circuit protection

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View Details 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
View Details Square D HOMT230250 Miniature Breaker, Homeline, Quad, 120/240V, 10kA, 30/50A, UL Listed | Blackhawk Supply
HOMT230250 | Miniature Breaker, Homeline, Quad, 120 / 240V, 10kA, 30 / 50A, UL Listed | Square D
Brand: Square D
SKU: HOMT230250
$54.00 each
View Details Square D HOMT230230 Miniature Breaker Homeline, Quad, 120/240V, 10kA, 30/30A, UL Listed | Blackhawk Supply
HOMT230230 | Miniature Breaker Homeline, Quad, 120 / 240V, 10kA, 30 / 30A, UL Listed | Square D
Brand: Square D
SKU: HOMT230230
$54.00 each
View Details Square D QO2225SL CIRCUIT BREAKER SUB-FEED LUG | Blackhawk Supply
QO2225SL | CIRCUIT BREAKER SUB-FEED LUG | Square D
Brand: Square D
SKU: QO2225SL
$174.15 each
View Details Functional Devices RIBXGTF Enclosed Split-Core AC Sensor, .35-150Amp, fixed, terminals | Blackhawk Supply
RIBXGTF | Enclosed Split-Core AC Sensor, .35-150Amp, fixed, terminals | Functional Devices
Brand: Functional Devices
SKU: RIBXGTF
$28.20 each
View Details Square D URTRS213B METER SOCKET RING TYPE OH/UG 200A | Blackhawk Supply
URTRS213B | METER SOCKET RING TYPE OH / UG 200A | Square D
Brand: Square D
SKU: URTRS213B
$170.10 each
View Details Veris H971 Current Sensor | DC | Split | 0-200A | Pulse Reset | Bi-Directional | Blackhawk Supply
H971 | Current Sensor | DC | Split | 0-200A | Pulse Reset | Bi-Directional | Veris
Brand: Veris
SKU: H971
$173.48 each
View Details Square D MA4IMA12 Surge Protection Module, IMA, 120kA, 480Y/277V AC, 3-Phase, 4-Wire, NEMA 2 | Blackhawk Supply
MA4IMA12 | Surge Protection Module, IMA, 120kA, 480Y / 277V AC, 3-Phase, 4-Wire, NEMA 2 | Square D
Brand: Square D
SKU: MA4IMA12
$560.17 each
View Details Square D MA4IMA16 Surge Protection Module, IMA, 160kA, 480Y/277V AC, 3-Phase, 4-Wire, NEMA 2 | Blackhawk Supply
MA4IMA16 | Surge Protection Module, IMA, 160kA, 480Y / 277V AC, 3-Phase, 4-Wire, NEMA 2 | Square D (OBSOLETE)
Brand: Square D
SKU: MA4IMA16
View Details
View Details Square D HOMT230240 Quad tandem mini circuit breaker, Homeline, 1 x 2 pole at 30A, 1 x 2 pole at 40A, 120/240 VAC, 10 kA AIR, plug in mount | Blackhawk Supply
HOMT230240 | Quad tandem mini circuit breaker, Homeline, 1 x 2 pole at 30A, 1 x 2 pole at 40A, 120 / 240 VAC, 10 kA AIR, plug in mount | Square D
Brand: Square D
SKU: HOMT230240
$54.00 each
View Details Square D HOMT220220 Quad tandem mini circuit breaker, Homeline, 2 x 2 pole at 20A, 120/240 VAC, 10 kA AIR, plug in mount | Blackhawk Supply
HOMT220220 | Quad tandem mini circuit breaker, Homeline, 2 x 2 pole at 20A, 120 / 240 VAC, 10 kA AIR, plug in mount | Square D
Brand: Square D
SKU: HOMT220220
$54.00 each
View Details Square D MA4IMA241 Surge mod IMA, 240kA, 480Y/277VAC, 3P4W, T1, CSA | Blackhawk Supply
MA4IMA241 | Surge mod IMA, 240kA, 480Y / 277VAC, 3P4W, T1, CSA | Square D (OBSOLETE)
Brand: Square D
SKU: MA4IMA241
View Details
View Details Square D QBP22200TM PowerPact Q Molded Case Circuit Breaker, 200A, 240V AC, 2-Pole, 10kA | Blackhawk Supply
QBP22200TM | PowerPact Q Molded Case Circuit Breaker, 200A, 240V AC, 2-Pole, 10kA | Square D
Brand: Square D
SKU: QBP22200TM
$263.93 each
View Details Square D HOM3060M200PRBVP Homeline, LC, 200 A, 120/240 V, 1 PH, MB, PoN, 30 SP, N3R, surf, VP | Blackhawk Supply
HOM3060M200PRBVP | Homeline, LC, 200 A, 120 / 240 V, 1 PH, MB, PoN, 30 SP, N3R, surf, VP | Square D
Brand: Square D
SKU: HOM3060M200PRBVP
$361.46 each
View Details Square D SDSA2040D SDSA Surge Protective Device, 240 V Delta, 3-phase, 3-wire | Blackhawk Supply
SDSA2040D | SDSA Surge Protective Device, 240 V Delta, 3-phase, 3-wire | Square D
Brand: Square D
SKU: SDSA2040D
$257.85 each
View Details ACI A/SCTA2-50 Current Sensor (Split Core) | Loop Powered | 4-20 mA Average Output | Jumper Selectable Range: 0-10 | 0-20 | 0-50A | Blackhawk Supply
A / SCTA2-50 | Current Sensor (Split Core) | Loop Powered | 4-20 mA Average Output | Jumper Selectable Range: 0-10 | 0-20 | 0-50A | ACI
Brand: ACI
SKU: A/SCTA2-50
$89.44 each
View Details Square D HOM230GFI MINIATURE CIRCUIT BREAKER, 2P, 120/240V, 30A | Blackhawk Supply
HOM230GFI | MINIATURE CIRCUIT BREAKER, 2P, 120 / 240V, 30A | Square D
Brand: Square D
SKU: HOM230GFI
$185.63 each
View Details Square D MA4IMA161 Surge protection module, Surgelogic, MA, 160kA, 480Y/277VAC, 3 phase, 4 wire, SPD type 1 | Blackhawk Supply
MA4IMA161 | Surge protection module, Surgelogic, MA, 160kA, 480Y / 277VAC, 3 phase, 4 wire, SPD type 1 | Square D
Brand: Square D
SKU: MA4IMA161
$630.34 each
View Details Square D QOM2200MM Main breaker, QO, 200A, 2 pole, 120/240 VAC, 10 kA, bolt on mount, for metering devices | Blackhawk Supply
QOM2200MM | Main breaker, QO, 200A, 2 pole, 120 / 240 VAC, 10 kA, bolt on mount, for metering devices | Square D
Brand: Square D
SKU: QOM2200MM
$316.24 each
View Details Square D SDSA4040D SDSA Surge Protective Device, 480 V Delta, 3-phase, 3-wire | Blackhawk Supply
SDSA4040D | SDSA Surge Protective Device, 480 V Delta, 3-phase, 3-wire | Square D
Brand: Square D
SKU: SDSA4040D
$257.85 each
View Details Square D HOMC30UC Homeline, Load Center cover replacement, 30 spaces | Blackhawk Supply
HOMC30UC | Homeline, Load Center cover replacement, 30 spaces | Square D
Brand: Square D
SKU: HOMC30UC
$124.88 each
View Details Square D PK4NVL Door Lock, I-Line,QMB, NQOD, NQO, NQOB, NF Panelboards series E1, NEMA 3R/12 | Blackhawk Supply
PK4NVL | Door Lock, I-Line, QMB, NQOD, NQO, NQOB, NF Panelboards series E1, NEMA 3R / 12 | Square D
Brand: Square D
SKU: PK4NVL
$131.29 each
View Details Square D J250R Circuit breaker enclosure, PowerPacT H/J, 15A to 250A, NEMA 3R, 14.47in W x 31.05in H x 6.28in D | Blackhawk Supply
J250R | Circuit breaker enclosure, PowerPacT H / J, 15A to 250A, NEMA 3R, 14.47in W x 31.05in H x 6.28in D | Square D
Brand: Square D
SKU: J250R
$374.96 each
View Details Veris H723LC Current Sensor | Solid | 0-10/20/40A | 10V | Blackhawk Supply
H723LC | Current Sensor | Solid | 0-10 / 20 / 40A | 10V | Veris
Brand: Veris
SKU: H723LC
$50.98 each
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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
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Poles
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Size
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SubType
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category
subcategory

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Electrical Circuit Protection

Keep your systems safe and compliant with Blackhawk Supply's electrical circuit protection products. This range of offerings features components designed to guard against overloads, surges, faults and safety hazards in residential, commercial and industrial applications. 

Our extensive circuit protection product lineup includes:

Well-coordinated circuit protection enhances system reliability and extends component life by preventing fires, equipment damage, and electrical hazards. 

Protect what powers your operation. Shop Blackhawk Supply's electrical circuit protection range today.

Check out other electrical supplies and products like:

 

 

Committed to customer satisfaction
as experts in Circuit Protection
(847) 773-0645
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Popular Products

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Belimo NMB24-SR Damper Actuator | 90 in-lb | Non-Spg Rtn | 24V | Modulating | Blackhawk Supply
NMB24-SR | Damper Actuator | 90 in-lb | Non-Spg Rtn | 24V | Modulating | Belimo
Brand: Belimo
SKU: NMB24-SR
$277.20 each
Belimo ZS-CCV-90 CCV Weather Shield Kit AF/NF/LF | Blackhawk Supply
ZS-CCV-90 | CCV Weather Shield Kit AF/NF/LF | Belimo
Brand: Belimo
SKU: ZS-CCV-90
$196.20 each
Johnson Controls A421AEC-02C Single Stage Temp Controller with Sensor, 120/240VAC, NEMA4X, 6' 7" lead, -40 to 212F, HTG/CLG | Blackhawk Supply
A421AEC-02C | Single Stage Temp Controller with Sensor, 120/240VAC, NEMA4X, 6' 7" lead, -40 to 212F, HTG/CLG | Johnson Controls
Brand: Johnson Controls
SKU: A421AEC-02C
$181.63 each
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
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