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 GS2AH110 TeSys GS - Black External Frontal Rotary Handle - for Switch Disc 30 A UL | Blackhawk Supply
GS2AH110 | TeSys GS - Black External Frontal Rotary Handle - for Switch Disc 30 A UL | Square D
Brand: Square D
SKU: GS2AH110
$68.18 each
View Details Square D EDB14020 Miniature Circuit Breaker, 20A, 1-Pole, 277V, 18/25kA, Bolt-on Mount | Blackhawk Supply
EDB14020 | Miniature Circuit Breaker, 20A, 1-Pole, 277V, 18 / 25kA, Bolt-on Mount | Square D
Brand: Square D
SKU: EDB14020
$63.79 each
View Details Square D EDB34050 Miniature Circuit Breaker, 50A, 3-Pole, 480Y/277V AC, 18/25kA, Bolt-on Mount | Blackhawk Supply
EDB34050 | Miniature Circuit Breaker, 50A, 3-Pole, 480Y / 277V AC, 18 / 25kA, Bolt-on Mount | Square D
Brand: Square D
SKU: EDB34050
$283.84 each
View Details Square D ECB34020G3 Powerlink G3 Controllable Circuit Breaker, 480 VAC, 20 Amp, 3 Pole | Blackhawk Supply
ECB34020G3 | Powerlink G3 Controllable Circuit Breaker, 480 VAC, 20 Amp, 3 Pole | Square D
Brand: Square D
SKU: ECB34020G3
$1,011.15 each
View Details Square D ECB24030G3 Powerlink G3 Controllable Circuit Breaker, 480 VAC, 30 Amp, 2 Pole | Blackhawk Supply
ECB24030G3 | Powerlink G3 Controllable Circuit Breaker, 480 VAC, 30 Amp, 2 Pole | Square D
Brand: Square D
SKU: ECB24030G3
$633.83 each
View Details Square D EDB34015 Miniature Circuit Breaker, 15A, 3-Pole, 480Y/277V AC, 18/25kA, Bolt-on Mount | Blackhawk Supply
EDB34015 | Miniature Circuit Breaker, 15A, 3-Pole, 480Y / 277V AC, 18 / 25kA, Bolt-on Mount | Square D
Brand: Square D
SKU: EDB34015
$447.53 each
View Details Square D EDB34040 Miniature Circuit Breaker, 40A, 3-Pole, 480Y/277V AC, 18/25kA, Bolt-on Mount | Blackhawk Supply
EDB34040 | Miniature Circuit Breaker, 40A, 3-Pole, 480Y / 277V AC, 18 / 25kA, Bolt-on Mount | Square D
Brand: Square D
SKU: EDB34040
$283.84 each
View Details Square D EDB14015 Miniature Circuit Breaker, 15A, 1-Pole, 277V, 18/25kA, Bolt-on Mount | Blackhawk Supply
EDB14015 | Miniature Circuit Breaker, 15A, 1-Pole, 277V, 18 / 25kA, Bolt-on Mount | Square D
Brand: Square D
SKU: EDB14015
$117.79 each
View Details Square D EDB34020 Miniature Circuit Breaker, 20A, 3-Pole, 480Y/277V AC, 18/25kA, Bolt-on Mount | Blackhawk Supply
EDB34020 | Miniature Circuit Breaker, 20A, 3-Pole, 480Y / 277V AC, 18 / 25kA, Bolt-on Mount | Square D
Brand: Square D
SKU: EDB34020
$283.84 each
View Details Square D EDB34100 Miniature Circuit Breaker, 100A, 3-Pole, 480Y/277V AC, 18/25kA, Bolt-on Mount | Blackhawk Supply
EDB34100 | Miniature Circuit Breaker, 100A, 3-Pole, 480Y / 277V AC, 18 / 25kA, Bolt-on Mount | Square D
Brand: Square D
SKU: EDB34100
$386.10 each
View Details Square D BDL36050 PowerPact circuit breaker, 50A, 3P AC, 14kA at 600Y/347V (UL), Everlink Lug | Blackhawk Supply
BDL36050 | PowerPact circuit breaker, 50A, 3P AC, 14kA at 600Y / 347V (UL), Everlink Lug | Square D
Brand: Square D
SKU: BDL36050
$826.20 each
View Details Square D 9080LBA365112 POWER DISTRIBUTION BLOCK 600V 380A | Blackhawk Supply
9080LBA365112 | POWER DISTRIBUTION BLOCK 600V 380A | Square D
Brand: Square D
SKU: 9080LBA365112
$224.44 each
View Details Schneider Electric AD-8969-206 ELECTRONIC ACC IA - 11K SHUNT RESISTOR FOR 4-20MA UNIV. INPU | Blackhawk Supply
AD-8969-206 | ELECTRONIC ACC IA - 11K SHUNT RESISTOR FOR 4-20MA UNIV. INPU | Schneider Electric
Brand: Schneider Electric
SKU: AD-8969-206
$19.39 each
View Details Schneider Electric AE-630-101 Sub-Panel For AE-630 | Blackhawk Supply
AE-630-101 | Sub-Panel For AE-630 | Schneider Electric (OBSOLETE)
Brand: Schneider Electric
SKU: AE-630-101
View Details
View Details Square D 9080GCB100 CIRCUIT PROTECTOR 250V 10A TYPE NEMA | Blackhawk Supply
9080GCB100 | CIRCUIT PROTECTOR 250V 10A TYPE NEMA | Square D
Brand: Square D
SKU: 9080GCB100
$75.22 each
View Details Square D 9080GCB20 CIRCUIT PROTECTOR 250V 2A TYPE NEMA | Blackhawk Supply
9080GCB20 | CIRCUIT PROTECTOR 250V 2A TYPE NEMA | Square D
Brand: Square D
SKU: 9080GCB20
$75.22 each
View Details Square D 9421LH3 DCB Handle Assembly | Blackhawk Supply
9421LH3 | DCB Handle Assembly | Square D
Brand: Square D
SKU: 9421LH3
$227.81 each
View Details Square D 9080GCB30 Thermal-magnetic Circuit Protector, 3A, 1-Pole, 250V AC 65V DC, Box Lugs | Blackhawk Supply
9080GCB30 | Thermal-magnetic Circuit Protector, 3A, 1-Pole, 250V AC 65V DC, Box Lugs | Square D
Brand: Square D
SKU: 9080GCB30
$75.22 each
View Details Square D 9422CSF10 OPERATING MECHANISM CABLE MECHANISM NEMA | Blackhawk Supply
9422CSF10 | OPERATING MECHANISM CABLE MECHANISM NEMA | Square D
Brand: Square D
SKU: 9422CSF10
$433.35 each
View Details Square D 9422CMP10 CABLE OPERATING MECHANISM NEMA | Blackhawk Supply
9422CMP10 | CABLE OPERATING MECHANISM NEMA | Square D
Brand: Square D
SKU: 9422CMP10
$1,070.55 each
View Details Square D 8502SCO2V08 Class 8502 Type S Magnetic Contactor, Not Rated, 27A, 3-Poles, 208 VAC 60Hz, Non-Reversing | Blackhawk Supply
8502SCO2V08 | Class 8502 Type S Magnetic Contactor, Not Rated, 27A, 3-Poles, 208 VAC 60Hz, Non-Reversing | Square D
Brand: Square D
SKU: 8502SCO2V08
$516.71 each
View Details Saginaw SCE-MDV400 Kit, Mechanical Defeater 400amp | Blackhawk Supply
SCE-MDV400 | Kit, Mechanical Defeater 400amp | Saginaw
Brand: Saginaw
SKU: SCE-MDV400
$67.99 each
View Details KMC HPO-0070 Accessory: Transient Board, 12 Output | Blackhawk Supply
HPO-0070 | Accessory: Transient Board, 12 Output | KMC
Brand: KMC
SKU: HPO-0070
$191.60 each
View Details KMC HPO-0066 Accessory: Surge Protector Module | Blackhawk Supply
HPO-0066 | Accessory: Surge Protector Module | KMC
Brand: KMC
SKU: HPO-0066
$1,113.95 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 →
Ultravation AS-IH-1013-1 10" UVC Lamp | Blackhawk Supply
AS-IH-1013-1 | 10" UVC Lamp | Ultravation
Brand: Ultravation
SKU: AS-IH-1013-1
$102.99 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
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
$335.70 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
$167.46 each
Viconics VT8650U5000B Roof Top & Heat Pump Unit Controller w/ IAQ, Economizer, Humidity & Scheduling | Blackhawk Supply
VT8650U5000B | Roof Top & Heat Pump Unit Controller w/ IAQ, Economizer, Humidity & Scheduling | Viconics
Brand: Viconics
SKU: VT8650U5000B
$412.20 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
$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
KMC BAC-5051AE Router: BACnet, IP/Dual Enet/Single MSTP | Blackhawk Supply
BAC-5051AE | Router: BACnet, IP/Dual Enet/Single MSTP | KMC
Brand: KMC
SKU: BAC-5051AE
$471.41 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.