We ship from multiple warehouses throughout the USA
to get you what you need as fast as possible!
Millions of items in stock!
Fast online checkout - No account required
Cart 0

Products - (25001 Products)


Square D - 350 Amp, 600 VAC, 3 Pole, Unit Mount Molded Case Circuit Breaker - Electronic Trip, 25 kA at 600 VAC Breaking Capacity, 3/0 (Aluminum), 3/0 (Copper) AWG, 8.05 Inch Deep x 12.86 Inch High x 8.27 Inch Wide


Item #: 56760861
Brand: Square D
Model #: MJL36350LW
Exact Tooling IR#: 04

Features and Benefits

MCCB (Molded Case Circuit Breakers) are designed to protect against overloads and short circuits in both low and high power applications. Trip settings are adjustable and they are thermal and thermal-magnetically operated. The current rating is up to 2,500 amperes.
Electronic tipping mechanisms provide overload and short-circuit protection with enhanced coordination capabilities and can include integral ground-fault detection.
Product Specifications
Circuit Breaker Type Molded Case Circuit Breaker
Amperage 350
Number of Poles 3
Breaking Capacity 25 kA @ 600 VAC
Tripping Mechanism Electronic
Terminal Connection Type Lug
Mounting Type Unit Mount
Voltage 600 VAC
Wire Size (AWG) 3/0 (Aluminum); 3/0 (Copper)
Overall Depth (Decimal Inch) 8.0500
Overall Height (Decimal Inch) 12.8600
Overall Width (Decimal Inch) 8.2700
Standards Met CCC; CSA Certified; Federal Specification W-C 375 b/Gen; HACR; UL Listed
Reset Actuator Type Toggle Switch

$11,246.72

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 350 VA, Control Transformer - 5.09 Inch Deep


Item #: 56795859
Brand: Square D
Model #: 9070T350D12
Exact Tooling IR#: 04

Product Specifications
Power Rating (VA) 350
Input Voltage 480 V
Output Voltage 240 V
Overall Width (Decimal Inch) 4-1/2
Overall Depth (Decimal Inch) 5.0900
Standards Met CE; CSA File LR37055 Guide 184-N-90; UL Listed File E61239

$931.46

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 350 VA, Top Mount Fuse Block Control Transformer - 5.09 Inch Deep


Item #: 56834039
Brand: Square D
Model #: 9070TF350D5
Exact Tooling IR#: 04

Product Specifications
Power Rating (VA) 350
Input Voltage 550 V; 575 V; 600 V
Output Voltage 110/115/120 V
Fuse Status Fused
Fuse Location Top Mount Fuse Block
Overall Width (Decimal Inch) 4-1/2
Overall Depth (Decimal Inch) 5.0900
Standards Met CE; CSA File LR37055 Guide 184-N-90; NEC 450; UL 508; UL Listed File E61239

$1,500.75

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 350 VA, Top Mount Fuse Block Control Transformer - 50/60 Hz, 5.11 Inch Deep x 5.13 Inch High


Item #: 56794688
Brand: Square D
Model #: 9070TF350D14
Exact Tooling IR#: 04

Product Specifications
Power Rating (VA) 350
Input Voltage 208 V
Output Voltage 24 V
Fuse Status Fused
Frequency Rating (Hz) 50/60
Mounting Type Panel
Fuse Location Top Mount Fuse Block
Overall Width (Decimal Inch) 4-1/2
Overall Width (mm) 114
Overall Height (mm) 130
Overall Height (Decimal Inch) 5.1300
Overall Depth (mm) 130
Overall Depth (Decimal Inch) 5.1100
Standards Met CE Certified; CSA Certified; ISO 9001; NEC; NOM Certified; TUV; UL Listed

$792.28

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 4 Amp, 1 Pole, Clip Miniature Circuit Breaker - 70mm Deep x 81mm High x 18mm Wide


Item #: 56786551
Brand: Square D
Model #: 25642
Exact Tooling IR#: 04

Product Specifications
Circuit Breaker Type Miniature Circuit Breaker
Amperage 4
Number of Poles 1
Mounting Type Clip
Overall Depth (mm) 70
Overall Height (mm) 81
Overall Width (mm) 18
Standards Met RoHS Compliant

$108.76

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 4 Amp, 230 VAC, 1 Pole, DIN Rail Mounted Miniature Circuit Breaker - Magnetic Trip, Multiple Breaking Capacity Ratings, 6, 8 AWG, 76mm Deep x 81mm High x 18mm Wide


Item #: 56838642
Brand: Square D
Model #: M9P22604
Exact Tooling IR#: 04

Features and Benefits

Magnetic tripping mechanisms are designed with a solenoid (electromagnet), which will quickly disconnect in case of a short circuit or overload. They are not greatly affected by extreme environmental conditions, but are sensitive to low-overloads.
Product Specifications
Circuit Breaker Type Miniature Circuit Breaker
Amperage 4
Number of Poles 1
Breaking Capacity 2 kA @ 400/415 VAC; 7.5 kA @ 230/240 VAC
Tripping Mechanism Magnetic
Terminal Connection Type Lug
Mounting Type DIN Rail Mounted
Voltage 230 VAC
Wire Size (sq mm) 10; 16
Wire Size (AWG) 6; 8
Durability 20000 Cycles
Maximum Operating Temperature (F) 158
Minimum Operating Temperature (F) -22
Overall Depth (Decimal Inch) 3
Overall Depth (mm) 76
Overall Height (mm) 81
Overall Height (Decimal Inch) 3.1900
Overall Width (mm) 18
Overall Width (Decimal Inch) 0.7100
For Use With Multi 9 Modular System
Standards Met IEC Certified; UL Listed; UL Recognized
Reset Actuator Type Toggle Switch

$219.88

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 4 Inch Conduit, Safety Switch Plate Hub - For Use with Load Centers, R Devices


Item #: 54421383
Brand: Square D
Model #: B400
Exact Tooling IR#: 04

Product Specifications
Switch Accessory Type Plate Type Hub
For Use With Load Centers; R Devices
Compatible Conduit Size (Decimal Inch) 4

$347.52

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 4, 1/0 AWG, Mechanical Transformer Lug Kit - For Use with Single Phase Primary, Single Phase Secondary, Three Phase Delta Primary and Three Phase Delta Secondary Transformers


Item #: 69661189
Brand: Square D
Model #: DASKP400
Exact Tooling IR#: 04

Product Specifications
Transformer Accessory Type Mechanical Lug Kit
For Use With Single-Phase Primary Transformer; Single-Phase Secondary Transformer; Three-Phase Delta Primary Transformer; Three-Phase Delta Secondary Transformer
Wire Size (AWG) 4; 1/0

$199.63

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 4, 1/0, 14-1/0, 14-2/0 AWG, Mechanical Transformer Lug Kit - For Use with Single Phase Primary and Secondary Transformers, Three Phase Delta with Center Tap, Three Phase Wye Secondary Transformers


Item #: 69661205
Brand: Square D
Model #: DASKGS400
Exact Tooling IR#: 04

Product Specifications
Transformer Accessory Type Mechanical Lug Kit
For Use With Single-Phase Primary & Secondary Transformer; Three-Phase Delta with Center Tap; Three-Phase Wye Secondary Transformer
Wire Size (AWG) 4; 1/0; 14-1/0; 14-2/0

$374.92

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 40 Amp Circuit Breaker Trip Unit - Use with Compact NS


Item #: 56770902
Brand: Square D
Model #: 29033
Exact Tooling IR#: 04

Product Specifications
Accessory Type Trip Unit
For Use With Compact NS
Amperage 40
Number of Poles 3

$575.24

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 40 Amp Circuit Breaker Trip Unit - Use with Compact NS


Item #: 56755895
Brand: Square D
Model #: 29076
Exact Tooling IR#: 04

Product Specifications
Accessory Type Trip Unit
For Use With Compact NS
Amperage 40
Number of Poles 3

$1,135.61

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 40 Amp Circuit Breaker Trip Unit - Use with Compact NS


Item #: 56770936
Brand: Square D
Model #: 29072
Exact Tooling IR#: 04

Product Specifications
Accessory Type Trip Unit
For Use With Compact NS
Amperage 40
Number of Poles 3

$1,411.44

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 40 Amp, 120 VAC, 240 VAC, 2 Pole, DIN Rail Mount Miniature Circuit Breaker - Thermal Magnetic Trip, 14-2 AWG


Item #: 56837065
Brand: Square D
Model #: QOU240B
Exact Tooling IR#: 04

Features and Benefits

Thermal-magnetic tripping mechanisms are designed with both a bi-metal switch and an electromagnet. They perform as a thermal breaker for low level overloads and perform as a magnetic breaker for instantaneous tripping mechanism at high levels.
Product Specifications
Circuit Breaker Type Miniature Circuit Breaker
Amperage 40
Number of Poles 2
Tripping Mechanism Thermal-Magnetic
Terminal Connection Type Lug
Mounting Type DIN Rail Mount
Voltage 120 VAC; 240 VAC
Wire Size (AWG) 14-2
For Use With OEM Applications
Standards Met IEC; RoHS EUR Compliant 3Q2014; UL Listed
Reset Actuator Type Toggle Switch

$65.20

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 40 Amp, 120/240 VAC, 1 Pole, DIN Rail Mounted, Flush Mount, Surface Mount Miniature Circuit Breaker - Thermal Magnetic Trip, 10 kA at 120/240 VAC Breaking Capacity, 14-2 (Aluminum), 14-2 (Copper) AWG, 74mm Deep x 103mm High x 19mm Wide


Item #: 56788243
Brand: Square D
Model #: QOUR140
Exact Tooling IR#: 04

Features and Benefits

Thermal-magnetic tripping mechanisms are designed with both a bi-metal switch and an electromagnet. They perform as a thermal breaker for low level overloads and perform as a magnetic breaker for instantaneous tripping mechanism at high levels.
Product Specifications
Circuit Breaker Type Miniature Circuit Breaker
Amperage 40
Number of Poles 1
Breaking Capacity 10 kA @ 120/240 VAC
Tripping Mechanism Thermal-Magnetic
Terminal Connection Type Lug
Mounting Type DIN Rail Mounted; Flush Mount; Surface Mount
Voltage 120/240 VAC
Wire Size (AWG) 14-2 (Aluminum); 14-2 (Copper)
Overall Depth (Decimal Inch) 2.9200
Overall Depth (mm) 74
Overall Height (mm) 103
Overall Height (Decimal Inch) 4.0500
Overall Width (mm) 19
Overall Width (Decimal Inch) 3/4
For Use With I-Line Panelboards & Switchboards
Standards Met CCC; CSA Certified; Federal Specification W-C 375 b/Gen; UL Listed
Reset Actuator Type Toggle Switch

$57.35

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 40 Amp, 120/240 VAC, 2 Pole, DIN Rail Mounted, Flush Mount, Surface Mount Miniature Circuit Breaker - Thermal Magnetic Trip, 10 kA at 120/240 VAC Breaking Capacity, 14-2 (Aluminum), 14-2 (Copper) AWG, 74mm Deep x 103mm High x 19mm Wide


Item #: 56788375
Brand: Square D
Model #: QOUQ240B
Exact Tooling IR#: 04

Features and Benefits

Thermal-magnetic tripping mechanisms are designed with both a bi-metal switch and an electromagnet. They perform as a thermal breaker for low level overloads and perform as a magnetic breaker for instantaneous tripping mechanism at high levels.
Product Specifications
Circuit Breaker Type Miniature Circuit Breaker
Amperage 40
Number of Poles 2
Breaking Capacity 10 kA @ 120/240 VAC
Tripping Mechanism Thermal-Magnetic
Terminal Connection Type Pressure Plate
Mounting Type DIN Rail Mounted; Flush Mount; Surface Mount
Voltage 120/240 VAC
Wire Size (AWG) 14-2 (Aluminum); 14-2 (Copper)
Overall Depth (Decimal Inch) 2.9200
Overall Depth (mm) 74
Overall Height (mm) 103
Overall Height (Decimal Inch) 4.0500
Overall Width (mm) 19
Overall Width (Decimal Inch) 3/4
For Use With I-Line Panelboards & Switchboards
Standards Met CCC; CSA Certified; Federal Specification W-C 375 b/Gen; UL Listed
Reset Actuator Type Toggle Switch

$124.14

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 40 Amp, 120/240 VAC, 2 Pole, DIN Rail Mounted, Flush Mount, Surface Mount Miniature Circuit Breaker - Thermal Magnetic Trip, 10 kA at 120/240 VAC Breaking Capacity, 14-2 (Aluminum), 14-2 (Copper) AWG, 74mm Deep x 103mm High x 19mm Wide


Item #: 56788151
Brand: Square D
Model #: QOUR240
Exact Tooling IR#: 04

Features and Benefits

Thermal-magnetic tripping mechanisms are designed with both a bi-metal switch and an electromagnet. They perform as a thermal breaker for low level overloads and perform as a magnetic breaker for instantaneous tripping mechanism at high levels.
Product Specifications
Circuit Breaker Type Miniature Circuit Breaker
Amperage 40
Number of Poles 2
Breaking Capacity 10 kA @ 120/240 VAC
Tripping Mechanism Thermal-Magnetic
Terminal Connection Type Lug
Mounting Type DIN Rail Mounted; Flush Mount; Surface Mount
Voltage 120/240 VAC
Wire Size (AWG) 14-2 (Aluminum); 14-2 (Copper)
Overall Depth (Decimal Inch) 2.9200
Overall Depth (mm) 74
Overall Height (mm) 103
Overall Height (Decimal Inch) 4.0500
Overall Width (mm) 19
Overall Width (Decimal Inch) 3/4
For Use With I-Line Panelboards & Switchboards
Standards Met CCC; CSA Certified; Federal Specification W-C 375 b/Gen; UL Listed
Reset Actuator Type Toggle Switch

$122.95

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 40 Amp, 120/240 VAC, 2 Pole, DIN Rail Mounted, Flush Mount, Surface Mount Miniature Circuit Breaker - Thermal Magnetic Trip, 10 kA at 120/240 VAC Breaking Capacity, 14-2 (Aluminum), 14-2 (Copper) AWG, 74mm Deep x 103mm High x 38mm Wide


Item #: 56788409
Brand: Square D
Model #: QOUQ240
Exact Tooling IR#: 04

Features and Benefits

Thermal-magnetic tripping mechanisms are designed with both a bi-metal switch and an electromagnet. They perform as a thermal breaker for low level overloads and perform as a magnetic breaker for instantaneous tripping mechanism at high levels.
Product Specifications
Circuit Breaker Type Miniature Circuit Breaker
Amperage 40
Number of Poles 2
Breaking Capacity 10 kA @ 120/240 VAC
Tripping Mechanism Thermal-Magnetic
Terminal Connection Type Lug
Mounting Type DIN Rail Mounted; Flush Mount; Surface Mount
Voltage 120/240 VAC
Wire Size (AWG) 14-2 (Aluminum); 14-2 (Copper)
Overall Depth (Decimal Inch) 2.9800
Overall Depth (mm) 74
Overall Height (mm) 103
Overall Height (Decimal Inch) 4.0500
Overall Width (mm) 38
Overall Width (Decimal Inch) 1-1/2
For Use With I-Line Panelboards & Switchboards
Standards Met CCC; CSA Certified; Federal Specification W-C 375 b/Gen; UL Listed
Reset Actuator Type Toggle Switch

$124.14

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 40 Amp, 230 VAC, 2 Pole, Residual Current Device - 1500 A Breaking Capacity


Item #: 56835523
Brand: Square D
Model #: 23016
Exact Tooling IR#: 04

Features and Benefits

Residual Current Devices (RCDs) are used for detecting imbalance in currents and protecting against fatal shocks. They trip only when there is an earth fault current. They cannot detect overloads.
Product Specifications
Circuit Breaker Type Residual Current Device
Amperage 40
Number of Poles 2
Breaking Capacity 1500 A
Terminal Connection Type Tunnel
Voltage 230 VAC
Durability 20000 Cycles
Maximum Operating Temperature (F) 104
Minimum Operating Temperature (F) 23
Standards Met IEC 60947-1; IEC 60947-3; IEC 61008

$552.06

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 40 Amp, 240 VAC, 1 Pole, Bolt On Miniature Circuit Breaker - 8-2 AWG


Item #: 77786267
Brand: Square D
Model #: QOB140
Exact Tooling IR#: 04

Product Specifications
Circuit Breaker Type Miniature Circuit Breaker
Amperage 40
Number of Poles 1
Terminal Connection Type Box Lugs
Mounting Type Bolt-on
Voltage 240 VAC
Wire Size (AWG) 8-2
Standards Met CSA; RoHS Compliant; UL Listed

$58.03

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Square D - 40 Amp, 240 VAC, 1 Pole, Panel Mount Miniature Circuit Breaker - 14-2 AWG


Item #: 56837552
Brand: Square D
Model #: QOU140VH
Exact Tooling IR#: 04

Product Specifications
Circuit Breaker Type Miniature Circuit Breaker
Amperage 40
Number of Poles 1
Terminal Connection Type Box Lugs
Mounting Type Panel Mount
Voltage 240 VAC
Wire Size (AWG) 14-2
Standards Met CSA; IEC; RoHS Compliant; UL Listed

$119.42

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It