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

Square D Circuit Breakers

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

Results: 3,104

Applied Filters:

Tradename = Square D

Series

Product

Type

Current Rating

Voltage Rating AC

Voltage Rating DC

Number of Poles

Actuator Type

Minimum Operating Temperature

Maximum Operating Temperature

Illuminated

Reset All

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 OPERATING MECHANISM CABLE MECHANISM NEMA

9422CSF504
Square D
1: NT$16,757.72
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

NT$16,757.72

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A

QOU215H
Square D
1: NT$5,632.75
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

NT$5,632.75

Min.: 1
Mult.: 1

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

M9F22105
Square D
1: NT$3,098.16
5In Stock

Mfr. Part #
M9F22105

Mouser Part #
996-M9F22105

Square D

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

Learn More

Datasheet

5In Stock

NT$3,098.16

Min.: 1
Mult.: 1

Multi 9

Circuit Breakers

Miniature

5 A

415 VAC

60 VDC

1 Pole

Toggle

- 30 C

+ 70 C

Non-Illuminated

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 60A

QOB160
Square D
1: NT$1,428.26
1In Stock
New At Mouser

Mfr. Part #
QOB160

Mouser Part #
996-QOB160

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 60A

Datasheet

1In Stock

NT$1,428.26

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 15A

QOU1155283
Square D
1: NT$2,356.78
1In Stock
New At Mouser

Mfr. Part #
QOU1155283

Mouser Part #
996-QOU1155283

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 15A

Datasheet

1In Stock

NT$2,356.78

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A

QOU130
Square D
1: NT$1,313.90
2In Stock
New At Mouser

Mfr. Part #
QOU130

Mouser Part #
996-QOU130

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A

Datasheet

2In Stock

NT$1,313.90

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 10A

QOB110
Square D
1: NT$1,428.26
1Expected 9/10/2026
New At Mouser

Mfr. Part #
QOB110

Mouser Part #
996-QOB110

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 10A

Datasheet

1Expected 9/10/2026

NT$1,428.26

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 10A

QOU1105283
Square D
1: NT$2,356.06
1Expected 10/16/2026
New At Mouser

Mfr. Part #
QOU1105283

Mouser Part #
996-QOU1105283

New At Mouser

Square D

Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 10A

Datasheet

1Expected 10/16/2026

NT$2,356.06

Min.: 1
Mult.: 1

Circuit Breakers CIRCUIT BREAKER FINGERSAFE COVER

QOULFSC1
Square D
1: NT$93.21
120Expected 8/21/2026
New At Mouser

Mfr. Part #
QOULFSC1

Mouser Part #
996-QOULFSC1

New At Mouser

Square D

Circuit Breakers CIRCUIT BREAKER FINGERSAFE COVER

Datasheet

120Expected 8/21/2026

NT$93.21

Min.: 1
Mult.: 1

Circuit Breakers OPERATING MECHANISM 600VAC 100AMP NEMA

9421LF1
Square D
1: NT$5,408.69
Non-Stocked Lead-Time 5 Weeks
New At Mouser

Mfr. Part #
9421LF1

Mouser Part #
996-9421LF1

New At Mouser

Square D

Circuit Breakers OPERATING MECHANISM 600VAC 100AMP NEMA

Datasheet

Non-Stocked Lead-Time 5 Weeks

NT$5,408.69

Min.: 1
Mult.: 1

Circuit Breakers OPERATING MECH VARIABLE DEPTH IEC

9422RQ1
Square D
1: NT$15,647.45
Non-Stocked Lead-Time 4 Weeks
New At Mouser

Mfr. Part #
9422RQ1

Mouser Part #
996-9422RQ1

New At Mouser

Square D

Circuit Breakers OPERATING MECH VARIABLE DEPTH IEC

Datasheet

Non-Stocked Lead-Time 4 Weeks

NT$15,647.45

Min.: 1
Mult.: 1

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

EGB34060SA
Square D
1: NT$72,390.83
Non-Stocked Lead-Time 7 Weeks
New At Mouser

Mfr. Part #
EGB34060SA

Mouser Part #
996-EGB34060SA

New At Mouser

Square D

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

Datasheet

Non-Stocked Lead-Time 7 Weeks

NT$72,390.83

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 60A

HDA36060
Square D
1: NT$38,707.96
Non-Stocked Lead-Time 5 Weeks
New At Mouser

Mfr. Part #
HDA36060

Mouser Part #
996-HDA36060

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 60A

Datasheet

Non-Stocked Lead-Time 5 Weeks

NT$38,707.96

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 40A

HGL36040SA
Square D
1: NT$84,826.84
Non-Stocked Lead-Time 6 Weeks
New At Mouser

Mfr. Part #
HGL36040SA

Mouser Part #
996-HGL36040SA

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 40A

Datasheet

Non-Stocked Lead-Time 6 Weeks

NT$84,826.84

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 100A

HGL36100U31X
Square D
1: NT$66,681.36
Non-Stocked Lead-Time 4 Weeks
New At Mouser

Mfr. Part #
HGL36100U31X

Mouser Part #
996-HGL36100U31X

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 100A

Datasheet

Non-Stocked Lead-Time 4 Weeks

NT$66,681.36

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 150A

HGL36150U31X
Square D
1: NT$134,725.02
Non-Stocked Lead-Time 4 Weeks
New At Mouser

Mfr. Part #
HGL36150U31X

Mouser Part #
996-HGL36150U31X

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 150A

Datasheet

Non-Stocked Lead-Time 4 Weeks

NT$134,725.02

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 175A

JJA36175
Square D
1: NT$172,824.60
Non-Stocked Lead-Time 5 Weeks
New At Mouser

Mfr. Part #
JJA36175

Mouser Part #
996-JJA36175

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 175A

Datasheet

Non-Stocked Lead-Time 5 Weeks

NT$172,824.60

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 250A

JJA36250
Square D
1: NT$214,451.83
Non-Stocked Lead-Time 4 Weeks
New At Mouser

Mfr. Part #
JJA36250

Mouser Part #
996-JJA36250

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 250A

Datasheet

Non-Stocked Lead-Time 4 Weeks

NT$214,451.83

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 400A

LA36400
Square D
1: NT$173,381.00
Non-Stocked Lead-Time 4 Weeks
New At Mouser

Mfr. Part #
LA36400

Mouser Part #
996-LA36400

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 400A

Datasheet

Non-Stocked Lead-Time 4 Weeks

NT$173,381.00

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 150A

LAL36150
Square D
1: NT$177,292.23
Non-Stocked Lead-Time 5 Weeks
New At Mouser

Mfr. Part #
LAL36150

Mouser Part #
996-LAL36150

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 150A

Datasheet

Non-Stocked Lead-Time 5 Weeks

NT$177,292.23

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 300A

LAL36300
Square D
1: NT$165,756.42
Non-Stocked Lead-Time 4 Weeks
New At Mouser

Mfr. Part #
LAL36300

Mouser Part #
996-LAL36300

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 300A

Datasheet

Non-Stocked Lead-Time 4 Weeks

NT$165,756.42

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 350A

LAL363501021
Square D
1: NT$212,067.45
Non-Stocked Lead-Time 6 Weeks
New At Mouser

Mfr. Part #
LAL363501021

Mouser Part #
996-LAL363501021

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 350A

Datasheet

Non-Stocked Lead-Time 6 Weeks

NT$212,067.45

Min.: 1
Mult.: 1

Circuit Breakers MOTOR CIRCUIT PROTECTOR 600V 400A

LAL3640032MV2206
Square D
1: NT$389,264.32
Non-Stocked Lead-Time 6 Weeks
New At Mouser

Mfr. Part #
LAL3640032MV2206

Mouser Part #
996-LAL3640032MV2206

New At Mouser

Square D

Circuit Breakers MOTOR CIRCUIT PROTECTOR 600V 400A

Non-Stocked Lead-Time 6 Weeks

NT$389,264.32

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 400A

LHL36400
Square D
1: NT$272,660.40
Non-Stocked Lead-Time 5 Weeks
New At Mouser

Mfr. Part #
LHL36400

Mouser Part #
996-LHL36400

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 400A

Datasheet

Non-Stocked Lead-Time 5 Weeks

NT$272,660.40

Min.: 1
Mult.: 1

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 600A

LJA36600U31X
Square D
1: NT$388,858.86
Non-Stocked Lead-Time 9 Weeks
New At Mouser

Mfr. Part #
LJA36600U31X

Mouser Part #
996-LJA36600U31X

New At Mouser

Square D

Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 600A

Datasheet

Non-Stocked Lead-Time 9 Weeks

NT$388,858.86

Min.: 1
Mult.: 1

Square D Circuit Breakers

Customer Service Office

Company

Resources

Support