90 each
In Stock
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Product Image of Harmony Electromechanical Interface Plug-In Relay (12A, 1 CO, 240 VAC)
$5.18 each
Out of Stock
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Product Image of Plug In 8 Pin Relay, DPDT, Cylindrical Terminals, Pilot Light (120V)
$53.32 each
In Stock
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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 NO, 24 VDC)
$17.35 each
In Stock
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Product Image of Plug-In Relay, 2CO, 12A, LED, RXM2AB2F7
$7.14 each
Out of Stock
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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 CO, 24 VDC)
$19.25 each
In Stock
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Product Image of Plug-In Relay, 2CO, 10A, RUMC21F7
$11.63 each
Out of Stock
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Product Image of Harmony Electromechanical Interface Plug-In Relay, Pre-Assembled (8A, 2 CO w/ LED, 24 VDC)
$21.62 each
In Stock
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Product Image of Plug-In Relay, 2CO, 15A, LED, RPM22B7
$8.62 each
Out of Stock
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Product Image of Miniature Plug In Relay, 15A, 2 poles, Pilot Light (24V)
Miniature Plug In Relay, 15A, 2 poles, Pilot Light (24V)
SKU: 8501RS42P14V14
Square D
SKU: 8501RS42P14V14
Brand: Square D
$70.26 each
Backorder
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Product Image of Plug-In Relay, 15AA, LED, RPM22F7
$8.54 each
In Stock
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Product Image of Plug-In Relay, 4CO, 15A, LED, RPM42F7
$13.81 each
Out of Stock
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Product Image of Plug-In Relay, 10AA, RUZC2M
$4.02 each
In Stock
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Product Image of Relay, 16A, RPZF4
$8.45 each
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Product Image of 11 Pins, 600 VAC, 5, 10 and 15 Amp, Octal Relay Socket DIN Rail Mount, Panel Mount, 1 Tier, Screw Clamp Terminal, 8501NR61
$23.20 each
In Stock
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Product Image of Plug-In Relay, 3CO, 10A, LED, RUMC32F7
$14.26 each
In Stock
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Product Image of Plug-In Relay, 16AA, RPZF2
$6.38 each
Out of Stock
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Product Image of Plug-In Relay, 10AA, LED, RUMC22F7
$13.00 each
Out of Stock
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Product Image of Plug-In Relay, 10AA, RXZE2M114
$5.75 each
In Stock
Get 17 by Tue, Oct 13
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Product Image of Plug-In Relay, 2CO, 12A, LED, RXM2AB2B7
$7.14 each
Out of Stock
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Product Image of Plug-In Relay, 1CO, 15A, LED, RPM12B7
$6.58 each
Out of Stock
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Product Image of 1 hp at 240v & 1/2 hp at 120v, Electromechanical Plug-in General Purpose Relay 12 Amp at 240 VAC, SPDT, 120 VAC at 50/60 Hz, 8501RS41V20
$37.12 each
In Stock
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Product Image of Plug-In Relay, 1CO, 10A, LED, RXG12BD
$6.73 each
In Stock
Get 3 by Tue, Oct 13
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Product Image of Relay, 10A, RSZE1S48M
Relay, 10A, RSZE1S48M
SKU: RSZE1S48M
Schneider Electric
SKU: RSZE1S48M
$6.09 each
In Stock
Get 1 by Thu, Oct 15
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Product Image of Harmony Electromechanical Interface Plug-In Relay (8A, 2 CO, 12 VDC)
$6.05 each
In Stock
Get 4 by Tue, Oct 13
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Product Image of 725 Power Relay w/ LED Push Button, Blade term., DIN or Panel Mount (25A, 2 NO, 120 VAC)
$25.54 each
In Stock
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Product Image of Plug-In Relay, 1CO, 6A, RSL1AB4BD
$8.79 each
Out of Stock
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Product Image of Relay, 16A, RPZF3
$7.30 each
Out of Stock
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Product Image of Relay, RXZE2S108M
Relay, RXZE2S108M
SKU: RXZE2S108M
Schneider Electric
SKU: RXZE2S108M
$5.80 each
Out of Stock
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Product Image of 11 Pins, 1 hp at 277v & 1/3 hp at 120v, 3 VA , Octal Elec. Mech. Plug-in General Purpose Relay 10 Amp at 250 VAC, 3PDT, 120 VAC at 50/60 Hz 8501KPR13P14V20
$50.00 each
In Stock
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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 CO, 120 VDC)
$17.29 each
In Stock
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Product Image of Plug-In Relay, 2CO, 15A, LED, RPM22BD
$8.54 each
In Stock
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Product Image of Plug-In Relay, 1CO, 15A, LED, RPM12F7
$6.58 each
Out of Stock
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Product Image of Relay, 12A, RSZE1S35M
Relay, 12A, RSZE1S35M
SKU: RSZE1S35M
Schneider Electric
SKU: RSZE1S35M
$5.52 each
In Stock
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Product Image of Plug-In Relay, 4CO, 15A, LED, RPM42BD
$13.81 each
Out of Stock
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More About General Purpose Plug-In Relays
General purpose plug-in relays are compact, socket-mounted switching devices used to control electrical circuits in industrial, commercial, and residential applications. Designed for easy installation and replacement, plug-in relays mount directly into compatible relay sockets, eliminating the need for wire reconnection during maintenance or swap-outs - reducing downtime and simplifying troubleshooting. These relays are widely used in HVAC control panels, motor control circuits, lighting systems, building automation, and machine control applications. They operate by using a low-power input signal (the coil) to switch one or more higher-current output circuits (the contacts), making them essential components in electrical control systems where signal isolation and load switching are required. The plug-in form factor offers a significant advantage over hardwired relays in panel environments: faulty relays can be swapped in seconds without rewiring. This makes them the preferred choice for control panel builders and maintenance teams who need reliable, field-serviceable components.