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Power Relay

Power relays switch real load rather than signals, using a low-power coil to make and break currents that would destroy a general purpose relay's contacts. Panels call for them when a plug-in relay has burnt out under a load too big for it, when a full contactor would be oversized and wasteful for the duty, or when a socket-mounted device has to carry more current than sockets usually see.
 
As an authorized electrical distributor for multiple manufacturers, we stock power relays from IDEC, Finder and more across competing lines, in a range of coil voltages, base types and contact configurations, so you can match the coil voltage and base the panel supplies, compare contact configurations and amperage ratings across brands, and switch a load without oversizing to a contactor. Same-day shipping on in-stock items ordered before 2pm local time.
209 items
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IDEC RH1B-ULD-DC24V Power Relay
SKU #:2237022
Part Number #:RH1B-ULD-DC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 14 mm W
Price:
$14.52 / EA
Typical price:$17.60 / EA
IDEC RH1B-ULDC12V Power Relay
SKU #:2257024
Part Number #:RH1B-ULDC12V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 14 mm W
Price:
$12.14 / EA
Typical price:$14.72 / EA
IDEC RH1B-ULDC24V Power Relay
SKU #:1027826
Part Number #:RH1B-ULDC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 14 mm W
Price:
$12.14 / EA
Typical price:$14.72 / EA
IDEC RH1B-UTDC12V Power Relay
SKU #:2391200
Part Number #:RH1B-UTDC12V
Price:
$10.04 / EA
Typical price:$12.17 / EA
IDEC RH2B-UAC110-120V Power Relay
SKU #:354970
Part Number #:RH2B-UAC110-120V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
540 In Stock
Dimensions: 35.6 mm H x 27.5 mm W x 21 mm D
Terminal Type: Plug-In/Blade
Type: Compact Electromechanical
Price:
$10.34 / EA
Typical price:$12.79 / EA
IDEC RH2B-UAC12V Power Relay
SKU #:2250325
Part Number #:RH2B-UAC12V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$10.55 / EA
Typical price:$12.79 / EA
IDEC RH2B-UAC220-240V Idec Power Relay
SKU #:2432319
Part Number #:RH2B-UAC220-240V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$12.14 / EA
Typical price:$14.72 / EA
IDEC RH2B-UAC24V Power Relay
SKU #:2179819
Part Number #:RH2B-UAC24V
Dimensions: 35.6 mm H x 27.5 mm W x 21 mm D
Terminal Type: Plug-In/Blade
Type: Compact Electromechanical
Price:
$10.55 / EA
Typical price:$12.79 / EA
IDEC RH2B-UDC12V Power Relay
SKU #:18979
Part Number #:RH2B-UDC12V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
209 In Stock
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$9.95 / EA
Typical price:$12.06 / EA
IDEC RH2B-UDC24V Power Relay
SKU #:348469
Part Number #:RH2B-UDC24V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
37 In Stock
Dimensions: 35.6 mm H x 27.5 mm W x 21 mm D
Terminal Type: Plug-In/Blade
Type: Compact Electromechanical
Price:
$9.95 / EA
Typical price:$12.06 / EA
IDEC RH2B-ULAC110-120V Power Relay
SKU #:351356
Part Number #:RH2B-ULAC110-120V
Dimensions: 35.6 mm H x 27.5 mm W x 21 mm D
Terminal Type: Plug-In/Blade
Type: Compact Electromechanical
Price:
$13.35 / EA
Typical price:$16.18 / EA
IDEC RH2B-ULAC24V Power Relay
SKU #:18980
Part Number #:RH2B-ULAC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$13.35 / EA
Typical price:$16.18 / EA
IDEC RH2B-ULCAC110-120V Power Relay
SKU #:834777
Part Number #:RH2B-ULCAC110-120V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
182 In Stock
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$14.76 / EA
Typical price:$17.89 / EA
IDEC RH2B-ULCAC24V Power Relay
SKU #:2347120
Part Number #:RH2B-ULCAC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$14.76 / EA
Typical price:$17.89 / EA
IDEC RH2B-ULCDC12V Power Relay
SKU #:2408406
Part Number #:RH2B-ULCDC12V
Price:
$14.16 / EA
Typical price:$17.17 / EA
IDEC RH2B-ULCDC24V Power Relay
SKU #:2121662
Part Number #:RH2B-ULCDC24V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
384 In Stock
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$13.88 / EA
Typical price:$17.17 / EA
IDEC RH2B-ULD-DC24V Power Relay
SKU #:2309719
Part Number #:RH2B-ULD-DC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$15.12 / EA
Typical price:$18.33 / EA
IDEC RH2B-ULDC12V Power Relay
SKU #:2272009
Part Number #:RH2B-ULDC12V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$12.76 / EA
Typical price:$15.47 / EA
IDEC RH2B-ULDC24V Power Relay
SKU #:351098
Part Number #:RH2B-ULDC24V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
30 In Stock
Dimensions: 35.6 mm H x 27.5 mm W x 21 mm D
Terminal Type: Plug-In/Blade
Type: Compact Electromechanical
Price:
$12.76 / EA
Typical price:$15.47 / EA
IDEC RH2B-UTAC110-120V Idec Power Relay
SKU #:2396645
Part Number #:RH2B-UTAC110-120V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Mounting type: Top Bracket
Price:
$11.26 / EA
Typical price:$13.65 / EA
IDEC RH3B-UAC120V Power Relay
SKU #:357276
Part Number #:RH3B-UAC120V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
358 In Stock
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$12.77 / EA
Typical price:$16.30 / EA
IDEC RH3B-UAC24V Power Relay
SKU #:2289666
Part Number #:RH3B-UAC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$13.45 / EA
Typical price:$16.30 / EA
IDEC RH3B-UCAC240V Power Relay
SKU #:2409161
Part Number #:RH3B-UCAC240V
Price:
$16.22 / EA
Typical price:$19.66 / EA
IDEC RH3B-UDC24V Power Relay
SKU #:2203342
Part Number #:RH3B-UDC24V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
33 In Stock
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$12.85 / EA
Typical price:$15.57 / EA
IDEC RH3B-ULAC120V Power Relay
SKU #:935484
Part Number #:RH3B-ULAC120V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$16.25 / EA
Typical price:$19.70 / EA
IDEC RH3B-ULAC24V Power Relay
SKU #:2213077
Part Number #:RH3B-ULAC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$16.25 / EA
Typical price:$19.70 / EA
IDEC RH3B-ULCAC120V Power Relay
SKU #:993997
Part Number #:RH3B-ULCAC120V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
56 In Stock
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$17.65 / EA
Typical price:$21.39 / EA
IDEC RH3B-ULCDC24V Power Relay
SKU #:993998
Part Number #:RH3B-ULCDC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$17.05 / EA
Typical price:$20.67 / EA
IDEC RH3B-ULDC24V Power Relay
SKU #:935487
Part Number #:RH3B-ULDC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$15.64 / EA
Typical price:$18.96 / EA
IDEC RH4B-UAC120V Power Relay
SKU #:355055
Part Number #:RH4B-UAC120V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 41 mm W
Price:
$16.51 / EA
Typical price:$20.01 / EA
IDEC RH4B-UAC24V Power Relay
SKU #:2179648
Part Number #:RH4B-UAC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 41 mm W
Price:
$16.51 / EA
Typical price:$20.01 / EA
IDEC RH4B-UAC6V Power Relay
SKU #:2401955
Part Number #:RH4B-UAC6V
Price:
$16.51 / EA
Typical price:$20.01 / EA
IDEC RH1B-ULD-DC24V Power Relay
SKU #:2237022
Part Number #:RH1B-ULD-DC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 14 mm W
Price:
$14.52 / EA
Typical price:$17.60 / EA
IDEC RH1B-ULDC12V Power Relay
SKU #:2257024
Part Number #:RH1B-ULDC12V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 14 mm W
Price:
$12.14 / EA
Typical price:$14.72 / EA
IDEC RH1B-ULDC24V Power Relay
SKU #:1027826
Part Number #:RH1B-ULDC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 14 mm W
Price:
$12.14 / EA
Typical price:$14.72 / EA
IDEC RH1B-UTDC12V Power Relay
SKU #:2391200
Part Number #:RH1B-UTDC12V
Price:
$10.04 / EA
Typical price:$12.17 / EA
IDEC RH2B-UAC110-120V Power Relay
SKU #:354970
Part Number #:RH2B-UAC110-120V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
540 In Stock
Dimensions: 35.6 mm H x 27.5 mm W x 21 mm D
Terminal Type: Plug-In/Blade
Type: Compact Electromechanical
Price:
$10.34 / EA
Typical price:$12.79 / EA
IDEC RH2B-UAC12V Power Relay
SKU #:2250325
Part Number #:RH2B-UAC12V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$10.55 / EA
Typical price:$12.79 / EA
IDEC RH2B-UAC220-240V Idec Power Relay
SKU #:2432319
Part Number #:RH2B-UAC220-240V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$12.14 / EA
Typical price:$14.72 / EA
IDEC RH2B-UAC24V Power Relay
SKU #:2179819
Part Number #:RH2B-UAC24V
Dimensions: 35.6 mm H x 27.5 mm W x 21 mm D
Terminal Type: Plug-In/Blade
Type: Compact Electromechanical
Price:
$10.55 / EA
Typical price:$12.79 / EA
IDEC RH2B-UDC12V Power Relay
SKU #:18979
Part Number #:RH2B-UDC12V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
209 In Stock
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$9.95 / EA
Typical price:$12.06 / EA
IDEC RH2B-UDC24V Power Relay
SKU #:348469
Part Number #:RH2B-UDC24V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
37 In Stock
Dimensions: 35.6 mm H x 27.5 mm W x 21 mm D
Terminal Type: Plug-In/Blade
Type: Compact Electromechanical
Price:
$9.95 / EA
Typical price:$12.06 / EA
IDEC RH2B-ULAC110-120V Power Relay
SKU #:351356
Part Number #:RH2B-ULAC110-120V
Dimensions: 35.6 mm H x 27.5 mm W x 21 mm D
Terminal Type: Plug-In/Blade
Type: Compact Electromechanical
Price:
$13.35 / EA
Typical price:$16.18 / EA
IDEC RH2B-ULAC24V Power Relay
SKU #:18980
Part Number #:RH2B-ULAC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$13.35 / EA
Typical price:$16.18 / EA
IDEC RH2B-ULCAC110-120V Power Relay
SKU #:834777
Part Number #:RH2B-ULCAC110-120V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
182 In Stock
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$14.76 / EA
Typical price:$17.89 / EA
IDEC RH2B-ULCAC24V Power Relay
SKU #:2347120
Part Number #:RH2B-ULCAC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$14.76 / EA
Typical price:$17.89 / EA
IDEC RH2B-ULCDC12V Power Relay
SKU #:2408406
Part Number #:RH2B-ULCDC12V
Price:
$14.16 / EA
Typical price:$17.17 / EA
IDEC RH2B-ULCDC24V Power Relay
SKU #:2121662
Part Number #:RH2B-ULCDC24V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
384 In Stock
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$13.88 / EA
Typical price:$17.17 / EA
IDEC RH2B-ULD-DC24V Power Relay
SKU #:2309719
Part Number #:RH2B-ULD-DC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$15.12 / EA
Typical price:$18.33 / EA
IDEC RH2B-ULDC12V Power Relay
SKU #:2272009
Part Number #:RH2B-ULDC12V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Price:
$12.76 / EA
Typical price:$15.47 / EA
IDEC RH2B-ULDC24V Power Relay
SKU #:351098
Part Number #:RH2B-ULDC24V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
30 In Stock
Dimensions: 35.6 mm H x 27.5 mm W x 21 mm D
Terminal Type: Plug-In/Blade
Type: Compact Electromechanical
Price:
$12.76 / EA
Typical price:$15.47 / EA
IDEC RH2B-UTAC110-120V Idec Power Relay
SKU #:2396645
Part Number #:RH2B-UTAC110-120V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 21 mm W
Mounting type: Top Bracket
Price:
$11.26 / EA
Typical price:$13.65 / EA
IDEC RH3B-UAC120V Power Relay
SKU #:357276
Part Number #:RH3B-UAC120V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
358 In Stock
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$12.77 / EA
Typical price:$16.30 / EA
IDEC RH3B-UAC24V Power Relay
SKU #:2289666
Part Number #:RH3B-UAC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$13.45 / EA
Typical price:$16.30 / EA
IDEC RH3B-UCAC240V Power Relay
SKU #:2409161
Part Number #:RH3B-UCAC240V
Price:
$16.22 / EA
Typical price:$19.66 / EA
IDEC RH3B-UDC24V Power Relay
SKU #:2203342
Part Number #:RH3B-UDC24V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
33 In Stock
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$12.85 / EA
Typical price:$15.57 / EA
IDEC RH3B-ULAC120V Power Relay
SKU #:935484
Part Number #:RH3B-ULAC120V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$16.25 / EA
Typical price:$19.70 / EA
IDEC RH3B-ULAC24V Power Relay
SKU #:2213077
Part Number #:RH3B-ULAC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$16.25 / EA
Typical price:$19.70 / EA
IDEC RH3B-ULCAC120V Power Relay
SKU #:993997
Part Number #:RH3B-ULCAC120V
Fast Delivery Est.Nov 5 - Nov 9
Ships Same Day
56 In Stock
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$17.65 / EA
Typical price:$21.39 / EA
IDEC RH3B-ULCDC24V Power Relay
SKU #:993998
Part Number #:RH3B-ULCDC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$17.05 / EA
Typical price:$20.67 / EA
IDEC RH3B-ULDC24V Power Relay
SKU #:935487
Part Number #:RH3B-ULDC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 31 mm W
Price:
$15.64 / EA
Typical price:$18.96 / EA
IDEC RH4B-UAC120V Power Relay
SKU #:355055
Part Number #:RH4B-UAC120V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 41 mm W
Price:
$16.51 / EA
Typical price:$20.01 / EA
IDEC RH4B-UAC24V Power Relay
SKU #:2179648
Part Number #:RH4B-UAC24V
Contact Rating: 110/220 V AC/30 V DC
Dimensions: 27.5 mm H x 41 mm W
Price:
$16.51 / EA
Typical price:$20.01 / EA
IDEC RH4B-UAC6V Power Relay
SKU #:2401955
Part Number #:RH4B-UAC6V
Price:
$16.51 / EA
Typical price:$20.01 / EA