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Square D Circuit Protection

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Types of Circuit Protection

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Part #

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

CQO116M60PC
Square D
1: $981.77
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

$981.77

$874.00

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A

QOU215H
Square D
1: $213.68
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

$213.68

Min.: 1
Mult.: 1

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

M9L17208
Square D
1: $495.90
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

$495.90

$384.70

$382.88

$382.85

View

Min.: 1
Mult.: 1

Circuit Breakers OPERATING MECHANISM CABLE MECHANISM NEMA

9422CSF504
Square D
1: $635.72
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

$635.72

Min.: 1
Mult.: 1

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

A9XPH124
Square D
1: $77.38
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

$77.38

Min.: 1
Mult.: 1

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

M9L11120
Square D
1: $188.07
26In Stock
43Expected 15/9/2026

Mfr. Part No.
M9L11120

Mouser Part No
996-M9L11120

Square D

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

Learn More

Datasheet

26In Stock

43Expected 15/9/2026

$188.07

$155.95

$145.78

$111.48

Min.: 1
Mult.: 1

Industrial Surge Protectors Multi9 PRD1 75r 3P T1 120/208V SPD

M9L13208
Square D
1: $452.31
3In Stock

Mfr. Part No.
M9L13208

Mouser Part No
996-M9L13208

Square D

Industrial Surge Protectors Multi9 PRD1 75r 3P T1 120/208V SPD

Learn More

Datasheet

3In Stock

$452.31

$379.15

$345.47

Min.: 1
Mult.: 1

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

M9L53480
Square D
1: $336.68
4In Stock
8Expected 3/9/2026

Mfr. Part No.
M9L53480

Mouser Part No
996-M9L53480

Square D

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

Learn More

Datasheet

4In Stock

8Expected 3/9/2026

$336.68

$336.67

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 60A

QOB160
Square D
1: $54.18
1In Stock
New At Mouser

Mfr. Part No.
QOB160

Mouser Part No
996-QOB160

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 60A

Datasheet

1In Stock

$54.18

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 15A

QOU1155283
Square D
1: $89.41
1In Stock
New At Mouser

Mfr. Part No.
QOU1155283

Mouser Part No
996-QOU1155283

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 15A

Datasheet

1In Stock

$89.41

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A

QOU130
Square D
1: $47.14
2In Stock
New At Mouser

Mfr. Part No.
QOU130

Mouser Part No
996-QOU130

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A

Datasheet

2In Stock

$47.14

Min.: 1
Mult.: 1

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

EMA51
Square D
1: $5,185.80
1Expected 10/8/2026
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

1Expected 10/8/2026

$5,185.80

Quote

Min.: 1
Mult.: 1

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

M9F22105
Square D
1: $117.53
5Expected 13/8/2026

Mfr. Part No.
M9F22105

Mouser Part No
996-M9F22105

Square D

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

Learn More

Datasheet

5Expected 13/8/2026

$117.53

Min.: 1
Mult.: 1

Industrial Surge Protectors Multi9 PRD1 75r 2P T1 120/240V SPD

M9L12240
Square D
1: $282.06
4Expected 15/9/2026

Mfr. Part No.
M9L12240

Mouser Part No
996-M9L12240

Square D

Industrial Surge Protectors Multi9 PRD1 75r 2P T1 120/240V SPD

Learn More

Datasheet

4Expected 15/9/2026

$282.06

$240.90

$227.54

$227.51

View

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 10A

QOU1105283
Square D
1: $89.38
1Expected 27/8/2026
New At Mouser

Mfr. Part No.
QOU1105283

Mouser Part No
996-QOU1105283

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 10A

Datasheet

1Expected 27/8/2026

$89.38

Min.: 1
Mult.: 1

Circuit Breakers CIRCUIT BREAKER FINGERSAFE COVER

QOULFSC1
Square D
1: $3.54
120Expected 7/8/2026
New At Mouser

Mfr. Part No.
QOULFSC1

Mouser Part No
996-QOULFSC1

New At Mouser

Square D

Circuit Breakers CIRCUIT BREAKER FINGERSAFE COVER

Datasheet

120Expected 7/8/2026

$3.54

Min.: 1
Mult.: 1

Industrial Surge Protectors LOAD CENTER 1PH SECONDARY SURGE ARRESTOR

SDSA1175
Square D
1: $130.12
1Expected 2/9/2026
New At Mouser

Mfr. Part No.
SDSA1175

Mouser Part No
996-SDSA1175

New At Mouser

Square D

Industrial Surge Protectors LOAD CENTER 1PH SECONDARY SURGE ARRESTOR

Datasheet

1Expected 2/9/2026

$130.12

$128.40

$128.36

$120.35

View

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 480Y/277V 35A

EDB24035
Square D
1: $780.46
21Factory Stock Available
New At Mouser

Mfr. Part No.
EDB24035

Mouser Part No
996-EDB24035

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 480Y/277V 35A

Datasheet

21Factory Stock Available

More Info Available

$780.46

Min.: 1
Mult.: 1

Circuit Breaker Accessories TYPE L CB MECH KIT WITH HANDLE, B-FRAME

9421LB4
Square D
1: $254.48
Non-Stocked Lead-Time 7 Weeks
New At Mouser

Mfr. Part No.
9421LB4

Mouser Part No
996-9421LB4

New At Mouser

Square D

Circuit Breaker Accessories TYPE L CB MECH KIT WITH HANDLE, B-FRAME

Datasheet

Non-Stocked Lead-Time 7 Weeks

$254.48

Min.: 1
Mult.: 1

Circuit Breakers OPERATING MECHANISM 600VAC 100AMP NEMA

9421LF1
Square D
1: $205.18
Non-Stocked Lead-Time 5 Weeks
New At Mouser

Mfr. Part No.
9421LF1

Mouser Part No
996-9421LF1

New At Mouser

Square D

Circuit Breakers OPERATING MECHANISM 600VAC 100AMP NEMA

Datasheet

Non-Stocked Lead-Time 5 Weeks

$205.18

Min.: 1
Mult.: 1

Circuit Breaker Accessories OPERATING MECHANISM HANDLE NEMA

9421LH43
Square D
1: $510.05
Non-Stocked Lead-Time 9 Weeks
New At Mouser

Mfr. Part No.
9421LH43

Mouser Part No
996-9421LH43

New At Mouser

Square D

Circuit Breaker Accessories OPERATING MECHANISM HANDLE NEMA

Datasheet

Non-Stocked Lead-Time 9 Weeks

$510.05

Min.: 1
Mult.: 1

Circuit Breaker Accessories OPERATING MECHANISM LONG SHAFT NEMA

9421LS10
Square D
1: $72.30
Non-Stocked Lead-Time 7 Weeks
New At Mouser

Mfr. Part No.
9421LS10

Mouser Part No
996-9421LS10

New At Mouser

Square D

Circuit Breaker Accessories OPERATING MECHANISM LONG SHAFT NEMA

Datasheet

Non-Stocked Lead-Time 7 Weeks

$72.30

Min.: 1
Mult.: 1

Circuit Breaker Accessories OPERATING MECHANISM STANDARD SHAFT NEMA

9421LS8
Square D
1: $33.93
Non-Stocked Lead-Time 3 Weeks
New At Mouser

Mfr. Part No.
9421LS8

Mouser Part No
996-9421LS8

New At Mouser

Square D

Circuit Breaker Accessories OPERATING MECHANISM STANDARD SHAFT NEMA

Datasheet

Non-Stocked Lead-Time 3 Weeks

$33.93

Min.: 1
Mult.: 1

Circuit Breakers OPERATING MECH VARIABLE DEPTH IEC

9422RQ1
Square D
1: $593.60
Non-Stocked Lead-Time 4 Weeks
New At Mouser

Mfr. Part No.
9422RQ1

Mouser Part No
996-9422RQ1

New At Mouser

Square D

Circuit Breakers OPERATING MECH VARIABLE DEPTH IEC

Datasheet

Non-Stocked Lead-Time 4 Weeks

$593.60

Min.: 1
Mult.: 1

Circuit Breaker Accessories CIRCUIT BREAKER MECHANICAL LUG KIT 3

AL1200P6KU
Square D
1: $869.76
Non-Stocked Lead-Time 3 Weeks
New At Mouser

Mfr. Part No.
AL1200P6KU

Mouser Part No
996-AL1200P6KU

New At Mouser

Square D

Circuit Breaker Accessories CIRCUIT BREAKER MECHANICAL LUG KIT 3

Datasheet

Non-Stocked Lead-Time 3 Weeks

$869.76

Min.: 1
Mult.: 1

Square D Circuit Protection

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