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Square D Circuit Protection

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Industrial Surge Protectors Multi9 PRD1 75r 1P T1 120V SPD M9L11120 Square D 1: ¥15,809.4 60In Stock	Mfr. Part # M9L11120 Mouser Part # 996-M9L11120	Square D	Industrial Surge Protectors Multi9 PRD1 75r 1P T1 120V SPD Learn More about Square D schneider multi9 circuit breakers	Datasheet	60In Stock	¥15,809.4	Min.: 1 Mult.: 1
Industrial Surge Protectors Multi9 PRD1 75r 2P T1 120/240V SPD M9L12240 Square D 1: ¥24,672.5 11In Stock	Mfr. Part # M9L12240 Mouser Part # 996-M9L12240	Square D	Industrial Surge Protectors Multi9 PRD1 75r 2P T1 120/240V SPD Learn More about Square D schneider multi9 circuit breakers	Datasheet	11In Stock	¥24,672.5	Min.: 1 Mult.: 1
Industrial Surge Protectors Multi9 PRD1 75r 3P T1 480V SPD M9L53480 Square D 1: ¥41,119.7 19In Stock 23Expected 11/23/2026	Mfr. Part # M9L53480 Mouser Part # 996-M9L53480	Square D	Industrial Surge Protectors Multi9 PRD1 75r 3P T1 480V SPD Learn More about Square D schneider multi9 circuit breakers	Datasheet	19In Stock 23Expected 11/23/2026	¥41,119.7	Min.: 1 Mult.: 1
Industrial Surge Protectors SPD T1 SDSA 50KA 600V MAX 3P4W SDSA3650 Square D 1: ¥42,847.2 28In Stock	Mfr. Part # SDSA3650 Mouser Part # 996-SDSA3650	Square D	Industrial Surge Protectors SPD T1 SDSA 50KA 600V MAX 3P4W	Datasheet	28In Stock	¥42,847.2	Min.: 1 Mult.: 1
Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 125A HJA36125 Square D 1: ¥902,255.2 2In Stock	Mfr. Part # HJA36125 Mouser Part # 996-HJA36125	Square D	Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 125A	Datasheet	2In Stock	¥902,255.2	Min.: 1 Mult.: 1
Circuit Breakers MOTOR CIRCUIT PROTECTOR 600V 100A HJL36100M73 Square D 1: ¥273,400.6 1In Stock	Mfr. Part # HJL36100M73 Mouser Part # 996-HJL36100M73	Square D	Circuit Breakers MOTOR CIRCUIT PROTECTOR 600V 100A	Datasheet	1In Stock	¥273,400.6	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 150A QOB3150VH Square D 1: ¥324,592.6 1In Stock	Mfr. Part # QOB3150VH Mouser Part # 996-QOB3150VH	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 150A	Datasheet	1In Stock	¥324,592.6	Min.: 1 Mult.: 1
Panelboards & Load Centers Accessories LOAD CENTER EQUIPMENT GROUND BAR ASSY PK15GTA Square D 1: ¥2,840.3 368In Stock New At Mouser	Mfr. Part # PK15GTA Mouser Part # 996-PK15GTA New At Mouser	Square D	Panelboards & Load Centers Accessories LOAD CENTER EQUIPMENT GROUND BAR ASSY	Datasheet	368In Stock	¥2,840.3	Min.: 1 Mult.: 1
Circuit Breaker Accessories OPERATING MECHANISM STANDARD SHAFT NEMA 9421LS8 Square D 1: ¥4,144.2 6In Stock New At Mouser	Mfr. Part # 9421LS8 Mouser Part # 996-9421LS8 New At Mouser	Square D	Circuit Breaker Accessories OPERATING MECHANISM STANDARD SHAFT NEMA	Datasheet	6In Stock	¥4,144.2	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 277V 20A EDB14020 Square D 1: ¥24,920 3In Stock New At Mouser	Mfr. Part # EDB14020 Mouser Part # 996-EDB14020 New At Mouser	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 277V 20A	Datasheet	3In Stock	¥24,920	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 277V 30A EDB14030 Square D 1: ¥25,413.3 2In Stock New At Mouser	Mfr. Part # EDB14030 Mouser Part # 996-EDB14030 New At Mouser	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 277V 30A	Datasheet	2In Stock	¥25,413.3	Min.: 1 Mult.: 1
Panelboards & Load Centers Accessories LOAD CENTER EQUIPMENT GRD BAR W/CU LUG PK15GTAL Square D 1: ¥5,813.5 23In Stock New At Mouser	Mfr. Part # PK15GTAL Mouser Part # 996-PK15GTAL New At Mouser	Square D	Panelboards & Load Centers Accessories LOAD CENTER EQUIPMENT GRD BAR W/CU LUG	Datasheet	23In Stock	¥5,813.5	Min.: 1 Mult.: 1
Circuit Breaker Accessories HDSS EQUIPMENT GROUND ASSY PKOGTA4 Square D 1: ¥35,382.6 5In Stock New At Mouser	Mfr. Part # PKOGTA4 Mouser Part # 996-PKOGTA4 New At Mouser	Square D	Circuit Breaker Accessories HDSS EQUIPMENT GROUND ASSY	Datasheet	5In Stock	¥35,382.6	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 10A QOB110 Square D 1: ¥6,610.8 1In Stock New At Mouser	Mfr. Part # QOB110 Mouser Part # 996-QOB110 New At Mouser	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 10A	Datasheet	1In Stock	¥6,610.8	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 60A QOB160 Square D 1: ¥6,612.4 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	¥6,612.4	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 15A QOB215 Square D 1: ¥15,208.1 3In Stock	Mfr. Part # QOB215 Mouser Part # 996-QOB215	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 15A	Datasheet	3In Stock	¥15,208.1	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 20A QOU120 Square D 1: ¥6,677.2 20In Stock New At Mouser	Mfr. Part # QOU120 Mouser Part # 996-QOU120 New At Mouser	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 20A	Datasheet	20In Stock	¥6,677.2	Min.: 1 Mult.: 1
Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A QOU130 Square D 1: ¥6,677.2 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	¥6,677.2	Min.: 1 Mult.: 1
Circuit Breaker Accessories CIRCUIT BREAKER AUXILIARY SWITCH S29452 Square D 1: ¥61,789.2 3In Stock	Mfr. Part # S29452 Mouser Part # 996-S29452	Square D	Circuit Breaker Accessories CIRCUIT BREAKER AUXILIARY SWITCH	Datasheet	3In Stock	¥61,789.2	Min.: 1 Mult.: 1
Industrial Surge Protectors LOAD CENTER 1PH SECONDARY SURGE ARRESTOR SDSA1175 Square D 1: ¥15,892.4 1In Stock New At Mouser	Mfr. Part # SDSA1175 Mouser Part # 996-SDSA1175 New At Mouser	Square D	Industrial Surge Protectors LOAD CENTER 1PH SECONDARY SURGE ARRESTOR	Datasheet	1In Stock	¥15,892.4	Min.: 1 Mult.: 1
Industrial Surge Protectors XDSE Type 2 SPD 480Y277V 3ph4 wire 200kA Square D SSP04XDSE20A SSP04XDSE20A Square D 1: ¥647,791.7 2In Stock	Mfr. Part # SSP04XDSE20A Mouser Part # 996-SSP04XDSE20A	Square D	Industrial Surge Protectors XDSE Type 2 SPD 480Y277V 3ph4 wire 200kA	Datasheet	2In Stock	¥647,791.7 Quote Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories Acti9 COMB BUSBAR 1P 100A 24 MODULES A9XPH124 Square D 1: ¥8,640.5 16In Stock	Mfr. Part # A9XPH124 Mouser Part # 996-A9XPH124	Square D	Circuit Breaker Accessories Acti9 COMB BUSBAR 1P 100A 24 MODULES	Datasheet	16In Stock	¥8,640.5	Min.: 1 Mult.: 1
Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 45A HGL36045 Square D 1: ¥247,987.3 1In Stock New At Mouser	Mfr. Part # HGL36045 Mouser Part # 996-HGL36045 New At Mouser	Square D	Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 45A	Datasheet	1In Stock	¥247,987.3	Min.: 1 Mult.: 1
Circuit Breakers MOTOR CIRCUIT PROTECTOR 600V 30A HJL36030M71 Square D 1: ¥180,882.9 1In Stock	Mfr. Part # HJL36030M71 Mouser Part # 996-HJL36030M71	Square D	Circuit Breakers MOTOR CIRCUIT PROTECTOR 600V 30A	Datasheet	1In Stock	¥180,882.9	Min.: 1 Mult.: 1
Circuit Breaker Accessories CB FIXED HANDLE PADLOCK OFF ONLY UNIT MT LV426906 Square D 1: ¥17,958.7 2In Stock New At Mouser	Mfr. Part # LV426906 Mouser Part # 996-LV426906 New At Mouser	Square D	Circuit Breaker Accessories CB FIXED HANDLE PADLOCK OFF ONLY UNIT MT	Datasheet	2In Stock	¥17,958.7	Min.: 1 Mult.: 1

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Square D Circuit Protection

Types of Circuit Protection