circuit protection

All Types
Image for Circuit Breakers Circuit Breakers Image for Fuses Fuses Image for Resistors Resistors Image for Surge Protection Surge Protection Image for Disconnect Switches Disconnect Switches Image for Contactors Contactors Image for Load Centers Load Centers Image for Panelboards Panelboards
Filter
View Details Square D QO315 MINIATURE CIRCUIT BREAKER, 240V, 15A | Blackhawk Supply
QO315 | MINIATURE CIRCUIT BREAKER, 240V, 15A | Square D
Brand: Square D
SKU: QO315
$116.44 each
View Details Square D PK27GTACU NF Panelboard Acc. Ground Bar Kit 400/800A | Blackhawk Supply
PK27GTACU | NF Panelboard Acc. Ground Bar Kit 400 / 800A | Square D
Brand: Square D
SKU: PK27GTACU
$86.40 each
View Details Square D PJL36000S80 TOMATIC MOLDED CASE SWITCH 600V 800A | Blackhawk Supply
PJL36000S80 | TOMATIC MOLDED CASE SWITCH 600V 800A | Square D
Brand: Square D
SKU: PJL36000S80
$7,130.70 each
View Details Square D QO115GFI Square D QO Mini CB, QO, 15 A, 1P, 120 V, 10 kA, Plug in, GFI | Blackhawk Supply
QO115GFI | Square D QO Mini CB, QO, 15 A, 1P, 120 V, 10 kA, Plug in, GFI | Square D
Brand: Square D
SKU: QO115GFI
$118.46 each
View Details Square D NF240PSG3 Powerlink G3 Power Supply, 240 VAC, for mounting in the Powerlink panelboard. Takes up the top 3 circuit breaker spaces on the left. | Blackhawk Supply
NF240PSG3 | Powerlink G3 Power Supply, 240 VAC, for mounting in the Powerlink panelboard. Takes up the top 3 circuit breaker spaces on the left. | Square D
Brand: Square D
SKU: NF240PSG3
$878.54 each
View Details Square D NF277PSG3L Powerlink G3 Power Supply, 277 VAC, w/ Lead, For mounting separate from the Powerlink panel board. | Blackhawk Supply
NF277PSG3L | Powerlink G3 Power Supply, 277 VAC, w / Lead, For mounting separate from the Powerlink panel board. | Square D
Brand: Square D
SKU: NF277PSG3L
$1,248.10 each
View Details Square D NF12SBLG3 Powerlink G3 Control Bus Strip, 12 circuits, left side only | Blackhawk Supply
NF12SBLG3 | Powerlink G3 Control Bus Strip, 12 circuits, left side only | Square D
Brand: Square D
SKU: NF12SBLG3
$911.89 each
View Details Square D NF12SBRG3 Powerlink G3 Control Bus Strip, 12 Circuits, Right Side Only | Blackhawk Supply
NF12SBRG3 | Powerlink G3 Control Bus Strip, 12 Circuits, Right Side Only | Square D
Brand: Square D
SKU: NF12SBRG3
$911.89 each
View Details Square D M9F43220 Multi 9 Miniature Circuit Breaker, 20A, 2-Pole, 10kA, 480Y/277 V | Blackhawk Supply
M9F43220 | Multi 9 Miniature Circuit Breaker, 20A, 2-Pole, 10kA, 480Y / 277 V | Square D
Brand: Square D
SKU: M9F43220
$183.60 each
View Details Square D M9F22103 Multi 9-C60SP MCB, 1P, 3 A, C Curve, 277 V, 10 kA, UL 1077. | Blackhawk Supply
M9F22103 | Multi 9-C60SP MCB, 1P, 3 A, C Curve, 277 V, 10 kA, UL 1077. | Square D
Brand: Square D
SKU: M9F22103
$71.55 each
View Details Square D M9F23213 Multi 9 - C60SP MCB, 2P, 13A, D Curve, 480Y/277 V, 10 kA - UL 1077 | Blackhawk Supply
M9F23213 | Multi 9 - C60SP MCB, 2P, 13A, D Curve, 480Y / 277 V, 10 kA - UL 1077 | Square D
Brand: Square D
SKU: M9F23213
$155.25 each
View Details Square D M9F22102 Multi 9-C60SP MCB, 1P, 2 A, C Curve, 277 V, 10 kA, UL 1077. | Blackhawk Supply
M9F22102 | Multi 9-C60SP MCB, 1P, 2 A, C Curve, 277 V, 10 kA, UL 1077. | Square D
Brand: Square D
SKU: M9F22102
$71.55 each
View Details Square D M9F43202 MULTI 9 - C60BP MINIATURE CIRCUIT-BREAKER, 2P, 2 A, D CURVE, 480Y/277 V, 10 KA, UL 489 | Blackhawk Supply
M9F43202 | MULTI 9 - C60BP MINIATURE CIRCUIT-BREAKER, 2P, 2 A, D CURVE, 480Y / 277 V, 10 KA, UL 489 | Square D
Brand: Square D
SKU: M9F43202
$200.48 each
View Details Square D M9F23332 Multi 9 C60SP Miniature Circuit Breaker, 3P, 32 A, D Curve, 480Y/277 V, 10 kA, UL 1077 | Blackhawk Supply
M9F23332 | Multi 9 C60SP Miniature Circuit Breaker, 3P, 32 A, D Curve, 480Y / 277 V, 10 kA, UL 1077 | Square D
Brand: Square D
SKU: M9F23332
$224.10 each
View Details Square D LUB120 Non reversing power base, TeSys U, 12 A, 3P, no connections control | Blackhawk Supply
LUB120 | Non reversing power base, TeSys U, 12 A, 3P, no connections control | Square D
Brand: Square D
SKU: LUB120
$280.13 each
View Details Square D M9F43215 Multi 9 Miniature Circuit Breaker, 20A, 2-Pole,D Curve, 10kA, 480Y/277 V | Blackhawk Supply
M9F43215 | Multi 9 Miniature Circuit Breaker, 20A, 2-Pole, D Curve, 10kA, 480Y / 277 V | Square D
Brand: Square D
SKU: M9F43215
$183.60 each
View Details Square D M9F43210 Multi 9 C60BP Miniature circuit-breaker, 2P, 10 A, D Curve, 480Y/277 V, 10 kA, UL 489 | Blackhawk Supply
M9F43210 | Multi 9 C60BP Miniature circuit-breaker, 2P, 10 A, D Curve, 480Y / 277 V, 10 kA, UL 489 | Square D
Brand: Square D
SKU: M9F43210
$183.60 each
View Details Square D M9F21220 Multi 9 Miniature Circuit Breaker, 20A, 2-Pole, 10kA, 480Y/277VAC | Blackhawk Supply
M9F21220 | Multi 9 Miniature Circuit Breaker, 20A, 2-Pole, 10kA, 480Y / 277VAC | Square D
Brand: Square D
SKU: M9F21220
$155.25 each
View Details Square D M9F22108 Multi 9-C60SP MCB, 1P, 8 A, C Curve, 277 V, 10 kA, UL 1077. | Blackhawk Supply
M9F22108 | Multi 9-C60SP MCB, 1P, 8 A, C Curve, 277 V, 10 kA, UL 1077. | Square D
Brand: Square D
SKU: M9F22108
$71.55 each
View Details Square D LGL36400U31X MOLDED CASE CIRCUIT BREAKER 600V 400A | Blackhawk Supply
LGL36400U31X | MOLDED CASE CIRCUIT BREAKER 600V 400A | Square D
Brand: Square D
SKU: LGL36400U31X
$5,006.81 each
View Details Square D M9F42310 Multi 9-C60BP MCB, 3P, 10 A, C Curve, 480Y/277 V,10 kA, UL 489 | Blackhawk Supply
M9F42310 | Multi 9-C60BP MCB, 3P, 10 A, C Curve, 480Y / 277 V, 10 kA, UL 489 | Square D
Brand: Square D
SKU: M9F42310
$265.28 each
View Details Square D M9F22306 Multi 9 C60SP Miniature circuit-breaker, 3P, 6 A, C Curve, 480Y/277 V, 10 kA, UL 1077 | Blackhawk Supply
M9F22306 | Multi 9 C60SP Miniature circuit-breaker, 3P, 6 A, C Curve, 480Y / 277 V, 10 kA, UL 1077 | Square D
Brand: Square D
SKU: M9F22306
$224.10 each
View Details Square D M9F43201 MULTI 9 - C60BP - MINIATURE CIRCUIT-BREAKER, 2P, 1 A, D CURVE, 480Y/277 V, 10 KA, UL 489 | Blackhawk Supply
M9F43201 | MULTI 9 - C60BP - MINIATURE CIRCUIT-BREAKER, 2P, 1 A, D CURVE, 480Y / 277 V, 10 KA, UL 489 | Square D
Brand: Square D
SKU: M9F43201
$200.48 each
View Details Square D LC2K1210B7 TESYS K REVERSING CONTACTOR - 3P, AC-3 <= 440 V 12 A, 1 NO, 24 V AC COIL | Blackhawk Supply
LC2K1210B7 | TESYS K REVERSING CONTACTOR - 3P, AC-3 <= 440 V 12 A, 1 NO, 24 V AC COIL | Square D
Brand: Square D
SKU: LC2K1210B7
$261.90 each
Type
Accuracy
Amperage
Amps
Application
Communication
Current Core
Current Measurement Accuracy
Current Measurement Range
Current Sensor Type
Dimensions
Display Type
Frequency Rating
Line
Measurement Type
Metering Product Family
Model
Monitored Voltage Range
Monitored Wire Size
Mount
Mounting
NEMA
Operating Temperature
Output Specifications
Outputs
Poles
Power Monitoring
Product Type
Product Certification
Range
Sensor
Series
Size
Spaces
SubType
Voltage
Warranty
category
subcategory
Committed to customer satisfaction
as experts in Circuit Protection
(847) 773-0645
Recently Viewed

Popular Products

View all →
Belimo GMB24-SR Damper Actuator | 360 in-lb | Non-Spg Rtn | 24V | Modulating | Blackhawk Supply
GMB24-SR | Damper Actuator | 360 in-lb | Non-Spg Rtn | 24V | Modulating | Belimo
Brand: Belimo
SKU: GMB24-SR
$522.90 each
Belimo AFB24-MFT Damper Actuator | 180 in-lb | Spg Rtn | 24V | MFT | Blackhawk Supply
AFB24-MFT | Damper Actuator | 180 in-lb | Spg Rtn | 24V | MFT | Belimo
Brand: Belimo
SKU: AFB24-MFT
$558.90 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.