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Square D Circuit Protection

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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

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

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 MINIATURE CIRCUIT BREAKER 240V 15A

QOU215H
Square D
1: $156.39
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

$156.39

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 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

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

M9L11120
Square D
1: $135.79
25In Stock
43Expected 15/09/2026

Mfr. Part No.
M9L11120

Mouser Part No
996-M9L11120

Square D

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

Learn More

Datasheet

25In Stock

43Expected 15/09/2026

$135.79

$114.21

$107.20

$107.18

View

Min.: 1
Mult.: 1

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

M9L13208
Square D
1: $332.58
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

$332.58

$278.79

$254.02

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 60A

QOB160
Square D
1: $44.41
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

$44.41

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 15A

QOU1155283
Square D
1: $61.56
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

$61.56

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A

QOU130
Square D
1: $37.28
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

$37.28

Min.: 1
Mult.: 1

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

M9L53480
Square D
1: $247.56
20On Order

Mfr. Part No.
M9L53480

Mouser Part No
996-M9L53480

Square D

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

Learn More

Datasheet

20On Order

$247.56

$247.55

Min.: 1
Mult.: 1

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

M9L12240
Square D
1: $148.54
8On Order

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

8On Order

$148.54

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 10A

QOB110
Square D
1: $39.84
3Expected 10/09/2026
New At Mouser

Mfr. Part No.
QOB110

Mouser Part No
996-QOB110

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 10A

Datasheet

3Expected 10/09/2026

$39.84

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 10A

QOU1105283
Square D
1: $64.66
1Expected 16/10/2026
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 16/10/2026

$64.66

Min.: 1
Mult.: 1

Circuit Breakers CIRCUIT BREAKER FINGERSAFE COVER

QOULFSC1
Square D
1: $2.60
120On Order
New At Mouser

Mfr. Part No.
QOULFSC1

Mouser Part No
996-QOULFSC1

New At Mouser

Square D

Circuit Breakers CIRCUIT BREAKER FINGERSAFE COVER

Datasheet

120On Order

$2.60

Min.: 1
Mult.: 1

Industrial Surge Protectors LOAD CENTER 1PH SECONDARY SURGE ARRESTOR

SDSA1175
Square D
1: $95.68
1Expected 31/08/2026
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 31/08/2026

$95.68

$94.41

$94.39

$88.45

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories CIRCUIT BREAKER MECHANICAL LUG KIT 3

AL150HD
Square D
1: $75.08
1,025Factory Stock Available
New At Mouser

Mfr. Part No.
AL150HD

Mouser Part No
996-AL150HD

New At Mouser

Square D

Circuit Breaker Accessories CIRCUIT BREAKER MECHANICAL LUG KIT 3

Datasheet

1,025Factory Stock Available

More Info Available

$75.08

Min.: 1
Mult.: 1

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

9421LB4
Square D
1: $187.12
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

$187.12

Min.: 1
Mult.: 1

Circuit Breakers OPERATING MECHANISM 600VAC 100AMP NEMA

9421LF1
Square D
1: $150.87
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

$150.87

Min.: 1
Mult.: 1

Circuit Breaker Accessories OPERATING MECHANISM HANDLE NEMA

9421LH43
Square D
1: $303.58
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

$303.58

Min.: 1
Mult.: 1

Circuit Breaker Accessories OPERATING MECHANISM LONG SHAFT NEMA

9421LS10
Square D
1: $41.29
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

$41.29

Min.: 1
Mult.: 1

Circuit Breaker Accessories OPERATING MECHANISM STANDARD SHAFT NEMA

9421LS8
Square D
1: $24.95
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

$24.95

Min.: 1
Mult.: 1

Circuit Breaker Accessories DOOR MOUNTED OP MECH FOR 400A BREAKER

9421LZ400
Square D
1: $243.88
Non-Stocked Lead-Time 10 Weeks
New At Mouser

Mfr. Part No.
9421LZ400

Mouser Part No
996-9421LZ400

New At Mouser

Square D

Circuit Breaker Accessories DOOR MOUNTED OP MECH FOR 400A BREAKER

Datasheet

Non-Stocked Lead-Time 10 Weeks

$243.88

Min.: 1
Mult.: 1

Square D Circuit Protection

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