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 SDSA4040 Surge Protect - 40kA, 480Y/277VAC, 3P4W, T4X | Blackhawk Supply
SDSA4040 | Surge Protect - 40kA, 480Y / 277VAC, 3P4W, T4X | Square D
Brand: Square D
SKU: SDSA4040
$240.87 each
View Details Square D HOMT220230 Quad tandem mini circuit breaker, Homeline, 1 x 2 pole at 20A, 1 x 2 pole at 30A, 120/240 V, 10 kA AIR, plug in mount | Blackhawk Supply
HOMT220230 | Quad tandem mini circuit breaker, Homeline, 1 x 2 pole at 20A, 1 x 2 pole at 30A, 120 / 240 V, 10 kA AIR, plug in mount | Square D
Brand: Square D
SKU: HOMT220230
$50.46 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
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
$340.83 each
View Details Square D SDSA3650D SURGE SUPPRESSOR, 40KA, 600V | Blackhawk Supply
SDSA3650D | SURGE SUPPRESSOR, 40KA, 600V | Square D
Brand: Square D
SKU: SDSA3650D
$182.13 each
View Details Veris H11D Current Switch | Split Core | Auto Set | LCD Display | Blackhawk Supply
H11D | Current Switch | Split Core | Auto Set | LCD Display | Veris
Brand: Veris
SKU: H11D
$76.94 each
View Details Square D QO330GFI MINIATURE CIRCUIT BREAKER, QO, 30 A, 3P, 208Y/120 V, 10 kA, Plug in, GFI | Blackhawk Supply
QO330GFI | MINIATURE CIRCUIT BREAKER, QO, 30 A, 3P, 208Y / 120 V, 10 kA, Plug in, GFI | Square D by Schneider Electric
Brand: Square D
SKU: QO330GFI
$562.14 each
View Details Veris H723HC Current Sensor | Sol | 0-50/100/200A | 10V | Blackhawk Supply
H723HC | Current Sensor | Sol | 0-50 / 100 / 200A | 10V | Veris
Brand: Veris
SKU: H723HC
$52.20 each
View Details Square D QO1201021 Mini circuit breaker, QO, 20A, 1 pole, 120/240 VAC, 10 kA, plug in mount, AC shunt trip | Blackhawk Supply
QO1201021 | Mini circuit breaker, QO, 20A, 1 pole, 120 / 240 VAC, 10 kA, plug in mount, AC shunt trip | Square D
Brand: Square D
SKU: QO1201021
$114.72 each
View Details Square D MA1IMA24 IMA MA Module, 120V, 240kA | Blackhawk Supply
MA1IMA24 | IMA MA Module, 120V, 240kA | Square D by Schneider Electric
Brand: Square D
SKU: MA1IMA24
$886.96 each
View Details Veris EA20BB010 Current Xdcr | Split | 100A | 1kVDC | Unipolar | Blackhawk Supply
EA20BB010 | Current Xdcr | Split | 100A | 1kVDC | Unipolar | Veris
Brand: Veris
SKU: EA20BB010
$142.06 each
View Details Square D QOC342MQS Cover, QO, load center, 42 circuits, 3 phases, surface, convertable mains | Blackhawk Supply
QOC342MQS | Cover, QO, load center, 42 circuits, 3 phases, surface, convertable mains | Square D by Schneider Electric
Brand: Square D
SKU: QOC342MQS
$69.38 each
View Details Square D TVS6DSPHC TVSS accessory, display kit, 1 phase, 6 input, horizontal, diagnostic | Blackhawk Supply
TVS6DSPHC | TVSS accessory, display kit, 1 phase, 6 input, horizontal, diagnostic | Square D
Brand: Square D
SKU: TVS6DSPHC
$588.15 each
View Details Square D PK6FL Load center accessory, QO/Homeline, door lock kit, convertible, indoor | Blackhawk Supply
PK6FL | Load center accessory, QO / Homeline, door lock kit, convertible, indoor | Square D
Brand: Square D
SKU: PK6FL
$38.14 each
View Details Square D NQ442L4C NQ Pnlbrd Interior 400A, 3 PH, 4 Wire, 42 CCT, Mn Lug, Cu | Blackhawk Supply
NQ442L4C | NQ Pnlbrd Interior 400A, 3 PH, 4 Wire, 42 CCT, Mn Lug, Cu | Square D
Brand: Square D
SKU: NQ442L4C
$673.70 each
View Details Square D MA1IMA12 Surge mod IMA - 120kA, 120/240VAC, 1P3W, T2, CSA | Blackhawk Supply
MA1IMA12 | Surge mod IMA - 120kA, 120 / 240VAC, 1P3W, T2, CSA | Square D by Schneider Electric
Brand: Square D
SKU: MA1IMA12
$536.91 each
View Details Square D HOMT220250 Quad tandem mini circuit breaker, Homeline, 1 x 2 pole at 20A, 1 x 2 pole at 50A, 120/240 VAC, 10 kA AIR, plug in mount | Blackhawk Supply
HOMT220250 | Quad tandem mini circuit breaker, Homeline, 1 x 2 pole at 20A, 1 x 2 pole at 50A, 120 / 240 VAC, 10 kA AIR, plug in mount | Square D by Schneider Electric
Brand: Square D
SKU: HOMT220250
$50.46 each
View Details Square D QOC20U100F QO LOAD Center QO COVER FLUSH | Blackhawk Supply
QOC20U100F | QO LOAD Center QO COVER FLUSH | Square D by Schneider Electric
Brand: Square D
SKU: QOC20U100F
$23.26 each
View Details Square D SU3040D400CN All in one, Homeline, CSED, ringed socket, 400A, surface/semi mount, 30 spaces, 40 circuits, 25kA SCCR, no bypass | Blackhawk Supply
SU3040D400CN | All in one, Homeline, CSED, ringed socket, 400A, surface / semi mount, 30 spaces, 40 circuits, 25kA SCCR, no bypass | Square D
Brand: Square D
SKU: SU3040D400CN
$1,571.71 each
View Details Square D SDSA3650 Indoor or Outdoor Installation and Surge Suppression of Three-phase Grounded Electrical Services from 208Y/120 Vac up to 600 Vac Line to Line | Blackhawk Supply
SDSA3650 | Indoor or Outdoor Installation and Surge Suppression of Three-phase Grounded Electrical Services from 208Y / 120 Vac up to 600 Vac Line to Line | Square D
Brand: Square D
SKU: SDSA3650
$186.46 each
View Details Square D NF430L2 250A 4 WIRE 30 SPACE 3 PHASE NF INTERIOR ALUMINUM | Blackhawk Supply
NF430L2 | 250A 4 WIRE 30 SPACE 3 PHASE NF INTERIOR ALUMINUM | Square D
Brand: Square D
SKU: NF430L2
$879.48 each
View Details Functional Devices RIBXGTF-NC Current Switch; Split Core; Fixed; 0.35-150 Amp; Normally Closed Output; Terminal | Blackhawk Supply
RIBXGTF-NC | Current Switch; Split Core; Fixed; 0.35-150 Amp; Normally Closed Output; Terminal | Functional Devices
Brand: Functional Devices
SKU: RIBXGTF-NC
$33.25 each
View Details Square D QOC30U125C LOAD CENTER COVER QO | Blackhawk Supply
QOC30U125C | LOAD CENTER COVER QO | Square D
Brand: Square D
SKU: QOC30U125C
$25.23 each
View Details Square D 4020284450K QO/HOM load center accy, latch kit, door | Blackhawk Supply
4020284450K | QO / HOM load center accy, latch kit, door | Square D
Brand: Square D
SKU: 4020284450K
$15.54 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 →
Veris PWLX04S Pressure | Wet | Nema 4 | LCD | 0-100PSID | Blackhawk Supply
PWLX04S | Pressure | Wet | Nema 4 | LCD | 0-100PSID | Veris
Brand: Veris
SKU: PWLX04S
$395.83 each
iO HVAC Controls iO-TWIN Universal Twinning Kit | Blackhawk Supply
iO-TWIN | Universal Twinning Kit | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-TWIN
$254.85 each
Siemens SKD62U Flowrite Electro-Hydraulic Actuator, 24Vac, Proportional, SR, 3/4" Stroke | Blackhawk Supply
SKD62U | Flowrite Electro-Hydraulic Actuator, 24Vac, Proportional, SR, 3/4" Stroke | Siemens
Brand: Siemens
SKU: SKD62U
$846.69 each
Belimo B220+LF120 US CCV | 0.75" | 2 Way | 14 Cv | w/ Spg Rtn | 120V | On/Off | Blackhawk Supply
B220+LF120 US | CCV | 0.75" | 2 Way | 14 Cv | w/ Spg Rtn | 120V | On/Off | Belimo
Brand: Belimo
SKU: B220+LF120 US
$448.20 each
Belimo ZIP-BT-NFC Bluetooth to NFC converter for temporary wireless operation | Blackhawk Supply
ZIP-BT-NFC | Bluetooth to NFC converter for temporary wireless operation | Belimo
Brand: Belimo
SKU: ZIP-BT-NFC
$209.25 each
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 FSNF120 US Fire & Smoke Actuator | 70 in-lb | Spg Rtn | 120V | On/Off | 1m Cable | Blackhawk Supply
FSNF120 US | Fire & Smoke Actuator | 70 in-lb | Spg Rtn | 120V | On/Off | 1m Cable | Belimo
Brand: Belimo
SKU: FSNF120 US
$561.15 each
Siemens QVM62.1 Air Velocity Sensor, 0 to 10 Vdc | Blackhawk Supply
QVM62.1 | Air Velocity Sensor, 0 to 10 Vdc | Siemens
Brand: Siemens
SKU: QVM62.1
$193.86 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.