.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: 5,072

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 #

Industrial Surge Protectors SPD T1 EMA 100KA 480V 3P3W

EMA51
Square D
1: $3,813.09
1In Stock
New At Mouser

Mfr. Part No.
EMA51

Mouser Part No
996-EMA51

New At Mouser

Square D

Industrial Surge Protectors SPD T1 EMA 100KA 480V 3P3W

Datasheet

1In Stock

$3,813.09

Quote

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 90A

HGF36090
Square D
1: $1,821.19
1In Stock
New At Mouser

Mfr. Part No.
HGF36090

Mouser Part No
996-HGF36090

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 90A

Datasheet

1In Stock

$1,821.19

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 150A

HDF36150
Square D
1: $2,783.72
1In Stock
New At Mouser

Mfr. Part No.
HDF36150

Mouser Part No
996-HDF36150

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 150A

Datasheet

1In Stock

$2,783.72

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A

QOB2305252
Square D
1: $316.91
2In Stock

Mfr. Part No.
QOB2305252

Mouser Part No
996-QOB2305252

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A

Datasheet

2In Stock

$316.91

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A

QOU215H
Square D
1: $156.10
1In Stock
New At Mouser

Mfr. Part No.
QOU215H

Mouser Part No
996-QOU215H

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A

Datasheet

1In Stock

$156.10

Min.: 1
Mult.: 1

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

CQO116M60PC
Square D
1: $721.89
1In Stock
New At Mouser

Mfr. Part No.
CQO116M60PC

Mouser Part No
996-CQO116M60PC

New At Mouser

Square D

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

Datasheet

1In Stock

$721.89

$642.65

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 30A

QOB330FT
Square D
1: $473.63
3In Stock

Mfr. Part No.
QOB330FT

Mouser Part No
996-QOB330FT

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 30A

Datasheet

3In Stock

$473.63

$392.41

$361.62

Min.: 1
Mult.: 1

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

M9L17208
Square D
1: $364.63
1In Stock

Mfr. Part No.
M9L17208

Mouser Part No
996-M9L17208

Square D

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

Learn More

Datasheet

1In Stock

$364.63

$282.87

$281.53

$281.51

View

Min.: 1
Mult.: 1

Circuit Breakers OPERATING MECHANISM CABLE MECHANISM NEMA

9422CSF504
Square D
1: $499.98
1In Stock
New At Mouser

Mfr. Part No.
9422CSF504

Mouser Part No
996-9422CSF504

New At Mouser

Square D

Circuit Breakers OPERATING MECHANISM CABLE MECHANISM NEMA

Datasheet

1In Stock

$499.98

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A

QOB315FT
Square D
1: $473.63
3In Stock

Mfr. Part No.
QOB315FT

Mouser Part No
996-QOB315FT

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A

Datasheet

3In Stock

$473.63

$392.41

$361.62

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 600V 15A

EDB36015
Square D
1: $716.27
1In Stock

Mfr. Part No.
EDB36015

Mouser Part No
996-EDB36015

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 600V 15A

Datasheet

1In Stock

$716.27

Min.: 1
Mult.: 1

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

SSP05XDSE20A
Square D
1: $4,650.79
1In Stock

Mfr. Part No.
SSP05XDSE20A

Mouser Part No
996-SSP05XDSE20A

Square D

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

Datasheet

1In Stock

$4,650.79

Quote

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 20A

QOU2205283
Square D
1: $122.75
1In Stock
New At Mouser

Mfr. Part No.
QOU2205283

Mouser Part No
996-QOU2205283

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 20A

Datasheet

1In Stock

$122.75

Min.: 1
Mult.: 1

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

A9XPH124
Square D
1: $56.90
18In Stock

Mfr. Part No.
A9XPH124

Mouser Part No
996-A9XPH124

Square D

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

Datasheet

18In Stock

$56.90

Min.: 1
Mult.: 1

Circuit Breakers Multi9 C60SP 1P C 5A 10kA 277V UL1077

M9F22105
Square D
1: $86.55
5In Stock

Mfr. Part No.
M9F22105

Mouser Part No
996-M9F22105

Square D

Circuit Breakers Multi9 C60SP 1P C 5A 10kA 277V UL1077

Learn More

Datasheet

5In Stock

$86.55

Min.: 1
Mult.: 1

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

EDB34060
Square D
1: $716.33
8In Stock
New At Mouser

Mfr. Part No.
EDB34060

Mouser Part No
996-EDB34060

New At Mouser

Square D

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

Datasheet

8In Stock

$716.33

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 100A

HDL36100
Square D
1: $1,125.49
2In Stock

Mfr. Part No.
HDL36100

Mouser Part No
996-HDL36100

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 100A

Datasheet

2In Stock

$1,125.49

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 125A

HDL36125
Square D
1: $2,168.83
5In Stock

Mfr. Part No.
HDL36125

Mouser Part No
996-HDL36125

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 125A

Datasheet

5In Stock

$2,168.83

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 175A

JDL36175
Square D
1: $2,922.91
1In Stock

Mfr. Part No.
JDL36175

Mouser Part No
996-JDL36175

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 175A

Datasheet

1In Stock

$2,922.91

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 225A

JDL36225
Square D
1: $2,571.06
1In Stock
2On Order

Mfr. Part No.
JDL36225

Mouser Part No
996-JDL36225

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 225A

Datasheet

1In Stock

2On Order

$2,571.06

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 250A

JDL36250
Square D
1: $4,013.91
1In Stock

Mfr. Part No.
JDL36250

Mouser Part No
996-JDL36250

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 250A

Datasheet

1In Stock

$4,013.91

Min.: 1
Mult.: 1

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

M9L11120
Square D
1: $135.79
61In Stock

Mfr. Part No.
M9L11120

Mouser Part No
996-M9L11120

Square D

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

Learn More

Datasheet

61In Stock

$135.79

$114.21

$107.20

$107.18

View

Min.: 1
Mult.: 1

Industrial Surge Protectors Multi9 PRD1 75r 3P T1 480V SPD

M9L53480
Square D
1: $247.56
20In Stock
23Expected 23/11/2026

Mfr. Part No.
M9L53480

Mouser Part No
996-M9L53480

Square D

Industrial Surge Protectors Multi9 PRD1 75r 3P T1 480V SPD

Learn More

Datasheet

20In Stock

23Expected 23/11/2026

$247.56

Quote

Min.: 1
Mult.: 1

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

SDSA3650
Square D
1: $303.15
11In Stock
20Expected 01/10/2026

Mfr. Part No.
SDSA3650

Mouser Part No
996-SDSA3650

Square D

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

Datasheet

11In Stock

20Expected 01/10/2026

$303.15

$253.66

$233.93

$233.85

View

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 125A

HJA36125
Square D
1: $4,317.66
2In Stock

Mfr. Part No.
HJA36125

Mouser Part No
996-HJA36125

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 125A

Datasheet

2In Stock

$4,317.66

Min.: 1
Mult.: 1

Square D Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support