.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: 5,020

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; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 20A QOB2201200FT Square D 1: ¥59,553.5 2In Stock	Mfr. Part # QOB2201200FT Mouser Part # 996-QOB2201200FT	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 20A	Datasheet	2In Stock	¥59,553.5	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A QOU230 Square D 1: ¥15,357.6 7In Stock New At Mouser	Mfr. Part # QOU230 Mouser Part # 996-QOU230 New At Mouser	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A	Datasheet	7In Stock	¥15,357.6	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 100A QOB2100 Square D 1: ¥42,584.7 3In Stock	Mfr. Part # QOB2100 Mouser Part # 996-QOB2100	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 100A	Datasheet	3In Stock	¥42,584.7	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 120V 30A QOB130 Square D 1: ¥6,610.8 5In Stock	Mfr. Part # QOB130 Mouser Part # 996-QOB130	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 120V 30A	Datasheet	5In Stock	¥6,610.8	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 20A QOB220 Square D 1: ¥15,208.1 2In Stock	Mfr. Part # QOB220 Mouser Part # 996-QOB220	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 20A	Datasheet	2In Stock	¥15,208.1	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 50A QOB350 Square D 1: ¥52,570.7 1In Stock New Product	Mfr. Part # QOB350 Mouser Part # 996-QOB350 New Product	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 50A	Datasheet	1In Stock	¥52,570.7	Min.: 1 Mult.: 1
Panelboards & Load Centers Accessories LOAD CENTER HOM COVER HOMC21UC Square D 1: ¥28,154 2Expected 11/4/2026 New At Mouser	Mfr. Part # HOMC21UC Mouser Part # 996-HOMC21UC New At Mouser	Square D	Panelboards & Load Centers Accessories LOAD CENTER HOM COVER	Datasheet	2Expected 11/4/2026	¥28,154	Min.: 1 Mult.: 1
Industrial Surge Protectors MA Module 277V Low kA MAM41 Square D 1: ¥99,660 1Expected 12/18/2026 New At Mouser	Mfr. Part # MAM41 Mouser Part # 996-MAM41 New At Mouser	Square D	Industrial Surge Protectors MA Module 277V Low kA	Datasheet	1Expected 12/18/2026	¥99,660	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 15A QOB1155237 Square D 1: ¥7,923 1Expected 11/2/2026 New At Mouser	Mfr. Part # QOB1155237 Mouser Part # 996-QOB1155237 New At Mouser	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 15A	Datasheet	1Expected 11/2/2026	¥7,923	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 10A QOU1105283 Square D 1: ¥11,128.7 1Expected 10/26/2026 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 10/26/2026	¥11,128.7	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 25A QOU3255283 Square D 1: ¥58,799.4 1Expected 10/26/2026 New At Mouser	Mfr. Part # QOU3255283 Mouser Part # 996-QOU3255283 New At Mouser	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 25A	Datasheet	1Expected 10/26/2026	¥58,799.4	Min.: 1 Mult.: 1
Circuit Breakers CIRCUIT BREAKER FINGERSAFE COVER QOULFSC1 Square D 1: ¥431.9 350Expected 11/11/2026 New At Mouser	Mfr. Part # QOULFSC1 Mouser Part # 996-QOULFSC1 New At Mouser	Square D	Circuit Breakers CIRCUIT BREAKER FINGERSAFE COVER	Datasheet	350Expected 11/11/2026	¥431.9	Min.: 1 Mult.: 1
Industrial Surge Protectors Multi9 PRD1 75r 3P T1 120/208V SPD M9L13208 Square D 1: ¥41,119.7 4On Order	Mfr. Part # M9L13208 Mouser Part # 996-M9L13208	Square D	Industrial Surge Protectors Multi9 PRD1 75r 3P T1 120/208V SPD Learn More about Square D schneider multi9 circuit breakers	Datasheet	4On Order On Order Ship Dates Mfr. #: M9L13208 Stock: 0 On Order: 2 Expected 12/3/2026 2 Expected 1/4/2027 Factory Lead-Time: 13 Weeks	¥41,119.7	Min.: 1 Mult.: 1
Industrial Surge Protectors SPD T1 HEPD 25 KA 120/240V1P3W HEPD25 Square D 1: ¥15,779.5 8,972Factory Stock Available New At Mouser	Mfr. Part # HEPD25 Mouser Part # 996-HEPD25 New At Mouser	Square D	Industrial Surge Protectors SPD T1 HEPD 25 KA 120/240V1P3W	Datasheet	8,972Factory Stock Available More Info Available	¥15,779.5	Min.: 1 Mult.: 1
Industrial Surge Protectors SPD T2 HEPD 50KA 120/240V1P3W HEPD50 Square D 1: ¥17,938.8 5,767Factory Stock Available New At Mouser	Mfr. Part # HEPD50 Mouser Part # 996-HEPD50 New At Mouser	Square D	Industrial Surge Protectors SPD T2 HEPD 50KA 120/240V1P3W	Datasheet	5,767Factory Stock Available More Info Available	¥17,938.8	Min.: 1 Mult.: 1
Industrial Surge Protectors SPD T1 HOMELINE LC 50KA 120/240V HOM250PSPD Square D 1: ¥23,488.2 3,588Factory Stock Available New At Mouser	Mfr. Part # HOM250PSPD Mouser Part # 996-HOM250PSPD New At Mouser	Square D	Industrial Surge Protectors SPD T1 HOMELINE LC 50KA 120/240V	Datasheet	3,588Factory Stock Available More Info Available	¥23,488.2	Min.: 1 Mult.: 1
Industrial Surge Protectors SPD T1 QO LC 50KA 120/240V QO250PSPD Square D 1: ¥23,660.9 1,228Factory Stock Available New At Mouser	Mfr. Part # QO250PSPD Mouser Part # 996-QO250PSPD New At Mouser	Square D	Industrial Surge Protectors SPD T1 QO LC 50KA 120/240V	Datasheet	1,228Factory Stock Available More Info Available	¥23,660.9	Min.: 1 Mult.: 1
Panelboards & Load Centers Accessories DOOR LATCH KIT 4020284450K Square D 1: ¥2,541.3 Non-Stocked Lead-Time 4 Weeks New At Mouser	Mfr. Part # 4020284450K Mouser Part # 996-4020284450K New At Mouser	Square D	Panelboards & Load Centers Accessories DOOR LATCH KIT	Datasheet	Non-Stocked Lead-Time 4 Weeks	¥2,541.3	Min.: 1 Mult.: 1
Circuit Breaker Accessories TYPE L CB MECH KIT WITH HANDLE, B-FRAME 9421LB4 Square D 1: ¥31,080.6 Non-Stocked Lead-Time 7 Weeks New At Mouser	Mfr. Part # 9421LB4 Mouser Part # 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	¥31,080.6	Min.: 1 Mult.: 1
Circuit Breakers OPERATING MECHANISM 600VAC 100AMP NEMA 9421LF1 Square D 1: ¥21,697.6 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	¥21,697.6	Min.: 1 Mult.: 1
Circuit Breaker Accessories OPERATING MECHANISM HANDLE NEMA 9421LH43 Square D 1: ¥50,426.3 Non-Stocked Lead-Time 9 Weeks New At Mouser	Mfr. Part # 9421LH43 Mouser Part # 996-9421LH43 New At Mouser	Square D	Circuit Breaker Accessories OPERATING MECHANISM HANDLE NEMA	Datasheet	Non-Stocked Lead-Time 9 Weeks	¥50,426.3	Min.: 1 Mult.: 1
Circuit Breaker Accessories ROTARY OPERATING MECH 600VAC 250 NEMA 9421LJ4 Square D 1: ¥57,746.3 Non-Stocked Lead-Time 3 Weeks New At Mouser	Mfr. Part # 9421LJ4 Mouser Part # 996-9421LJ4 New At Mouser	Square D	Circuit Breaker Accessories ROTARY OPERATING MECH 600VAC 250 NEMA	Datasheet	Non-Stocked Lead-Time 3 Weeks	¥57,746.3	Min.: 1 Mult.: 1
Circuit Breaker Accessories OPERATING MECHANISM LONG SHAFT NEMA 9421LS10 Square D 1: ¥6,858.3 Non-Stocked Lead-Time 7 Weeks New At Mouser	Mfr. Part # 9421LS10 Mouser Part # 996-9421LS10 New At Mouser	Square D	Circuit Breaker Accessories OPERATING MECHANISM LONG SHAFT NEMA	Datasheet	Non-Stocked Lead-Time 7 Weeks	¥6,858.3	Min.: 1 Mult.: 1
Circuit Breaker Accessories DOOR MOUNTED OP MECH FOR 400A BREAKER 9421LZ400 Square D 1: ¥32,789.8 Non-Stocked Lead-Time 10 Weeks New At Mouser	Mfr. Part # 9421LZ400 Mouser Part # 996-9421LZ400 New At Mouser	Square D	Circuit Breaker Accessories DOOR MOUNTED OP MECH FOR 400A BREAKER	Datasheet	Non-Stocked Lead-Time 10 Weeks	¥32,789.8	Min.: 1 Mult.: 1
Circuit Breaker Accessories OPERATING MECHANISM CABLE MECHANISM NEMA 9422CLA50 Square D 1: ¥107,910.2 Non-Stocked Lead-Time 4 Weeks New At Mouser	Mfr. Part # 9422CLA50 Mouser Part # 996-9422CLA50 New At Mouser	Square D	Circuit Breaker Accessories OPERATING MECHANISM CABLE MECHANISM NEMA	Datasheet	Non-Stocked Lead-Time 4 Weeks	¥107,910.2	Min.: 1 Mult.: 1

Share This

Square D Circuit Protection

Types of Circuit Protection