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Schneider Electric (369)
Square D (38)

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3 (18)
5 (38)
6 (47)
8 (18)
10 (101)
12 (34)
15 (57)
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Blade (386)
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24V (5)
48 VAC (1)
48 VDC (1)
110v (1)
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120 VAC (6)

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$1 to $5 (28)
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$30 to $35 (10)
$35 to $40 (15)
$40 to $45 (12)

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)
$16.64 each
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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 NO, 120 VAC)
$15.07 each
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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 NO, 24 VAC)
$16.02 each
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Product Image of 8 Pin General Purpose Relay w/ Screw Connection (600V)
$11.47 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, 230 VAC)
$18.80 each
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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)
$7.50 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 Interface Plug-In Relay (8A, 2 CO, 24 VDC)
$6.77 each
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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 Power Relay, DIN Rail or Panel Mount (30A, 2 NO, 12 VDC)
$18.08 each
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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
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Product Image of Harmony Electromechanical Interface Plug-In Relay (12A, 1 CO, 120 VAC)
$5.90 each
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Product Image of Plug In 8 Pin Relay, DPDT, Cylindrical Terminals, Pilot Light (120V)
$53.32 each
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Product Image of Harmony Electromechanical Interface Plug-In Relay (12A, 1 CO, 240 VAC)
$5.12 each
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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 NO, 24 VDC)
$16.65 each
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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
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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
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Product Image of Harmony Electromechanical Interface Plug-In Relay (8A, 2 CO, 12 VDC)
$6.05 each
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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 CO, 24 VDC)
$19.25 each
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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
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Product Image of Harmony Electromechanical Power Relay, DIN Rail or Panel Mount (30A, 2 CO, 120 VDC)
$17.29 each
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Product Image of 8 Pins, 300 VAC, 10 Amp, Spade Relay Socket DIN Rail Mount, Panel Mount, Screw Clamp Terminal, 8501NR42
$36.00 each
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Product Image of Plug-In Relay, 2CO, 10A, LED, RUMC22B7
$13.02 each
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Product Image of 1/2 hp at 120v & 3/4 hp at 240v, Electromechanical Plug-in General Purpose Relay 10 Amp at 250 VAC, 4PDT, 120 VAC at 50/60 Hz, 8501RS44V20
$51.30 each
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Product Image of Plug-In Relay, 2CO, 10A, RUMC21F7
$11.63 each
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Product Image of Plug-In Relay, 10AA, RUZC2M
$4.02 each
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Product Image of Harmony Electromechanical Interface Plug-In Relay, Pre-Assembled (12A, 1 CO w/ LED, 24 VDC)
$20.63 each
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Product Image of 725 Power Relay w/ LED Push Button, Screw term., DIN or Panel Mount (25A, 2 NO, 24 VAC)
$22.69 each
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Product Image of Plug-In Relay, 3CO, 10A, RXM3AB1FD
$9.84 each
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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
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Product Image of Series 725 Power Relay w/ LED Push Button, Screw Terminals, DIN or Panel Mount (30A, 1 NO, 120 VAC)
$22.99 each
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Product Image of Relay, 10A, RSZE1S48M
Relay, 10A, RSZE1S48M
SKU: RSZE1S48M
Schneider Electric
SKU: RSZE1S48M
$6.15 each
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Product Image of Plug-In Relay, 2CO, 5A, LED, RXG23F7
$9.90 each
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Product Image of Electromechanical Plug-in General Purpose Relay 12 Amp at 240 VAC, SPDT, 24 VDC, 8501RSD41V53
$37.12 each
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Product Image of Electromechanical Plug-in General Purpose Relay 10 Amp at 240 VAC, DPDT, 24 VDC, 8501RSD42P14V53
$54.06 each
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Product Image of Plug-In Relay, 2CO, 10A, LED, RUMC22BD
$13.02 each
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Product Image of Relay, Harmony 8501K, DPDT, 2NO/2NC, 10A, LED, 8501KPDR12P14V53
$42.42 each
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Product Image of Plug-In Relay, 4CO, 6A, LED, RXM4AB2GD
$8.47 each
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Product Image of Relay, RXM021BN
Relay, RXM021BN
SKU: RXM021BN
Schneider Electric
SKU: RXM021BN
$2.21 each
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Product Image of 1/2 hp at 120v & 3/4 hp at 240v, Electromechanical Plug-in General Purpose Relay 10 Amp at 250 VAC, 3PDT, 24 VAC at 50/60 Hz, 8501RS43V14
$64.89 each
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Product Image of Plug-In Relay, 2CO, 5A, LED, RXG22B7PV
$26.43 each
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Product Image of Plug-In Relay, 3CO, 10A, LED, RXM3AB2JD
$8.23 each
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Product Image of Electromechanical Plug-in General Purpose Relay 10 Amp at 240 VAC, DPDT, 12 VDC, 8501RSD42V51
$48.98 each
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Product Image of Relay, 2CO, 12A, RXZE14P
$7.95 each
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Product Image of Plug-In Relay, Type KP, Tubular, 11-Pin, 3PDT, 3NO/3NC, 10A, 120 VAC Coil, 8501KPR13V20
$44.59 each
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Product Image of Plug-In Relay, 10AA, LED, RUMC22F7
$12.89 each
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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.