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 S29370 Circuit breaker accessory, PowerPacT, padlock handle, removable, lock OFF only | Blackhawk Supply
S29370 | Circuit breaker accessory, PowerPacT, padlock handle, removable, lock OFF only | Square D
Brand: Square D
SKU: S29370
$39.15 each
View Details Square D QOU350 Mini circuit breaker, QOU, 50A, 3 pole, 240VAC, 10kA | Blackhawk Supply
QOU350 | Mini circuit breaker, QOU, 50A, 3 pole, 240VAC, 10kA | Square D
Brand: Square D
SKU: QOU350
$123.19 each
View Details Square D QOB125 Mini circuit breaker, QO, 25A, 1 pole, 120/240VAC, 10kA, bolt on mount | Blackhawk Supply
QOB125 | Mini circuit breaker, QO, 25A, 1 pole, 120 / 240VAC, 10kA, bolt on mount | Square D
Brand: Square D
SKU: QOB125
$30.04 each
View Details Square D QO312L125G Load center, QO, 3 phase, 12 spaces, 12 circuits, 125A fixed main lugs, NEMA1, gnd bar, UL | Blackhawk Supply
QO312L125G | Load center, QO, 3 phase, 12 spaces, 12 circuits, 125A fixed main lugs, NEMA1, gnd bar, UL | Square D
Brand: Square D
SKU: QO312L125G
$301.73 each
View Details Square D QO142M200P Load center, QO, 1 phase, 42 spaces, 52 circuits, 200A convertible main breaker, PoN, NEMA1, UL | Blackhawk Supply
QO142M200P | Load center, QO, 1 phase, 42 spaces, 52 circuits, 200A convertible main breaker, PoN, NEMA1, UL | Square D
Brand: Square D
SKU: QO142M200P
$532.58 each
View Details Square D QO130L200PGRB Load center, QO, 1 phase, 30 spaces, 30 circuits, 200A convertible main lugs, PoN, NEMA3R, gnd bar, UL | Blackhawk Supply
QO130L200PGRB | Load center, QO, 1 phase, 30 spaces, 30 circuits, 200A convertible main lugs, PoN, NEMA3R, gnd bar, UL | Square D
Brand: Square D
SKU: QO130L200PGRB
$310.50 each
View Details Square D QO2175 Mini circuit breaker, QO, 175A, 2 pole, 120/240VAC, 10kA, plug in mount | Blackhawk Supply
QO2175 | Mini circuit breaker, QO, 175A, 2 pole, 120 / 240VAC, 10kA, plug in mount | Square D
Brand: Square D
SKU: QO2175
$272.36 each
View Details Square D QO112L125PG Load center, QO, 1 phase, 12 spaces, 12 circuits, 125A convertible main lugs, PoN, NEMA1, gnd bar, UL | Blackhawk Supply
QO112L125PG | Load center, QO, 1 phase, 12 spaces, 12 circuits, 125A convertible main lugs, PoN, NEMA1, gnd bar, UL | Square D
Brand: Square D
SKU: QO112L125PG
$71.55 each
View Details Square D QDL22200 Circuit breaker, PowerPact Q, unit mount, thermal magnetic, 200A, 2 pole, 240VAC, 25kA | Blackhawk Supply
QDL22200 | Circuit breaker, PowerPact Q, unit mount, thermal magnetic, 200A, 2 pole, 240VAC, 25kA | Square D
Brand: Square D
SKU: QDL22200
$630.45 each
View Details Square D QDL32200 Circuit breaker, PowerPact Q, unit mount, thermal magnetic, 200A, 3 pole, 240VAC, 25kA | Blackhawk Supply
QDL32200 | Circuit breaker, PowerPact Q, unit mount, thermal magnetic, 200A, 3 pole, 240VAC, 25kA | Square D
Brand: Square D
SKU: QDL32200
$828.56 each
View Details Square D PQ3606GM54 Busway I-Line Fusible Plug-in Unit,3P, 60A, 600V, IP54 | Blackhawk Supply
PQ3606GM54 | Busway I-Line Fusible Plug-in Unit, 3P, 60A, 600V, IP54 | Square D
Brand: Square D
SKU: PQ3606GM54
$2,322.68 each
View Details Square D PBQ4060RMK I-LINE II BUSWAY PLUG-IN UNIT MOUNTING KIT | Blackhawk Supply
PBQ4060RMK | I-LINE II BUSWAY PLUG-IN UNIT MOUNTING KIT | Square D
Brand: Square D
SKU: PBQ4060RMK
$486.68 each
View Details Senva Sensors CALGAS-FNO2 29L 10PPM NO2, C-10 VALVE, 500PSI, BALANCE NITROGEN | Blackhawk Supply
CALGAS-FNO2 | 29L 10PPM NO2, C-10 VALVE, 500PSI, BALANCE NITROGEN | Senva Sensors
Brand: Senva Sensors
SKU: CALGAS-FNO2
$577.99 each
View Details Senva Sensors CT-F36 METERING DI/DT ROGOWSKI COIL 36" COIL, 3M LEADS | Blackhawk Supply
CT-F36 | METERING DI / DT ROGOWSKI COIL 36" COIL, 3M LEADS | Senva Sensors
Brand: Senva Sensors
SKU: CT-F36
$288.99 each
View Details Square D M9F42350 Miniature circuit breaker (MCB), Multi9 C60BP, 3P, 50A, C curve, 10kA (UL489), 10kA (IEC/EN 60947-2) | Blackhawk Supply
M9F42350 | Miniature circuit breaker (MCB), Multi9 C60BP, 3P, 50A, C curve, 10kA (UL489), 10kA (IEC / EN 60947-2) | Square D
Brand: Square D
SKU: M9F42350
$277.09 each
View Details Square D NC50F Enclosure cover, NQ and NF panelboards, NEMA 1, flush, 20in W x 50in H | Blackhawk Supply
NC50F | Enclosure cover, NQ and NF panelboards, NEMA 1, flush, 20in W x 50in H | Square D
Brand: Square D
SKU: NC50F
$332.44 each
View Details Square D NC80VS Enclosure cover, NQ and NF panelboards, NEMA 1, surface, ventilated, 20in W x 80in H | Blackhawk Supply
NC80VS | Enclosure cover, NQ and NF panelboards, NEMA 1, surface, ventilated, 20in W x 80in H | Square D
Brand: Square D
SKU: NC80VS
$360.11 each
View Details Square D M9F21202 Miniature circuit breaker (MCB), Multi9 C60SP, 2P, 2A, B curve, 10kA (UL1077), 10kA (IEC/EN 60947-2) | Blackhawk Supply
M9F21202 | Miniature circuit breaker (MCB), Multi9 C60SP, 2P, 2A, B curve, 10kA (UL1077), 10kA (IEC / EN 60947-2) | Square D
Brand: Square D
SKU: M9F21202
$155.25 each
View Details Square D M9F42201 Miniature circuit breaker (MCB), Multi9 C60BP, 2P, 1A, C curve, 10kA (UL489), 10kA (IEC/EN 60947-2) | Blackhawk Supply
M9F42201 | Miniature circuit breaker (MCB), Multi9 C60BP, 2P, 1A, C curve, 10kA (UL489), 10kA (IEC / EN 60947-2) | Square D
Brand: Square D
SKU: M9F42201
$200.48 each
View Details Square D M9F43106 Miniature circuit breaker (MCB), Multi9 C60BP, 1P, 6A, D curve, 14kA (UL489), 10kA (IEC/EN 60947-2) | Blackhawk Supply
M9F43106 | Miniature circuit breaker (MCB), Multi9 C60BP, 1P, 6A, D curve, 14kA (UL489), 10kA (IEC / EN 60947-2) | Square D
Brand: Square D
SKU: M9F43106
$84.71 each
View Details Square D M9F52208 Miniature circuit breaker (MCB), Multi9 C60BPR, 2P, 8A, C curve, 10kA (UL489), 10kA (IEC/EN 60947-2) | Blackhawk Supply
M9F52208 | Miniature circuit breaker (MCB), Multi9 C60BPR, 2P, 8A, C curve, 10kA (UL489), 10kA (IEC / EN 60947-2) | Square D
Brand: Square D
SKU: M9F52208
$194.40 each
View Details Square D M9F42150 Miniature circuit breaker (MCB), Multi9 C60BP, 1P, 50A, C curve, 10kA (UL489), 10kA (IEC/EN 60947-2) | Blackhawk Supply
M9F42150 | Miniature circuit breaker (MCB), Multi9 C60BP, 1P, 50A, C curve, 10kA (UL489), 10kA (IEC / EN 60947-2) | Square D
Brand: Square D
SKU: M9F42150
$89.44 each
View Details Square D M9F42215 Miniature circuit breaker (MCB), Multi9 C60BP, 2P, 15A, C curve, 10kA (UL489), 10kA (IEC/EN 60947-2) | Blackhawk Supply
M9F42215 | Miniature circuit breaker (MCB), Multi9 C60BP, 2P, 15A, C curve, 10kA (UL489), 10kA (IEC / EN 60947-2) | Square D
Brand: Square D
SKU: M9F42215
$183.60 each
View Details Square D M9F43302 Miniature circuit breaker (MCB), Multi9 C60BP, 3P, 2A, D curve, 10kA (UL489), 10kA (IEC/EN 60947-2) | Blackhawk Supply
M9F43302 | Miniature circuit breaker (MCB), Multi9 C60BP, 3P, 2A, D curve, 10kA (UL489), 10kA (IEC / EN 60947-2) | Square D
Brand: Square D
SKU: M9F43302
$288.23 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 →
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
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
$240.94 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
$119.06 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
$482.85 each
Siemens GCA161.1U Damper Actuator | Spring Return | 24 VAC/DC | 0-10 Vdc | 160 lb-in | Blackhawk Supply
GCA161.1U | Damper Actuator | Spring Return | 24 VAC/DC | 0-10 Vdc | 160 lb-in | Siemens
Brand: Siemens
SKU: GCA161.1U
$358.36 each
Belimo S2A Auxiliary switch | 2x SPDT | 3A (0.5A inductive) @ 250 VAC max. | Blackhawk Supply
S2A | Auxiliary switch | 2x SPDT | 3A (0.5A inductive) @ 250 VAC max. | Belimo
Brand: Belimo
SKU: S2A
$114.75 each
Square D SDSA2040 SPD T1 SDSA 40KA 120/208V 3P4W | Blackhawk Supply
SDSA2040 | SPD T1 SDSA 40KA 120/208V 3P4W | Square D
Brand: Square D
SKU: SDSA2040
$187.99 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.