.hide-partial { max-height: none; } .show-more { display: none; }

Square D Circuit Protection

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 5,073

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 90A

HGF36090
Square D
1: $2,451.87
1In Stock
New At Mouser

Mfr. Part #
HGF36090

Mouser Part #
996-HGF36090

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 90A

Datasheet

1In Stock

$2,451.87

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 150A

HDF36150
Square D
1: $4,008.56
1In Stock
New At Mouser

Mfr. Part #
HDF36150

Mouser Part #
996-HDF36150

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 150A

Datasheet

1In Stock

$4,008.56

Min.: 1
Mult.: 1

Circuit Breakers OPERATING MECHANISM CABLE MECHANISM NEMA

9422CSF504
Square D
1: $673.11
1In Stock
New At Mouser

Mfr. Part #
9422CSF504

Mouser Part #
996-9422CSF504

New At Mouser

Square D

Circuit Breakers OPERATING MECHANISM CABLE MECHANISM NEMA

Datasheet

1In Stock

$673.11

Min.: 1
Mult.: 1

Industrial Surge Protectors Multi9 PRD1 75r 4P T1 120/208V SPD

M9L17208
Square D
1: $525.07
1In Stock

Mfr. Part #
M9L17208

Mouser Part #
996-M9L17208

Square D

Industrial Surge Protectors Multi9 PRD1 75r 4P T1 120/208V SPD

Learn More

Datasheet

1In Stock

$525.07

$407.33

$405.40

$405.37

View

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A

QOB2305252
Square D
1: $456.35
2In Stock

Mfr. Part #
QOB2305252

Mouser Part #
996-QOB2305252

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A

Datasheet

2In Stock

$456.35

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A

QOU215H
Square D
1: $226.25
1In Stock
New At Mouser

Mfr. Part #
QOU215H

Mouser Part #
996-QOU215H

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A

Datasheet

1In Stock

$226.25

Min.: 1
Mult.: 1

Panelboards & Load Centers LOADCTR QO CSA MB 240V 60A 1PH 16SP N1

CQO116M60PC
Square D
1: $1,039.52
1In Stock
New At Mouser

Mfr. Part #
CQO116M60PC

Mouser Part #
996-CQO116M60PC

New At Mouser

Square D

Panelboards & Load Centers LOADCTR QO CSA MB 240V 60A 1PH 16SP N1

Datasheet

1In Stock

$1,039.52

$925.42

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 30A

QOB330FT
Square D
1: $682.03
3In Stock

Mfr. Part #
QOB330FT

Mouser Part #
996-QOB330FT

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 30A

Datasheet

3In Stock

$682.03

$565.07

$520.73

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A

QOB315FT
Square D
1: $682.03
3In Stock

Mfr. Part #
QOB315FT

Mouser Part #
996-QOB315FT

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A

Datasheet

3In Stock

$682.03

$565.07

$520.73

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 600V 15A

EDB36015
Square D
1: $1,031.43
1In Stock

Mfr. Part #
EDB36015

Mouser Part #
996-EDB36015

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 600V 15A

Datasheet

1In Stock

$1,031.43

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 20A

QOU2205283
Square D
1: $180.46
1In Stock
New At Mouser

Mfr. Part #
QOU2205283

Mouser Part #
996-QOU2205283

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 20A

Datasheet

1In Stock

$180.46

Min.: 1
Mult.: 1

Industrial Surge Protectors XDSE Type 2 SPD 480V D 3ph3 wire 200kA

SSP05XDSE20A
Square D
1: $6,697.14
1In Stock

Mfr. Part #
SSP05XDSE20A

Mouser Part #
996-SSP05XDSE20A

Square D

Industrial Surge Protectors XDSE Type 2 SPD 480V D 3ph3 wire 200kA

Datasheet

1In Stock

$6,697.14

Quote

Min.: 1
Mult.: 1

Circuit Breaker Accessories Acti9 COMB BUSBAR 1P 100A 24 MODULES

A9XPH124
Square D
1: $81.94
18In Stock

Mfr. Part #
A9XPH124

Mouser Part #
996-A9XPH124

Square D

Circuit Breaker Accessories Acti9 COMB BUSBAR 1P 100A 24 MODULES

Datasheet

18In Stock

$81.94

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 480Y/277V 60A

EDB34060
Square D
1: $1,031.52
8In Stock
New At Mouser

Mfr. Part #
EDB34060

Mouser Part #
996-EDB34060

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 480Y/277V 60A

Datasheet

8In Stock

$1,031.52

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 100A

HDL36100
Square D
1: $1,619.19
2In Stock

Mfr. Part #
HDL36100

Mouser Part #
996-HDL36100

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 100A

Datasheet

2In Stock

$1,619.19

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 125A

HDL36125
Square D
1: $3,144.48
5In Stock

Mfr. Part #
HDL36125

Mouser Part #
996-HDL36125

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 125A

Datasheet

5In Stock

$3,144.48

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 175A

JDL36175
Square D
1: $4,208.99
1In Stock

Mfr. Part #
JDL36175

Mouser Part #
996-JDL36175

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 175A

Datasheet

1In Stock

$4,208.99

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 225A

JDL36225
Square D
1: $4,495.00
1In Stock
2Expected 2026-09-01

Mfr. Part #
JDL36225

Mouser Part #
996-JDL36225

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 225A

Datasheet

1In Stock

2Expected 2026-09-01

$4,495.00

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 250A

JDL36250
Square D
1: $5,780.03
1In Stock

Mfr. Part #
JDL36250

Mouser Part #
996-JDL36250

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 250A

Datasheet

1In Stock

$5,780.03

Min.: 1
Mult.: 1

Industrial Surge Protectors Multi9 PRD1 75r 1P T1 120V SPD

M9L11120
Square D
1: $199.14
25In Stock
43Expected 2026-09-15

Mfr. Part #
M9L11120

Mouser Part #
996-M9L11120

Square D

Industrial Surge Protectors Multi9 PRD1 75r 1P T1 120V SPD

Learn More

Datasheet

25In Stock

43Expected 2026-09-15

$199.14

$165.12

$154.35

$118.04

Min.: 1
Mult.: 1

Industrial Surge Protectors SPD T1 SDSA 50KA 600V MAX 3P4W

SDSA3650
Square D
1: $376.13
12In Stock
5Expected 2026-08-10

Mfr. Part #
SDSA3650

Mouser Part #
996-SDSA3650

Square D

Industrial Surge Protectors SPD T1 SDSA 50KA 600V MAX 3P4W

Datasheet

12In Stock

5Expected 2026-08-10

$376.13

$359.32

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 125A

HJA36125
Square D
1: $6,158.58
2In Stock

Mfr. Part #
HJA36125

Mouser Part #
996-HJA36125

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 125A

Datasheet

2In Stock

$6,158.58

Min.: 1
Mult.: 1

Circuit Breakers MOTOR CIRCUIT PROTECTOR 600V 100A

HJL36100M73
Square D
1: $2,370.24
1In Stock

Mfr. Part #
HJL36100M73

Mouser Part #
996-HJL36100M73

Square D

Circuit Breakers MOTOR CIRCUIT PROTECTOR 600V 100A

Datasheet

1In Stock

$2,370.24

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 150A

QOB3150VH
Square D
1: $3,045.63
1In Stock

Mfr. Part #
QOB3150VH

Mouser Part #
996-QOB3150VH

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 150A

Datasheet

1In Stock

$3,045.63

Min.: 1
Mult.: 1

Panelboards & Load Centers Accessories LOAD CENTER EQUIPMENT GROUND BAR ASSY

PK15GTA
Square D
1: $24.62
436In Stock
New At Mouser

Mfr. Part #
PK15GTA

Mouser Part #
996-PK15GTA

New At Mouser

Square D

Panelboards & Load Centers Accessories LOAD CENTER EQUIPMENT GROUND BAR ASSY

Datasheet

436In Stock

$24.62

Min.: 1
Mult.: 1

Square D Circuit Protection

Types of Circuit Protection

Mouser Electronics®

Company

Resources

Support