circuit breakers

All Types
Image for Accessories Accessories Image for Miniature Circuit Breakers Miniature Circuit Breakers Image for Molded Case Circuit Breakers Molded Case Circuit Breakers Image for Thermal Magnetic Circuit Breakers Thermal Magnetic Circuit Breakers Image for Motor Circuit Breakers Motor Circuit Breakers
Filter
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 QO270 QO Miniature Circuit-Breaker, 70 A, 2 pole, 120/240 V, 10 kA, plug in | Blackhawk Supply
QO270 | QO Miniature Circuit-Breaker, 70 A, 2 pole, 120 / 240 V, 10 kA, plug in | Square D by Schneider Electric
Brand: Square D
SKU: QO270
$76.09 each
View Details Square D M9F17116 MULTI 9 - C60L - MINIATURE CIRCUIT-BREAKER, 1P, 16 A, C CURVE, 240 V, 25 KA | Blackhawk Supply
M9F17116 | MULTI 9 - C60L - MINIATURE CIRCUIT-BREAKER, 1P, 16 A, C CURVE, 240 V, 25 KA | Square D by Schneider Electric
Brand: Square D
SKU: M9F17116
$40.20 each
View Details Square D M9F21302 Multi 9 C60SP Miniature Circuit-breaker, 3P, 2 A, B Curve, 480Y/277 V, 10 kA, UL 1077 | Blackhawk Supply
M9F21302 | Multi 9 C60SP Miniature Circuit-breaker, 3P, 2 A, B Curve, 480Y / 277 V, 10 kA, UL 1077 | Square D by Schneider Electric
Brand: Square D
SKU: M9F21302
$209.33 each
View Details Square D M9F43205 MULTI 9 - C60BP MINIATURE CIRCUIT-BREAKER, 2P, 5 A, D CURVE, 480Y/277 V, 10 KA, UL 489 | Blackhawk Supply
M9F43205 | MULTI 9 - C60BP MINIATURE CIRCUIT-BREAKER, 2P, 5 A, D CURVE, 480Y / 277 V, 10 KA, UL 489 | Square D by Schneider Electric
Brand: Square D
SKU: M9F43205
$187.25 each
View Details Square D M9F43203 Multi 9 Miniature Circuit Breaker, 3A, 2-Pole, 10kA, 480Y/277 V AC | Blackhawk Supply
M9F43203 | Multi 9 Miniature Circuit Breaker, 3A, 2-Pole, 10kA, 480Y / 277 V AC | Square D by Schneider Electric
Brand: Square D
SKU: M9F43203
$187.25 each
View Details Square D M9F12216 Multi 9 Miniature Circuit Breaker, 16A, 2-Pole, 10kA, 415 VAC | Blackhawk Supply
M9F12216 | Multi 9 Miniature Circuit Breaker, 16A, 2-Pole, 10kA, 415 VAC | Square D by Schneider Electric
Brand: Square D
SKU: M9F12216
$178.97 each
View Details Square D LA9D11502 Linergy Device Feeders Electrical interlock,3P/4P | Blackhawk Supply
LA9D11502 | Linergy Device Feeders Electrical interlock, 3P / 4P | Square D by Schneider Electric
Brand: Square D
SKU: LA9D11502
$97.24 each
View Details Square D JJA36250 MOLDED CASE CIRCUIT BREAKER 600V 250A | Blackhawk Supply
JJA36250 | MOLDED CASE CIRCUIT BREAKER 600V 250A | Square D by Schneider Electric
Brand: Square D
SKU: JJA36250
$5,604.24 each
View Details Square D JGL36000S17 POWERPACT AUTOMATIC MOULDED CASE SWITCH 600V 175 A J-Frame | Blackhawk Supply
JGL36000S17 | POWERPACT AUTOMATIC MOULDED CASE SWITCH 600V 175 A J-Frame | Square D by Schneider Electric
Brand: Square D
SKU: JGL36000S17
$1,974.58 each
View Details Square D LAL36350 MOLDED CASE CIRCUIT BREAKER 600V 350A | Blackhawk Supply
LAL36350 | MOLDED CASE CIRCUIT BREAKER 600V 350A | Square D by Schneider Electric
Brand: Square D
SKU: LAL36350
$2,032.18 each
View Details Square D HJP36100M73 POWERPACT H CIRCUIT BREAKER, MOTOR PROTECTOR, 100A, 3P, 600V, 25KA | Blackhawk Supply
HJP36100M73 | POWERPACT H CIRCUIT BREAKER, MOTOR PROTECTOR, 100A, 3P, 600V, 25KA | Square D by Schneider Electric
Brand: Square D
SKU: HJP36100M73
$1,474.56 each
View Details Square D HJL36150M74 PowerPact H Circuit Breaker, MotorProtector, 50A, 3P, 600V, 25kA | Blackhawk Supply
HJL36150M74 | PowerPact H Circuit Breaker, MotorProtector, 50A, 3P, 600V, 25kA | Square D by Schneider Electric
Brand: Square D
SKU: HJL36150M74
$1,853.54 each
View Details Square D GV3P40 TeSys GV3 Circuit Breaker, Thermal Magnetic, 3-Pole, 40A, 690VAC, EverLink BTR Screw Connectors, IP20 | Blackhawk Supply
GV3P40 | TeSys GV3 Circuit Breaker, Thermal Magnetic, 3-Pole, 40A, 690VAC, EverLink BTR Screw Connectors, IP20 | Square D by Schneider Electric
Brand: Square D
SKU: GV3P40
$509.73 each
View Details Square D GV2APN02 TeSys GV2 Rotary Handle Kit, Red, IP54 | Blackhawk Supply
GV2APN02 | TeSys GV2 Rotary Handle Kit, Red, IP54 | Square D by Schneider Electric
Brand: Square D
SKU: GV2APN02
$132.35 each
View Details Square D GV3P50 TeSys GV3 Circuit Breaker, Thermal Magnetic, 3-Pole, 50A, 690VAC, EverLink BTR Screw Connectors, IP20 | Blackhawk Supply
GV3P50 | TeSys GV3 Circuit Breaker, Thermal Magnetic, 3-Pole, 50A, 690VAC, EverLink BTR Screw Connectors, IP20 | Square D by Schneider Electric
Brand: Square D
SKU: GV3P50
$509.73 each
View Details Square D GV2P07 TeSys GV2 Motor Circuit Breaker, Thermal Magnetic, 3-Pole, 2.5A, 690VAC, Screw Clamp Terminals, IP20 | Blackhawk Supply
GV2P07 | TeSys GV2 Motor Circuit Breaker, Thermal Magnetic, 3-Pole, 2.5A, 690VAC, Screw Clamp Terminals, IP20 | Square D by Schneider Electric
Brand: Square D
SKU: GV2P07
$235.76 each
View Details Square D GV2P14 TeSys GV2 Motor Circuit Breaker, Thermal Magnetic, 3-Pole, 10A, 690VAC, Screw Clamp Terminals, IP20 | Blackhawk Supply
GV2P14 | TeSys GV2 Motor Circuit Breaker, Thermal Magnetic, 3-Pole, 10A, 690VAC, Screw Clamp Terminals, IP20 | Square D by Schneider Electric
Brand: Square D
SKU: GV2P14
$235.76 each
View Details Square D GV2RT16 TeSys GV2 Circuit Breaker, Thermal Magnetic, 3-Pole, 14A, 690VAC, Screw Clamp Terminals, IP20 | Blackhawk Supply
GV2RT16 | TeSys GV2 Circuit Breaker, Thermal Magnetic, 3-Pole, 14A, 690VAC, Screw Clamp Terminals, IP20 | Square D by Schneider Electric
Brand: Square D
SKU: GV2RT16
$226.50 each
View Details Square D GV2P10 TeSys GV2 Motor Circuit Breaker, Thermal Magnetic, 3-Pole, 6.3A, 690VAC, Screw Clamp Terminals, IP20 | Blackhawk Supply
GV2P10 | TeSys GV2 Motor Circuit Breaker, Thermal Magnetic, 3-Pole, 6.3A, 690VAC, Screw Clamp Terminals, IP20 | Square D by Schneider Electric
Brand: Square D
SKU: GV2P10
$253.52 each
View Details Square D EDB34125 Miniature Circuit Breaker, 125A, 3-Pole, 480Y/277V AC, 18/25kA, Bolt-on Mount | Blackhawk Supply
EDB34125 | Miniature Circuit Breaker, 125A, 3-Pole, 480Y / 277V AC, 18 / 25kA, Bolt-on Mount | Square D by Schneider Electric
Brand: Square D
SKU: EDB34125
$959.89 each
View Details Square D ECB24020G3 Powerlink G3 Controllable Circuit Breaker, 480 VAC, 20 Amp, 2 Pole | Blackhawk Supply
ECB24020G3 | Powerlink G3 Controllable Circuit Breaker, 480 VAC, 20 Amp, 2 Pole | Square D by Schneider Electric
Brand: Square D
SKU: ECB24020G3
$592.49 each
View Details Square D B300 LOAD CENTER HUB TYPE R +OPTIONS | Blackhawk Supply
B300 | LOAD CENTER HUB TYPE R +OPTIONS | Square D by Schneider Electric
Brand: Square D
SKU: B300
$76.10 each
View Details Square D 9422CMP50 CABLE OPERATING MECHANISM NEMA | Blackhawk Supply
9422CMP50 | CABLE OPERATING MECHANISM NEMA | Square D by Schneider Electric
Brand: Square D
SKU: 9422CMP50
$891.61 each
Type
Amps
Application
Current Core
Current Measurement Accuracy
Current Measurement Range
Housing
Model
Monitored Wire Size
Mount
Mounting
Output Specifications
Outputs
Poles
Product Type
Product Certification
Range
Sensor
Series
VFD Phase
Voltage
category
subcategory
Committed to customer satisfaction
as experts in Circuit Breakers
(847) 773-0645
Recently Viewed

Popular Products

View all →
Danfoss 065B8900 ESBE ATA Thermostatic Draft Regulator, 3/4" FNPT, 2.2 Pound-force (10N) | Blackhawk Supply
065B8900 | ESBE ATA Thermostatic Draft Regulator, 3/4" FNPT, 2.2 Pound-force (10N) | Danfoss
Brand: Danfoss
SKU: 065B8900
$142.87 each
Veris H221 Split Core | Span Adj. | Range: 0-300AAC | Output: 4-20mA | Loop | Blackhawk Supply
H221 | Split Core | Span Adj. | Range: 0-300AAC | Output: 4-20mA | Loop | Veris
Brand: Veris
SKU: H221
$141.60 each
Contemporary Controls EISK8-100T 8-port 10BASE-T/100BASE-TX Skorpion switch, DIN-rail mount | Blackhawk Supply
EISK8-100T | 8-port 10BASE-T/100BASE-TX Skorpion switch, DIN-rail mount | Contemporary Controls
Brand: Contemporary Controls
SKU: EISK8-100T
$174.38 each
Siemens QAA2280.FWSC Room Temp Sensor, Full Feature, Siemens Logo, Tool Port, TEC Controllers | Blackhawk Supply
QAA2280.FWSC | Room Temp Sensor, Full Feature, Siemens Logo, Tool Port, TEC Controllers | Siemens
Brand: Siemens
SKU: QAA2280.FWSC
$171.48 each
Viconics VT7652B5031 Thermostat | Roof | 2 Heat Cntct | 2 Cool Cntct | Programmable | Blackhawk Supply
VT7652B5031 | Thermostat | Roof | 2 Heat Cntct | 2 Cool Cntct | Programmable | Viconics
Brand: Viconics
SKU: VT7652B5031
$167.45 each
Contemporary Controls EISK16-100T Skorpion 16-Port 10/100Mbps Switch | Blackhawk Supply
EISK16-100T | Skorpion 16-Port 10/100Mbps Switch | Contemporary Controls
Brand: Contemporary Controls
SKU: EISK16-100T
$329.07 each
Veris H321 Split Core | Span Adj. | Range: 0-800AAC | Output: 4-20mA | Loop | Blackhawk Supply
H321 | Split Core | Span Adj. | Range: 0-800AAC | Output: 4-20mA | Loop | Veris
Brand: Veris
SKU: H321
$177.08 each
Belimo LF120-S US Damper Actuator | 35 in-lb | Spg Rtn | 120V | On/Off | Blackhawk Supply
LF120-S US | Damper Actuator | 35 in-lb | Spg Rtn | 120V | On/Off | Belimo
Brand: Belimo
SKU: LF120-S US
$316.80 each
Sign in to your account

Don't have an account? Create an account

Show

Forgot password?

Register New Account

Already have an account? Sign In instead.

Show
Show

Sign In

Your Cart
0 items
$0.00
Are you from Chicago?
Yes / No
Chicago Change
Shipping Estimates
Shipping:
The product has been added to cart.
There are 0 items in your cart.
Scroll to view all
Continue to Cart ($0.00) Quote these products
You can order without authorization. The system will remember your information after completion.