Square-d Circuit breakers 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 QBP22200TM PowerPact Q Molded Case Circuit Breaker, 200A, 240V AC, 2-Pole, 10kA | Blackhawk Supply
QBP22200TM | PowerPact Q Molded Case Circuit Breaker, 200A, 240V AC, 2-Pole, 10kA | Square D
Brand: Square D
SKU: QBP22200TM
$263.93 each
View Details Square D HOM230GFI MINIATURE CIRCUIT BREAKER, 2P, 120/240V, 30A | Blackhawk Supply
HOM230GFI | MINIATURE CIRCUIT BREAKER, 2P, 120 / 240V, 30A | Square D
Brand: Square D
SKU: HOM230GFI
$185.63 each
View Details Square D QO330GFI MINIATURE CIRCUIT BREAKER, QO, 30 A, 3P, 208Y/120 V, 10 kA, Plug in, GFI | Blackhawk Supply
QO330GFI | MINIATURE CIRCUIT BREAKER, QO, 30 A, 3P, 208Y / 120 V, 10 kA, Plug in, GFI | Square D
Brand: Square D
SKU: QO330GFI
$601.43 each
View Details Square D HOM2150 MINIATURE CIRCUIT BREAKER, 2P, 120/240V 150A | Blackhawk Supply
HOM2150 | MINIATURE CIRCUIT BREAKER, 2P, 120 / 240V 150A | Square D
Brand: Square D
SKU: HOM2150
$206.55 each
View Details Square D 9422CSF50 OPERATING MECHANISM CABLE MECHANISM NEMA | Blackhawk Supply
9422CSF50 | OPERATING MECHANISM CABLE MECHANISM NEMA | Square D
Brand: Square D
SKU: 9422CSF50
$381.04 each
View Details Square D 9422A1 OPERATING MECHANISM HANDLE NEMA | Blackhawk Supply
9422A1 | OPERATING MECHANISM HANDLE NEMA | Square D
Brand: Square D
SKU: 9422A1
$178.54 each
View Details Square D QOB3401021 Miniature Circuit Breakers QO, 40 A, 3P, 120/240 V, 10 kA, Bolt on, Shunt Trip | Blackhawk Supply
QOB3401021 | Miniature Circuit Breakers QO, 40 A, 3P, 120 / 240 V, 10 kA, Bolt on, Shunt Trip | Square D
Brand: Square D
SKU: QOB3401021
$365.85 each
View Details Square D QOB3125VH MINIATURE CIRCUIT BREAKER 240V 125A | Blackhawk Supply
QOB3125VH | MINIATURE CIRCUIT BREAKER 240V 125A | Square D
Brand: Square D
SKU: QOB3125VH
$623.36 each
View Details Square D QBM22150TN PowerPact Q Molded case circuit breaker, 2-pole, 10 kA, 240 V, 150 A | Blackhawk Supply
QBM22150TN | PowerPact Q Molded case circuit breaker, 2-pole, 10 kA, 240 V, 150 A | Square D
Brand: Square D
SKU: QBM22150TN
$474.86 each
View Details Square D HGA36125 PowerPact H I-Line Circuit Breaker, ThermMagn, 125A, 3P, 600V, 18kA | Blackhawk Supply
HGA36125 | PowerPact H I-Line Circuit Breaker, ThermMagn, 125A, 3P, 600V, 18kA | Square D
Brand: Square D
SKU: HGA36125
$3,065.51 each
View Details Square D QOU240 MINIATURE CIRCUIT BREAKERS QOU, 40A, 2P, 120/240V, 10kA | Blackhawk Supply
QOU240 | MINIATURE CIRCUIT BREAKERS QOU, 40A, 2P, 120 / 240V, 10kA | Square D
Brand: Square D
SKU: QOU240
$45.56 each
View Details Square D QO2030 MINIATURE CIRCUIT BREAKER 240V 20/30A | Blackhawk Supply
QO2030 | MINIATURE CIRCUIT BREAKER 240V 20 / 30A | Square D
Brand: Square D
SKU: QO2030
$71.21 each
View Details Square D QO2020 Mini circuit breaker, QO Tandem, 20 A, 1P, 120/240 V, 10 kA, Plug in | Blackhawk Supply
QO2020 | Mini circuit breaker, QO Tandem, 20 A, 1P, 120 / 240 V, 10 kA, Plug in | Square D
Brand: Square D
SKU: QO2020
$69.19 each
View Details Square D QO130EPD MINIATURE CIRCUIT-BREAKER, QO, 30 A, 1P, 120 V, 10 KA, PLUG IN, EPD | Blackhawk Supply
QO130EPD | MINIATURE CIRCUIT-BREAKER, QO, 30 A, 1P, 120 V, 10 KA, PLUG IN, EPD | Square D
Brand: Square D
SKU: QO130EPD
$231.53 each
View Details Square D QO120EPD MINIATURE CIRCUIT BREAKER 120V 20A | Blackhawk Supply
QO120EPD | MINIATURE CIRCUIT BREAKER 120V 20A | Square D
Brand: Square D
SKU: QO120EPD
$242.66 each
View Details Square D PDC3HD2 Circuit Breaker Power Distribution Connector; 15-100 Amp | Blackhawk Supply
PDC3HD2 | Circuit Breaker Power Distribution Connector; 15-100 Amp | Square D
Brand: Square D
SKU: PDC3HD2
$333.11 each
View Details Square D JDL36200 PowerPact J-Frame breaker, thermal-magnetic, 200 A, 3P, 14 kA at 600 VAC | Blackhawk Supply
JDL36200 | PowerPact J-Frame breaker, thermal-magnetic, 200 A, 3P, 14 kA at 600 VAC | Square D
Brand: Square D
SKU: JDL36200
$2,047.28 each
View Details Square D HOM220GFI MINIATURE CIRCUIT BREAKER , 2P, 120/240V, 20A | Blackhawk Supply
HOM220GFI | MINIATURE CIRCUIT BREAKER , 2P, 120 / 240V, 20A | Square D
Brand: Square D
SKU: HOM220GFI
$185.63 each
View Details Square D EDB34030 Miniature Circuit Breaker, 30A, 3-Pole, 480Y/277V AC, 18/25kA, Bolt-on Mount | Blackhawk Supply
EDB34030 | Miniature Circuit Breaker, 30A, 3-Pole, 480Y / 277V AC, 18 / 25kA, Bolt-on Mount | Square D
Brand: Square D
SKU: EDB34030
$283.84 each
View Details Square D S33100 PowerPact Pin Connector, Micrologic Trip Unit, P-Frame, 12 Pins | Blackhawk Supply
S33100 | PowerPact Pin Connector, Micrologic Trip Unit, P-Frame, 12 Pins | Square D
Brand: Square D
SKU: S33100
$206.55 each
View Details Square D QO320GFI MINIATURE CIRCUIT BREAKER, QO, 20 A, 3P, 208Y/120 V, 10 kA, Plug in, GFI | Blackhawk Supply
QO320GFI | MINIATURE CIRCUIT BREAKER, QO, 20 A, 3P, 208Y / 120 V, 10 kA, Plug in, GFI | Square D
Brand: Square D
SKU: QO320GFI
$601.43 each
View Details Square D M9F42205 Multi 9-C60BP MCB, 2P, 5 A, C Curve, 480Y/277 V,10 kA, UL 489 | Blackhawk Supply
M9F42205 | Multi 9-C60BP MCB, 2P, 5 A, C Curve, 480Y / 277 V, 10 kA, UL 489 | Square D
Brand: Square D
SKU: M9F42205
$239.29 each
View Details Square D HOM250GFI MINIATURE CIRCUIT BREAKER, 2P, 120/240V, 50A | Blackhawk Supply
HOM250GFI | MINIATURE CIRCUIT BREAKER, 2P, 120 / 240V, 50A | Square D
Brand: Square D
SKU: HOM250GFI
$185.63 each
View Details Square D HOM2200 MINIATURE CIRCUIT BREAKER, 2P, 120/240V, 200A | Blackhawk Supply
HOM2200 | MINIATURE CIRCUIT BREAKER, 2P, 120 / 240V, 200A | Square D
Brand: Square D
SKU: HOM2200
$219.38 each
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Square D MD3604X Switch Motor Disconnect 60A 3P NEMA 4X | Blackhawk Supply
MD3604X | Switch Motor Disconnect 60A 3P NEMA 4X | Square D
Brand: Square D
SKU: MD3604X
$122.85 each
Contemporary Controls EISK5-GT Gig Switch. 5-port 10BASE-T/100BASE-TX/1000BASE-T Skorpion switch, DIN-rail mount | Blackhawk Supply
EISK5-GT | Gig Switch. 5-port 10BASE-T/100BASE-TX/1000BASE-T Skorpion switch, DIN-rail mount | Contemporary Controls
Brand: Contemporary Controls
SKU: EISK5-GT
$180.94 each
Contemporary Controls EISK8-GT Gig Switch. 8-port 10BASE-T/100BASE-TX/1000BASE-T Skorpion switch, DIN-rail mount | Blackhawk Supply
EISK8-GT | Gig Switch. 8-port 10BASE-T/100BASE-TX/1000BASE-T Skorpion switch, DIN-rail mount | Contemporary Controls
Brand: Contemporary Controls
SKU: EISK8-GT
$240.94 each
Contemporary Controls EIBA5-100T/R 5-Port 10/100Mbps DIN-rail Mount BAS Switch | Blackhawk Supply
EIBA5-100T/R | 5-Port 10/100Mbps DIN-rail Mount BAS Switch | Contemporary Controls
Brand: Contemporary Controls
SKU: EIBA5-100T/R
$119.06 each
Siemens GCA161.1U Damper Actuator | Spring Return | 24 VAC/DC | 0-10 Vdc | 160 lb-in | Blackhawk Supply
GCA161.1U | Damper Actuator | Spring Return | 24 VAC/DC | 0-10 Vdc | 160 lb-in | Siemens
Brand: Siemens
SKU: GCA161.1U
$358.36 each
Belimo S2A Auxiliary switch | 2x SPDT | 3A (0.5A inductive) @ 250 VAC max. | Blackhawk Supply
S2A | Auxiliary switch | 2x SPDT | 3A (0.5A inductive) @ 250 VAC max. | Belimo
Brand: Belimo
SKU: S2A
$114.75 each
Belimo B225+LF120 US CCV | 1" | 2 Way | 30 Cv | w/ Spg Rtn | 120V | On/Off | Blackhawk Supply
B225+LF120 US | CCV | 1" | 2 Way | 30 Cv | w/ Spg Rtn | 120V | On/Off | Belimo
Brand: Belimo
SKU: B225+LF120 US
$482.85 each
Veris PW2LX04S Pressure | Wet | 2 | Nema 4 | LCD | 0-100PSID | Blackhawk Supply
PW2LX04S | Pressure | Wet | 2 | Nema 4 | LCD | 0-100PSID | Veris
Brand: Veris
SKU: PW2LX04S
$395.83 each
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