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 S48493 Masterpact NW Circuit Breaker Shunt Trip/Close, Y-Frame, 100-130V AC/DC | Blackhawk Supply
S48493 | Masterpact NW Circuit Breaker Shunt Trip / Close, Y-Frame, 100-130V AC / DC | Square D by Schneider Electric
Brand: Square D
SKU: S48493
$746.89 each
View Details Square D QOB350 Miniature Circuit Breaker (QOB) Standard, 50A, 3-Pole, 240 Vac, 3-Phase, Bolt-On | Blackhawk Supply
QOB350 | Miniature Circuit Breaker (QOB) Standard, 50A, 3-Pole, 240 Vac, 3-Phase, Bolt-On | Square D
Brand: Square D
SKU: QOB350
$84.75 each
View Details Square D QO2100 MINIATURE CIRCUIT BREAKER 120/240V 100A | Blackhawk Supply
QO2100 | MINIATURE CIRCUIT BREAKER 120 / 240V 100A | Square D by Schneider Electric
Brand: Square D
SKU: QO2100
$108.41 each
View Details Square D QOU390 QOU Miniature Circuit Breaker, 90A, 3P, 240V, 10kA | Blackhawk Supply
QOU390 | QOU Miniature Circuit Breaker, 90A, 3P, 240V, 10kA | Square D by Schneider Electric
Brand: Square D
SKU: QOU390
$206.56 each
View Details Square D QO1520 MINIATURE CIRCUIT BREAKER, QO Tandem, 15/20 A, 1P, 120/240 V, 10 kA, Plug in | Blackhawk Supply
QO1520 | MINIATURE CIRCUIT BREAKER, QO Tandem, 15 / 20 A, 1P, 120 / 240 V, 10 kA, Plug in | Square D by Schneider Electric
Brand: Square D
SKU: QO1520
$64.65 each
View Details Square D QOC40UF LOAD CENTER COVER QO | Blackhawk Supply
QOC40UF | LOAD CENTER COVER QO | Square D
Brand: Square D
SKU: QOC40UF
$48.88 each
View Details Square D NF277PSG3 Powerlink G3 Power Supply, 277 VAC, for mounting in the Powerlink panelboard. Takes up the top 3 circuit breaker spaces on the left. | Blackhawk Supply
NF277PSG3 | Powerlink G3 Power Supply, 277 VAC, for mounting in the Powerlink panelboard. Takes up the top 3 circuit breaker spaces on the left. | Square D by Schneider Electric
Brand: Square D
SKU: NF277PSG3
$878.54 each
View Details Square D M9F23340 Multi 9 C60SP, Miniature circuit-breaker 3P, 40 A, D Curve, 480Y/277 V, 5 kA, UL 1077 | Blackhawk Supply
M9F23340 | Multi 9 C60SP, Miniature circuit-breaker 3P, 40 A, D Curve, 480Y / 277 V, 5 kA, UL 1077 | Square D by Schneider Electric
Brand: Square D
SKU: M9F23340
$215.24 each
View Details Square D M9F42315 Multi 9-C60BP MCB, 3P, 15 A, C Curve, 480Y/277 V,10 kA, UL 489 | Blackhawk Supply
M9F42315 | Multi 9-C60BP MCB, 3P, 15 A, C Curve, 480Y / 277 V, 10 kA, UL 489 | Square D by Schneider Electric
Brand: Square D
SKU: M9F42315
$247.95 each
View Details Square D M9F22350 Multi 9 C60SP Miniature circuit-breaker, 3P, 50 A, C Curve, 480Y/277 V, 5 kA, UL 1077 | Blackhawk Supply
M9F22350 | Multi 9 C60SP Miniature circuit-breaker, 3P, 50 A, C Curve, 480Y / 277 V, 5 kA, UL 1077 | Square D by Schneider Electric
Brand: Square D
SKU: M9F22350
$224.71 each
View Details Square D LS1D30 TeSys fuse-disconnector, 3P, 30 A, Fuse size 0.41 x 1.5 in, Screw type | Blackhawk Supply
LS1D30 | TeSys fuse-disconnector, 3P, 30 A, Fuse size 0.41 x 1.5 in, Screw type | Square D by Schneider Electric
Brand: Square D
SKU: LS1D30
$71.31 each
View Details Square D M9F42206 Multi 9-C60BP MCB, 2P, 6 A, C Curve, 480Y/277 V,10 kA, UL 489 | Blackhawk Supply
M9F42206 | Multi 9-C60BP MCB, 2P, 6 A, C Curve, 480Y / 277 V, 10 kA, UL 489 | Square D by Schneider Electric
Brand: Square D
SKU: M9F42206
$171.48 each
View Details Square D HOM2100 MINIATURE CIRCUIT BREAKER, 2P, 120/240V 100A | Blackhawk Supply
HOM2100 | MINIATURE CIRCUIT BREAKER, 2P, 120 / 240V 100A | Square D
Brand: Square D
SKU: HOM2100
$64.26 each
View Details Square D HJL36030M71 MOTOR CIRCUIT PROTECTOR 600V 30A | Blackhawk Supply
HJL36030M71 | MOTOR CIRCUIT PROTECTOR 600V 30A | Square D by Schneider Electric
Brand: Square D
SKU: HJL36030M71
$975.42 each
View Details Square D GVAU116 TeSys GV2/GV3 Undervoltage Trip, 110-115V AC 60 Hz | Blackhawk Supply
GVAU116 | TeSys GV2 / GV3 Undervoltage Trip, 110-115V AC 60 Hz | Square D by Schneider Electric
Brand: Square D
SKU: GVAU116
$81.81 each
View Details Square D GV2P20 TeSys GV2 Motor Circuit Breaker, Thermal Magnetic, 3-Pole, 18A, 690VAC, Screw Clamp Terminals, IP20 | Blackhawk Supply
GV2P20 | TeSys GV2 Motor Circuit Breaker, Thermal Magnetic, 3-Pole, 18A, 690VAC, Screw Clamp Terminals, IP20 | Square D by Schneider Electric
Brand: Square D
SKU: GV2P20
$281.30 each
View Details Square D GV2P16 TeSys GV2 Motor Circuit Breaker, Thermal Magnetic, 3-Pole, 14A, 690VAC, Screw Clamp Terminals, IP20 | Blackhawk Supply
GV2P16 | TeSys GV2 Motor Circuit Breaker, Thermal Magnetic, 3-Pole, 14A, 690VAC, Screw Clamp Terminals, IP20 | Square D by Schneider Electric
Brand: Square D
SKU: GV2P16
$281.30 each
View Details Square D EDB34070 Miniature Circuit Breaker, 70A, 3-Pole, 480Y/277V AC, 18/25kA, Bolt-on Mount | Blackhawk Supply
EDB34070 | Miniature Circuit Breaker, 70A, 3-Pole, 480Y / 277V AC, 18 / 25kA, Bolt-on Mount | Square D by Schneider Electric
Brand: Square D
SKU: EDB34070
$360.71 each
View Details Schneider Electric EMFP2 Fuse Pack | Dual | 1/2A | 600VAC | Slow-Blow | Blackhawk Supply
EMFP2 | Fuse Pack | Dual | 1 / 2A | 600VAC | Slow-Blow | Schneider Electric
Brand: Schneider Electric
SKU: EMFP2
$139.29 each
View Details Square D EDB34060 Miniature Circuit Breaker, 60A, 3-Pole, 480Y/277V AC, 18/25kA, Bolt-on Mount | Blackhawk Supply
EDB34060 | Miniature Circuit Breaker, 60A, 3-Pole, 480Y / 277V AC, 18 / 25kA, Bolt-on Mount | Square D by Schneider Electric
Brand: Square D
SKU: EDB34060
$265.30 each
View Details Square D BDL36030 PowerPact B Circuit Breaker, 30A, 3P, 600Y/347V AC, 14kA at 600Y/347 UL EverLink | Blackhawk Supply
BDL36030 | PowerPact B Circuit Breaker, 30A, 3P, 600Y / 347V AC, 14kA at 600Y / 347 UL EverLink | Square D by Schneider Electric
Brand: Square D
SKU: BDL36030
$750.98 each
View Details Square D 9080LBA364108 POWER DISTRIBUTION BLOCK 600V 335A | Blackhawk Supply
9080LBA364108 | POWER DISTRIBUTION BLOCK 600V 335A | Square D by Schneider Electric
Brand: Square D
SKU: 9080LBA364108
$125.91 each
View Details Square D 9080FB3621J TERMINAL BLOCK FUSEHOLDER 600V 60A | Blackhawk Supply
9080FB3621J | TERMINAL BLOCK FUSEHOLDER 600V 60A | Square D by Schneider Electric
Brand: Square D
SKU: 9080FB3621J
$58.87 each
View Details Square D 8502SDO2V02S Class 8502 Type S Magnetic Contactor, Not Rated, 45A, 3-Poles, 110 VAC 50HZ, 120 VAC 60Hz, Non-Reversing | Blackhawk Supply
8502SDO2V02S | Class 8502 Type S Magnetic Contactor, Not Rated, 45A, 3-Poles, 110 VAC 50HZ, 120 VAC 60Hz, Non-Reversing | Square D by Schneider Electric
Brand: Square D
SKU: 8502SDO2V02S
$854.00 each
Type
Amperage
Amps
Application
Communication
Current Core
Current Measurement Accuracy
Current Measurement Range
Current Sensor Type
Dimensions
Display Type
Frequency Rating
Housing
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
VFD Horsepower
VFD Phase
Voltage
Warranty
category
subcategory
Committed to customer satisfaction
as experts in Circuit Protection
(847) 773-0645
Recently Viewed

Popular Products

View all →
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
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
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
$111.82 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
$232.50 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
$445.05 each
Belimo B225+LF24 US CCV | 1" | 2 Way | 30 Cv | w/ Spg Rtn | 24V | On/Off | Blackhawk Supply
B225+LF24 US | CCV | 1" | 2 Way | 30 Cv | w/ Spg Rtn | 24V | On/Off | Belimo
Brand: Belimo
SKU: B225+LF24 US
$395.10 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
$115.32 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.