Square-d Contactors & protection relays Category

We have over 6,000 Square D products ranging from circuit breakers and soft starters to load centers, safety switches and VFDs. Shop today for Square D products!

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View Details Square D 8910DPA42V02 Definite Purpose Contactor Type DPA, 40A, 2-Poles, 110 VAC 50HZ, 120 VAC 60Hz | Blackhawk Supply
8910DPA42V02 | Definite Purpose Contactor Type DPA, 40A, 2-Poles, 110 VAC 50HZ, 120 VAC 60Hz | Square D
Brand: Square D
SKU: 8910DPA42V02
$87.41 each
View Details Square D 8910DPA34V02 Definite Purpose Contactor Type DPA, 30A, 4-Poles, 110 VAC 50HZ, 120 VAC 60Hz | Blackhawk Supply
8910DPA34V02 | Definite Purpose Contactor Type DPA, 30A, 4-Poles, 110 VAC 50HZ, 120 VAC 60Hz | Square D
Brand: Square D
SKU: 8910DPA34V02
$139.05 each
View Details Square D 8910DPA33V06 Definite Purpose Contactor Type DPA, 30A, 3-Poles, 440 VAC 50HZ, 480 VAC 60Hz | Blackhawk Supply
8910DPA33V06 | Definite Purpose Contactor Type DPA, 30A, 3-Poles, 440 VAC 50HZ, 480 VAC 60Hz | Square D
Brand: Square D
SKU: 8910DPA33V06
$105.64 each
View Details Square D 8910DPA33V02 Definite Purpose Contactor Type DPA, 30A, 3-Poles, 110 VAC 50HZ, 120 VAC 60Hz | Blackhawk Supply
8910DPA33V02 | Definite Purpose Contactor Type DPA, 30A, 3-Poles, 110 VAC 50HZ, 120 VAC 60Hz | Square D
Brand: Square D
SKU: 8910DPA33V02
$105.64 each
View Details Square D 8502SEO2V03 Class 8502 Type S Magnetic Contactor, Not Rated, 90A, 3-Poles, 220 VAC 50HZ, 240 VAC 60Hz, Non-Reversing | Blackhawk Supply
8502SEO2V03 | Class 8502 Type S Magnetic Contactor, Not Rated, 90A, 3-Poles, 220 VAC 50HZ, 240 VAC 60Hz, Non-Reversing | Square D
Brand: Square D
SKU: 8502SEO2V03
$1,504.24 each
View Details Square D 8502SBO2V02S Class 8502 Type S Magnetic Contactor, Not Rated, 18A, 3-Poles, 110 VAC 50Hz, 120 VAC 60Hz, Non-Reversing | Blackhawk Supply
8502SBO2V02S | Class 8502 Type S Magnetic Contactor, Not Rated, 18A, 3-Poles, 110 VAC 50Hz, 120 VAC 60Hz, Non-Reversing | Square D
Brand: Square D
SKU: 8502SBO2V02S
$359.78 each
View Details Square D 8502SBO1V02S Type S Non-Reversing Contactor, Size 0, 2-Pole, Open Style +Options | Blackhawk Supply
8502SBO1V02S | Type S Non-Reversing Contactor, Size 0, 2-Pole, Open Style +Options | Square D
Brand: Square D
SKU: 8502SBO1V02S
$323.66 each
View Details Square D 2510KW2H Single Unit Manual Switch, 30A, NEMA 4, 3-Pole, Toggle Operated, No Indicator, 600VAC | Blackhawk Supply
2510KW2H | Single Unit Manual Switch, 30A, NEMA 4, 3-Pole, Toggle Operated, No Indicator, 600VAC | Square D
Brand: Square D
SKU: 2510KW2H
$412.76 each
View Details Square D 2510KF1 Single Unit Manual Switch, 30A, Flush Mount, 2-Pole, Toggle Operated, No Indicator, 600VAC | Blackhawk Supply
2510KF1 | Single Unit Manual Switch, 30A, Flush Mount, 2-Pole, Toggle Operated, No Indicator, 600VAC | Square D
Brand: Square D
SKU: 2510KF1
$60.75 each
View Details Square D 3104140060 Contactor + Starter Coil 480V AC | Blackhawk Supply
3104140060 | Contactor + Starter Coil 480V AC | Square D
Brand: Square D
SKU: 3104140060
$114.02 each
View Details Square D LRD340L TeSys LRD Thermal Overload Relays - 30...40 A - class 20 | Blackhawk Supply
LRD340L | TeSys LRD Thermal Overload Relays - 30...40 A - class 20 | Square D
Brand: Square D
SKU: LRD340L
$123.53 each
View Details Square D LRD3353 BIMETALLIC OVERLOAD RELAY | Blackhawk Supply
LRD3353 | BIMETALLIC OVERLOAD RELAY | Square D
Brand: Square D
SKU: LRD3353
$123.53 each
View Details Square D LRD332 EVERLING POWER TERMINAL | Blackhawk Supply
LRD332 | EVERLING POWER TERMINAL | Square D
Brand: Square D
SKU: LRD332
$123.53 each
View Details Square D LRD325 TeSys LRD thermal overload relays - 17...25 A - class 10A | Blackhawk Supply
LRD325 | TeSys LRD thermal overload relays - 17...25 A - class 10A | Square D
Brand: Square D
SKU: LRD325
$123.53 each
View Details Square D LRD313 TeSys LRD thermal overload relays, 9...13 A, class 10A | Blackhawk Supply
LRD313 | TeSys LRD thermal overload relays, 9...13 A, class 10A | Square D
Brand: Square D
SKU: LRD313
$123.53 each
View Details Square D LRD21L BIMETALLIC RELAY 600V 18A | Blackhawk Supply
LRD21L | BIMETALLIC RELAY 600V 18A | Square D
Brand: Square D
SKU: LRD21L
$71.89 each
View Details Square D LRD16L Class 20 Bimetal Overload Relay 9-13A | Blackhawk Supply
LRD16L | Class 20 Bimetal Overload Relay 9-13A | Square D
Brand: Square D
SKU: LRD16L
$71.89 each
View Details Square D LRD08L BIMETALLIC OVERLOAD RELAY | Blackhawk Supply
LRD08L | BIMETALLIC OVERLOAD RELAY | Square D
Brand: Square D
SKU: LRD08L
$69.19 each
View Details Square D LRD01 TeSys LRD Thermal Overload Relay, 690V AC, 10A, 0-400 Hz, IP20 | Blackhawk Supply
LRD01 | TeSys LRD Thermal Overload Relay, 690V AC, 10A, 0-400 Hz, IP20 | Square D
Brand: Square D
SKU: LRD01
$69.19 each
View Details Square D LR9D02 TeSys LRD, Electronic thermal overload relay, 3P, 0.4...2 A | Blackhawk Supply
LR9D02 | TeSys LRD, Electronic thermal overload relay, 3P, 0.4...2 A | Square D
Brand: Square D
SKU: LR9D02
$88.09 each
View Details Square D LR3D3555 TeSys D thermal overload relays - 30...40 A - class 20 | Blackhawk Supply
LR3D3555 | TeSys D thermal overload relays - 30...40 A - class 20 | Square D
Brand: Square D
SKU: LR3D3555
$123.53 each
View Details Square D LR3D35 BIMETALLIC O/L RELAY 600V 38A | Blackhawk Supply
LR3D35 | BIMETALLIC O / L RELAY 600V 38A | Square D
Brand: Square D
SKU: LR3D35
$83.70 each
View Details Square D LR3D22 BIMETALLIC OVERLOAD RELAY | Blackhawk Supply
LR3D22 | BIMETALLIC OVERLOAD RELAY | Square D
Brand: Square D
SKU: LR3D22
$71.89 each
View Details Square D LR2K0322 DIFFERENTIAL THERMAL OVERLOAD RELAYS, TeSys K, 12...16 A, Class 10A | Blackhawk Supply
LR2K0322 | DIFFERENTIAL THERMAL OVERLOAD RELAYS, TeSys K, 12...16 A, Class 10A | Square D
Brand: Square D
SKU: LR2K0322
$80.33 each
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$412.20 each
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