Acquire

Control Relay

Control relays isolate a control circuit from what it switches, letting a low-power signal command a separate circuit while keeping the two electrically apart. Panel builders drop one in when a controller output cannot drive a load directly, when a failed relay has left an output stuck, or when a circuit needs its contacts multiplied so one signal can switch several things at once.
 
As an authorized electrical distributor for multiple manufacturers, we stock control relays from ABB, Carlo Gavazzi and more across competing lines, in a range of base types, body materials and amperage ratings, so you can match the base and socket a panel already carries, compare base types and analog outputs across brands, and keep a controller output clear of the load. Same-day shipping on in-stock items ordered before 2pm local time.
802 items
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Siemens 3RH21221AP60 SIRIUS Contactor Relay
SKU #:2287584
Part Number #:3RH21221AP60
Price:
$88.46 / EA
Typical price:$193.50 / EA
Siemens 3RH21221BF40 SIRIUS Contactor Relay
SKU #:2313557
Part Number #:3RH21221BF40
Price:
$101.94 / EA
Typical price:$223.00 / EA
Siemens 3RH21221BG40 SIRIUS Contactor Relay
SKU #:2353563
Part Number #:3RH21221BG40
Price:
$113.37 / EA
Typical price:$248.00 / EA
Siemens 3RH21222AK60 SIRIUS Contactor Relay
SKU #:2321237
Part Number #:3RH21222AK60
Price:
$88.46 / EA
Typical price:$193.50 / EA
Siemens 3RH21311AP60 SIRIUS Contactor Relay
SKU #:2254611
Part Number #:3RH21311AP60
Price:
$88.46 / EA
Typical price:$193.50 / EA
Siemens 3RH21311BF40 SIRIUS Contactor Relay
SKU #:2313555
Part Number #:3RH21311BF40
Coil Voltage: 110 V DC
Contact Form: 3NO-1NC 3 Form A/1 Form B
Contact Rating: A600/Q600
Price:
$101.94 / EA
Typical price:$223.00 / EA
Siemens 3RH21311BM40 SIRIUS Contactor Relay
SKU #:2313556
Part Number #:3RH21311BM40
Price:
$101.94 / EA
Typical price:$223.00 / EA
Siemens 3RH21311JB40 SIRIUS Contactor Relay
SKU #:2335334
Part Number #:3RH21311JB40
Price:
$118.40 / EA
Typical price:$259.00 / EA
Siemens 3RH21312AK60 SIRIUS Contactor Relay
SKU #:2276595
Part Number #:3RH21312AK60
Price:
$88.46 / EA
Typical price:$193.50 / EA
Siemens 3RH21312BB40 SIRIUS Contactor Relay
SKU #:2258451
Part Number #:3RH21312BB40
Price:
$101.94 / EA
Typical price:$223.00 / EA
Siemens 3RH21312JB40
SKU #:2450536
Part Number #:3RH21312JB40
Price:
$118.40 / EA
Typical price:$259.00 / EA
Siemens 3RH21401AB00 SIRIUS Contactor Relay
SKU #:2313546
Part Number #:3RH21401AB00
Price:
$88.46 / EA
Typical price:$193.50 / EA
Siemens 3RH21401HB40 Sirius Coupling Contactor Relay
SKU #:2437710
Part Number #:3RH21401HB40
Contact Rating: 10/1 A at 230/690 V AC, 10/0.15 A at 24/600 V DC
Price:
$101.94 / EA
Typical price:$223.00 / EA
Siemens 3RH21401JB40 SIRIUS Coupling Contactor Relay
Price:
$118.40 / EA
Typical price:$259.00 / EA
Siemens 3RH21402AK60 SIRIUS Contactor Relay
SKU #:2305040
Part Number #:3RH21402AK60
Price:
$88.46 / EA
Typical price:$193.50 / EA
Siemens 3RH21402FB40 SIRIUS Contactor Relay
SKU #:2370608
Part Number #:3RH21402FB40
Price:
$118.40 / EA
Typical price:$259.00 / EA
Siemens 3RH22441AK60 SIRIUS Contactor Relay
SKU #:2298208
Part Number #:3RH22441AK60
Price:
$144.91 / EA
Typical price:$317.00 / EA
Siemens 3RH22441BB40 SIRIUS Contactor Relay
SKU #:2285952
Part Number #:3RH22441BB40
Price:
$156.80 / EA
Typical price:$343.00 / EA
Siemens 3RH22442BB40 SIRIUS Contactor Relay
SKU #:2377170
Part Number #:3RH22442BB40
Price:
$156.80 / EA
Typical price:$343.00 / EA
Siemens 3RH22444BG40 Contactor Relay, 4NO-4NC Contact, 125 VDC V Coil
SKU #:2436022
Part Number #:3RH22444BG40
Coil Voltage: 125 V DC
Contact Form: 4NO-4NC 4 Form C
Contact Rating: A600/Q600
Price:
$191.54 / EA
Typical price:$419.00 / EA
Siemens 3RH22621BB40 SIRIUS Contactor Relay
SKU #:2249664
Part Number #:3RH22621BB40
Price:
$156.80 / EA
Typical price:$343.00 / EA
Siemens 3RH22711BB40 SIRIUS Contactor Relay
SKU #:2315379
Part Number #:3RH22711BB40
Price:
$156.80 / EA
Typical price:$343.00 / EA
Siemens 3RQ30181AB00
SKU #:2320826
Part Number #:3RQ30181AB00
Dimensions: 93 mm H x 6.2 mm W x 72.5 mm D
Specifications: 24 V AC/DC, 6 A
Suitable For Use With: 3RQ3 Series Coupling Relay
Price:
$391.00 / 5EA
Typical price:$595.00 / EA
Siemens 3RQ30181AB01 SIRIUS Coupling Relay
SKU #:2354408
Part Number #:3RQ30181AB01
Contact Rating: 0.1/1 A at 24/250 V DC
Price:
$433.70 / 5EA
Typical price:$660.00 / EA
Siemens 3RQ30181AE00 SIRIUS Output Coupler
SKU #:2380312
Part Number #:3RQ30181AE00
Specifications: 115 V AC/DC, 50/60 Hz, 1CO Contact Configuration, LED Green Display, Snap-On Mount, Screw Terminal
Price:
$359.80 / 5EA
Typical price:$547.50 / EA
Siemens 3RQ30182AB01
SKU #:2453016
Part Number #:3RQ30182AB01
Coil Voltage: 24 V AC/DC
Contact Form: 1CO 1 Form C
Contact Rating: 6 A
Price:
$433.70 / 5EA
Typical price:$660.00 / EA
Siemens 3RQ30182AM080AA0 Narrow Design Coupling Relay With Relay Output
Price:
$302.30 / 5EA
Typical price:$460.00 / EA
Siemens 3RQ30381AB00
SKU #:2352256
Part Number #:3RQ30381AB00
Specifications: 24 V AC/DC, 50/60 Hz, 1CO Contact Configuration, LED Green Display, Snap-On Mount, Screw Terminal
Siemens 3RQ30551SM30
SKU #:2383535
Part Number #:3RQ30551SM30
Fast Delivery Est.Nov 3 - Nov 7
Ships Same Day
Only 1 left in stock order soon
Amperage Rating: 5 mA to 5 A
Contact Rating: 5 A at 30 V DC
Frequency Rating: 100 Hz
Siemens 3RQ31181AB00
SKU #:2384471
Part Number #:3RQ31181AB00
Fast Delivery Est.Nov 3 - Nov 7
Ships Same Day
Only 3 left in stock order soon
Specifications: 24 V AC/DC, 50/60 Hz, 1CO Contact Configuration, LED Green Display, Snap-On Mount, Screw Terminal
Price:
$290.80 / 5EA
Typical price:$442.50 / EA
Siemens 3RQ31181AM01 SIRIUS Coupling Relay
SKU #:2352280
Part Number #:3RQ31181AM01
Dimensions: 93 mm H x 6.2 mm W x 76 mm D
Price:
$317.05 / 5EA
Typical price:$482.50 / EA
Siemens 3RQ40181AB00
SKU #:2456908
Part Number #:3RQ40181AB00
Specifications: 24 V AC/DC
Type: Coupler
Price:
$716.30 / 10EA
Typical price:$1090.00 / EA
Siemens 3RH21221AP60 SIRIUS Contactor Relay
SKU #:2287584
Part Number #:3RH21221AP60
Price:
$88.46 / EA
Typical price:$193.50 / EA
Siemens 3RH21221BF40 SIRIUS Contactor Relay
SKU #:2313557
Part Number #:3RH21221BF40
Price:
$101.94 / EA
Typical price:$223.00 / EA
Siemens 3RH21221BG40 SIRIUS Contactor Relay
SKU #:2353563
Part Number #:3RH21221BG40
Price:
$113.37 / EA
Typical price:$248.00 / EA
Siemens 3RH21222AK60 SIRIUS Contactor Relay
SKU #:2321237
Part Number #:3RH21222AK60
Price:
$88.46 / EA
Typical price:$193.50 / EA
Siemens 3RH21311AP60 SIRIUS Contactor Relay
SKU #:2254611
Part Number #:3RH21311AP60
Price:
$88.46 / EA
Typical price:$193.50 / EA
Siemens 3RH21311BF40 SIRIUS Contactor Relay
SKU #:2313555
Part Number #:3RH21311BF40
Coil Voltage: 110 V DC
Contact Form: 3NO-1NC 3 Form A/1 Form B
Contact Rating: A600/Q600
Price:
$101.94 / EA
Typical price:$223.00 / EA
Siemens 3RH21311BM40 SIRIUS Contactor Relay
SKU #:2313556
Part Number #:3RH21311BM40
Price:
$101.94 / EA
Typical price:$223.00 / EA
Siemens 3RH21311JB40 SIRIUS Contactor Relay
SKU #:2335334
Part Number #:3RH21311JB40
Price:
$118.40 / EA
Typical price:$259.00 / EA
Siemens 3RH21312AK60 SIRIUS Contactor Relay
SKU #:2276595
Part Number #:3RH21312AK60
Price:
$88.46 / EA
Typical price:$193.50 / EA
Siemens 3RH21312BB40 SIRIUS Contactor Relay
SKU #:2258451
Part Number #:3RH21312BB40
Price:
$101.94 / EA
Typical price:$223.00 / EA
Siemens 3RH21312JB40
SKU #:2450536
Part Number #:3RH21312JB40
Price:
$118.40 / EA
Typical price:$259.00 / EA
Siemens 3RH21401AB00 SIRIUS Contactor Relay
SKU #:2313546
Part Number #:3RH21401AB00
Price:
$88.46 / EA
Typical price:$193.50 / EA
Siemens 3RH21401HB40 Sirius Coupling Contactor Relay
SKU #:2437710
Part Number #:3RH21401HB40
Contact Rating: 10/1 A at 230/690 V AC, 10/0.15 A at 24/600 V DC
Price:
$101.94 / EA
Typical price:$223.00 / EA
Siemens 3RH21401JB40 SIRIUS Coupling Contactor Relay
Price:
$118.40 / EA
Typical price:$259.00 / EA
Siemens 3RH21402AK60 SIRIUS Contactor Relay
SKU #:2305040
Part Number #:3RH21402AK60
Price:
$88.46 / EA
Typical price:$193.50 / EA
Siemens 3RH21402FB40 SIRIUS Contactor Relay
SKU #:2370608
Part Number #:3RH21402FB40
Price:
$118.40 / EA
Typical price:$259.00 / EA
Siemens 3RH22441AK60 SIRIUS Contactor Relay
SKU #:2298208
Part Number #:3RH22441AK60
Price:
$144.91 / EA
Typical price:$317.00 / EA
Siemens 3RH22441BB40 SIRIUS Contactor Relay
SKU #:2285952
Part Number #:3RH22441BB40
Price:
$156.80 / EA
Typical price:$343.00 / EA
Siemens 3RH22442BB40 SIRIUS Contactor Relay
SKU #:2377170
Part Number #:3RH22442BB40
Price:
$156.80 / EA
Typical price:$343.00 / EA
Siemens 3RH22444BG40 Contactor Relay, 4NO-4NC Contact, 125 VDC V Coil
SKU #:2436022
Part Number #:3RH22444BG40
Coil Voltage: 125 V DC
Contact Form: 4NO-4NC 4 Form C
Contact Rating: A600/Q600
Price:
$191.54 / EA
Typical price:$419.00 / EA
Siemens 3RH22621BB40 SIRIUS Contactor Relay
SKU #:2249664
Part Number #:3RH22621BB40
Price:
$156.80 / EA
Typical price:$343.00 / EA
Siemens 3RH22711BB40 SIRIUS Contactor Relay
SKU #:2315379
Part Number #:3RH22711BB40
Price:
$156.80 / EA
Typical price:$343.00 / EA
Siemens 3RQ30181AB00
SKU #:2320826
Part Number #:3RQ30181AB00
Dimensions: 93 mm H x 6.2 mm W x 72.5 mm D
Specifications: 24 V AC/DC, 6 A
Suitable For Use With: 3RQ3 Series Coupling Relay
Price:
$391.00 / 5EA
Typical price:$595.00 / EA
Siemens 3RQ30181AB01 SIRIUS Coupling Relay
SKU #:2354408
Part Number #:3RQ30181AB01
Contact Rating: 0.1/1 A at 24/250 V DC
Price:
$433.70 / 5EA
Typical price:$660.00 / EA
Siemens 3RQ30181AE00 SIRIUS Output Coupler
SKU #:2380312
Part Number #:3RQ30181AE00
Specifications: 115 V AC/DC, 50/60 Hz, 1CO Contact Configuration, LED Green Display, Snap-On Mount, Screw Terminal
Price:
$359.80 / 5EA
Typical price:$547.50 / EA
Siemens 3RQ30182AB01
SKU #:2453016
Part Number #:3RQ30182AB01
Coil Voltage: 24 V AC/DC
Contact Form: 1CO 1 Form C
Contact Rating: 6 A
Price:
$433.70 / 5EA
Typical price:$660.00 / EA
Siemens 3RQ30182AM080AA0 Narrow Design Coupling Relay With Relay Output
Price:
$302.30 / 5EA
Typical price:$460.00 / EA
Siemens 3RQ30381AB00
SKU #:2352256
Part Number #:3RQ30381AB00
Specifications: 24 V AC/DC, 50/60 Hz, 1CO Contact Configuration, LED Green Display, Snap-On Mount, Screw Terminal
Siemens 3RQ30551SM30
SKU #:2383535
Part Number #:3RQ30551SM30
Fast Delivery Est.Nov 3 - Nov 7
Ships Same Day
Only 1 left in stock order soon
Amperage Rating: 5 mA to 5 A
Contact Rating: 5 A at 30 V DC
Frequency Rating: 100 Hz
Siemens 3RQ31181AB00
SKU #:2384471
Part Number #:3RQ31181AB00
Fast Delivery Est.Nov 3 - Nov 7
Ships Same Day
Only 3 left in stock order soon
Specifications: 24 V AC/DC, 50/60 Hz, 1CO Contact Configuration, LED Green Display, Snap-On Mount, Screw Terminal
Price:
$290.80 / 5EA
Typical price:$442.50 / EA
Siemens 3RQ31181AM01 SIRIUS Coupling Relay
SKU #:2352280
Part Number #:3RQ31181AM01
Dimensions: 93 mm H x 6.2 mm W x 76 mm D
Price:
$317.05 / 5EA
Typical price:$482.50 / EA
Siemens 3RQ40181AB00
SKU #:2456908
Part Number #:3RQ40181AB00
Specifications: 24 V AC/DC
Type: Coupler
Price:
$716.30 / 10EA
Typical price:$1090.00 / EA