Square-d 40a Amps

We have 6600+ Square-D products ranging from circuit breakers and load centers to soft starters and VFDs. Shop today for Square-D products!
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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
$341.78 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
$42.58 each
View Details Square D QOB240 QO mini breaker, 40 A, 2 pole, 120/240 V, 10 kA, bolt on | Blackhawk Supply
QOB240 | QO mini breaker, 40 A, 2 pole, 120 / 240 V, 10 kA, bolt on | Square D by Schneider Electric
Brand: Square D
SKU: QOB240
$23.65 each
View Details Square D QOB140VH Mini circuit breaker, QO, 40A, 1 pole, 120/240 VAC, 22 kA, bolt on mount | Blackhawk Supply
QOB140VH | Mini circuit breaker, QO, 40A, 1 pole, 120 / 240 VAC, 22 kA, bolt on mount | Square D
Brand: Square D
SKU: QOB140VH
$65.43 each
View Details Square D QO340GFI MINIATURE CIRCUIT BREAKER, QO, 40 A, 3P, 208Y/120 V, 10 kA, Plug in, GFI | Blackhawk Supply
QO340GFI | MINIATURE CIRCUIT BREAKER, QO, 40 A, 3P, 208Y / 120 V, 10 kA, Plug in, GFI | Square D
Brand: Square D
SKU: QO340GFI
$562.14 each
View Details Square D QO240 QO Miniature Circuit Breaker, 40A, 2-Pole, 120-240V, 10kA, Plug-in Mount | Blackhawk Supply
QO240 | QO Miniature Circuit Breaker, 40A, 2-Pole, 120-240V, 10kA, Plug-in Mount | Square D
Brand: Square D
SKU: QO240
$35.09 each
View Details Square D HOM240 MINIATURE CIRCUIT BREAKER 120/240V 40A | Blackhawk Supply
HOM240 | MINIATURE CIRCUIT BREAKER 120 / 240V 40A | Square D
Brand: Square D
SKU: HOM240
$17.23 each
View Details Square D QOU140 QOU Miniature Circuit Breaker, 40A, 1P, 120/240V, 10kA | Blackhawk Supply
QOU140 | QOU Miniature Circuit Breaker, 40A, 1P, 120 / 240V, 10kA | Square D by Schneider Electric
Brand: Square D
SKU: QOU140
$18.60 each
View Details Square D QOB340 QO Miniature circuit-breaker, 40 A, 3 pole, 120/240 V, 10 kA, bolt on | Blackhawk Supply
QOB340 | QO Miniature circuit-breaker, 40 A, 3 pole, 120 / 240 V, 10 kA, bolt on | Square D
Brand: Square D
SKU: QOB340
$240.48 each
View Details Square D QO340 Mini circuit breaker, QO, 40A, 3 pole, 120/240 VAC, 10 kA, plug in mount | Blackhawk Supply
QO340 | Mini circuit breaker, QO, 40A, 3 pole, 120 / 240 VAC, 10 kA, plug in mount | Square D
Brand: Square D
SKU: QO340
$163.59 each
View Details Square D QO2L40RB LOAD CENTER QO MLO 240V 40A 1PH 2SP | Blackhawk Supply
QO2L40RB | LOAD CENTER QO MLO 240V 40A 1PH 2SP | Square D by Schneider Electric
Brand: Square D
SKU: QO2L40RB
$69.78 each
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LF24-SR US | Damper Actuator | 35 in-lb | Spg Rtn | 24V | Modulating | Belimo
Brand: Belimo
SKU: LF24-SR US
$337.05 each
Contemporary Controls EIPR-E Ethernet IP Router with Four-port Switch | Blackhawk Supply
EIPR-E | Ethernet IP Router with Four-port Switch | Contemporary Controls
Brand: Contemporary Controls
SKU: EIPR-E
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Belimo AFB24-SR Damper Actuator | 180 in-lb | Spg Rtn | 24V | Modulating | Blackhawk Supply
AFB24-SR | Damper Actuator | 180 in-lb | Spg Rtn | 24V | Modulating | Belimo
Brand: Belimo
SKU: AFB24-SR
$474.30 each
Belimo AMB24-3 Damper Actuator | 180 in-lb | Non-Spg Rtn | 24V | On/Off/Floating Point | Blackhawk Supply
AMB24-3 | Damper Actuator | 180 in-lb | Non-Spg Rtn | 24V | On/Off/Floating Point | Belimo
Brand: Belimo
SKU: AMB24-3
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Belimo LMB24-3-T Damper Actuator | 45 in-lb | Non-Spg Rtn | 24V | On/Off/Floating Point | Blackhawk Supply
LMB24-3-T | Damper Actuator | 45 in-lb | Non-Spg Rtn | 24V | On/Off/Floating Point | Belimo
Brand: Belimo
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Contemporary Controls EISK5-100T 5-port 10BASE-T/100BASE-TX Skorpion switch, DIN-rail mount | Blackhawk Supply
EISK5-100T | 5-port 10BASE-T/100BASE-TX Skorpion switch, DIN-rail mount | Contemporary Controls
Brand: Contemporary Controls
SKU: EISK5-100T
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Belimo FSLF120 US Fire & Smoke Actuator | 30 in-lb | Spg Rtn | 120V | On/Off | 1m Cable | Blackhawk Supply
FSLF120 US | Fire & Smoke Actuator | 30 in-lb | Spg Rtn | 120V | On/Off | 1m Cable | Belimo
Brand: Belimo
SKU: FSLF120 US
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Belimo LF120 US Damper Actuator | 35 in-lb | Spg Rtn | 120V | On/Off | Blackhawk Supply
LF120 US | Damper Actuator | 35 in-lb | Spg Rtn | 120V | On/Off | Belimo
Brand: Belimo
SKU: LF120 US
$273.15 each
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