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Altech 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.
Circuit Breakers 1A D Characteristic UL 508 1 POLE 1D1UM Altech 1: ¥3,951.5 8In Stock	Mfr. Part # 1D1UM Mouser Part # 845-1D1UM	Altech	Circuit Breakers 1A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	8In Stock	¥3,951.5 ¥3,949.9 ¥3,787.1 ¥3,712.3 View ¥3,621 Quote	Min.: 1 Mult.: 1
Circuit Breakers 20A, D CHAR, 1POLE 277VAC, UL489 1D20UL Altech 1: ¥7,595.8 4In Stock	Mfr. Part # 1D20UL Mouser Part # 845-1D20UL	Altech	Circuit Breakers 20A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	4In Stock	¥7,595.8 ¥6,524.4 ¥5,786.9 ¥5,340.1 View ¥5,049.4 ¥4,948.1	Min.: 1 Mult.: 1
Circuit Breakers 20A D Characteristic UL 508 1 POLE 1D20UM Altech 1: ¥5,650.7 8In Stock	Mfr. Part # 1D20UM Mouser Part # 845-1D20UM	Altech	Circuit Breakers 20A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	8In Stock	¥5,650.7 ¥5,198.9 ¥3,951.5 ¥3,830.3 View ¥3,690.7 ¥3,586.1 ¥3,516.3 Quote	Min.: 1 Mult.: 1
Circuit Breakers 20A,MCB D CHAR 1 PL, 277VAC, UL1077 1D20UR Altech 1: ¥4,228.9 18In Stock	Mfr. Part # 1D20UR Mouser Part # 845-1D20UR	Altech	Circuit Breakers 20A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	18In Stock	¥4,228.9 ¥3,557.9 ¥3,552.9 ¥2,830.3 View ¥2,714.1 ¥2,604.4 ¥2,534.7 Quote	Min.: 1 Mult.: 1
Circuit Breakers 2A, D CHAR, 1POLE 277VAC, UL489 1D2UL Altech 1: ¥6,776.9 5In Stock 4Expected 3/23/2027	Mfr. Part # 1D2UL Mouser Part # 845-1D2UL	Altech	Circuit Breakers 2A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5In Stock 4Expected 3/23/2027	¥6,776.9 ¥6,074.3 ¥5,478 ¥5,197.3 View ¥5,067.7 ¥4,908.3 Quote	Min.: 1 Mult.: 1
Circuit Breakers 2A D Characteristic UL 508 1 POLE 1D2UM Altech 1: ¥3,951.5 1In Stock	Mfr. Part # 1D2UM Mouser Part # 845-1D2UM	Altech	Circuit Breakers 2A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	¥3,951.5 ¥3,908.3 ¥3,650.9 ¥3,518 View ¥3,418.3 ¥3,341.9 Quote	Min.: 1 Mult.: 1
Circuit Breakers 30A D Characteristic UL 508 1 POLE 1D30UM Altech 1: ¥5,670.7 4In Stock	Mfr. Part # 1D30UM Mouser Part # 845-1D30UM	Altech	Circuit Breakers 30A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	4In Stock	¥5,670.7 ¥3,951.5 ¥3,755.5 ¥3,582.8 View ¥3,488.1 ¥3,405.1 Quote	Min.: 1 Mult.: 1
Circuit Breakers 4A,MCB D CHAR 1 PL, 277VAC, UL1077 1D4UR Altech 1: ¥4,644.2 6In Stock	Mfr. Part # 1D4UR Mouser Part # 845-1D4UR	Altech	Circuit Breakers 4A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	6In Stock	¥4,644.2 ¥3,853.5 ¥3,137.6 ¥2,851.9 View ¥2,762.2 ¥2,685.8 ¥2,624.4 Quote	Min.: 1 Mult.: 1
Circuit Breakers 5A D Characteristic UL 508 1 POLE 1D5UM Altech 1: ¥5,670.7 1In Stock 33On Order	Mfr. Part # 1D5UM Mouser Part # 845-1D5UM	Altech	Circuit Breakers 5A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock 33On Order On Order Ship Dates Mfr. #: 1D5UM Stock: 1 Can Ship Immediately On Order: 14 Expected 11/3/2026 19 Expected 11/9/2026 Factory Lead-Time: 18 Weeks	¥5,670.7 ¥3,951.5 ¥3,938.2 ¥3,659.2 View ¥3,513 ¥3,421.7 ¥3,341.9 Quote	Min.: 1 Mult.: 1
Circuit Breakers 63A, D CHAR, 1POLE 240VAC, UL489 1D63UL Altech 1: ¥8,324.9 5In Stock	Mfr. Part # 1D63UL Mouser Part # 845-1D63UL	Altech	Circuit Breakers 63A, D CHAR, 1POLE 240VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5In Stock	¥8,324.9 ¥7,115.7 ¥5,929.8 ¥5,924.8 View ¥5,772 ¥5,642.4 Quote	Min.: 1 Mult.: 1
Circuit Breakers 8A,MCB D CHAR 1 PL, 277VAC, UL1077 1D8UR Altech 1: ¥4,644.2 2In Stock	Mfr. Part # 1D8UR Mouser Part # 845-1D8UR	Altech	Circuit Breakers 8A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	2In Stock	¥4,644.2 ¥3,219 ¥2,901.8 ¥2,617.7 View ¥2,589.5 ¥2,513.1 ¥2,450	Min.: 1 Mult.: 1
Circuit Breakers 10A CRT BRKR ECHAR 277VAC UL508 1E10UM Altech 1: ¥5,670.7 10In Stock	Mfr. Part # 1E10UM Mouser Part # 845-1E10UM	Altech	Circuit Breakers 10A CRT BRKR ECHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	10In Stock	¥5,670.7 ¥4,740.5 ¥4,657.4 ¥3,840.2 View ¥3,694.1 ¥3,597.7 ¥3,511.4 Quote	Min.: 1 Mult.: 1
Circuit Breakers 15A CRT BKR ECHAR 277VAC UL508 1E15UM Altech 1: ¥5,670.7 5In Stock	Mfr. Part # 1E15UM Mouser Part # 845-1E15UM	Altech	Circuit Breakers 15A CRT BKR ECHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	5In Stock	¥5,670.7 ¥4,740.5 ¥3,951.5 ¥3,825.3 View ¥3,684.1 ¥3,589.4 ¥3,508 Quote	Min.: 1 Mult.: 1
Circuit Breakers 4A CRT BRKR ECHAR 277VAC UL508 1E4UM Altech 1: ¥5,670.7 6In Stock	Mfr. Part # 1E4UM Mouser Part # 845-1E4UM	Altech	Circuit Breakers 4A CRT BRKR ECHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	6In Stock	¥5,670.7 ¥4,740.5 ¥3,951.5 ¥3,817 View ¥3,675.8 ¥3,581.1 ¥3,499.7 Quote	Min.: 1 Mult.: 1
Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508 1E50UM Altech 1: ¥6,381.6 11In Stock	Mfr. Part # 1E50UM Mouser Part # 845-1E50UM	Altech	Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	11In Stock	¥6,381.6 ¥5,391.6 ¥5,200.6 ¥4,343.5 View ¥4,199 ¥4,089.4 Quote	Min.: 1 Mult.: 1
Circuit Breakers 10A G Characteristic UL 508 1 POLE 1G10UM Altech 1: ¥4,564.4 21In Stock	Mfr. Part # 1G10UM Mouser Part # 845-1G10UM	Altech	Circuit Breakers 10A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	21In Stock	¥4,564.4 ¥4,476.4 ¥4,120.9 ¥3,913.3 View ¥3,770.5 ¥3,714 ¥3,690.7 Quote	Min.: 1 Mult.: 1
Circuit Breakers 25A G Characteristic UL 508 1 POLE 1G25UM Altech 1: ¥6,085.9 1In Stock	Mfr. Part # 1G25UM Mouser Part # 845-1G25UM	Altech	Circuit Breakers 25A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	¥6,085.9 ¥4,253.8 ¥3,835.2 ¥3,463.2 View ¥3,444.9 ¥3,350.2 ¥3,267.2 Quote	Min.: 1 Mult.: 1
Circuit Breakers 3.5A MCB GCHAR 1pl 277VAC UL508 1G3.5UM Altech 1: ¥5,670.7 3In Stock	Mfr. Part # 1G3.5UM Mouser Part # 845-1G3.5UM	Altech	Circuit Breakers 3.5A MCB GCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	3In Stock	¥5,670.7 ¥3,951.5 ¥3,817 ¥3,675.8 View ¥3,581.1 ¥3,498.1 Quote	Min.: 1 Mult.: 1
Circuit Breakers 30A G Characteristic UL 508 1 POLE 1G30UM Altech 1: ¥5,670.7 1In Stock	Mfr. Part # 1G30UM Mouser Part # 845-1G30UM	Altech	Circuit Breakers 30A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	¥5,670.7 ¥3,951.5 ¥3,752.2 ¥3,599.4 View ¥3,506.4 ¥3,423.3 Quote	Min.: 1 Mult.: 1
Circuit Breakers 5A G Characteristic UL 508 1 POLE 1G5UM Altech 1: ¥3,951.5 21In Stock	Mfr. Part # 1G5UM Mouser Part # 845-1G5UM	Altech	Circuit Breakers 5A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	21In Stock	¥3,951.5 ¥3,898.4 ¥3,707.4 ¥3,572.8 View ¥3,478.1 Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 Ph Busbar 204.6mm 12Pin, 115A 1P16UL3/12 Altech 1: ¥4,617.6 8In Stock	Mfr. Part # 1P16UL3/12 Mouser Part # 845-1P16UL3/12	Altech	Circuit Breaker Accessories 1 Ph Busbar 204.6mm 12Pin, 115A Learn More about Altech busbar system	Datasheet	8In Stock	¥4,617.6 ¥4,453.1 ¥4,109.3 ¥3,175.8 View ¥3,104.4 ¥3,004.7 ¥2,931.7 Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 Ph Busbar 310.2mm 18Pin, 115A 1P16UL3/18 Altech 1: ¥7,423 1In Stock	Mfr. Part # 1P16UL3/18 Mouser Part # 845-1P16UL3/18	Altech	Circuit Breaker Accessories 1 Ph Busbar 310.2mm 18Pin, 115A Learn More about Altech busbar system	Datasheet	1In Stock	¥7,423 ¥5,579.3 ¥5,203.9 ¥4,810.3 View ¥4,650.8 ¥4,529.5 Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 Ph Busbar 99mm 6Pin, 115A 1P16UL3/6 Altech 1: ¥2,825.4 106In Stock	Mfr. Part # 1P16UL3/6 Mouser Part # 845-1P16UL3/6	Altech	Circuit Breaker Accessories 1 Ph Busbar 99mm 6Pin, 115A Learn More about Altech busbar system	Datasheet	106In Stock	¥2,825.4 ¥2,627.7 ¥2,508.1 ¥2,406.8 View ¥2,044.7 ¥1,993.2 ¥1,935.1 ¥1,916.8 Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 3Pin3x1Pole50.3mm 1 PhaseBusbar 1P18U1/3 Altech 1: ¥1,725.8 9In Stock	Mfr. Part # 1P18U1/3 Mouser Part # 845-1P18U1/3	Altech	Circuit Breaker Accessories 3Pin3x1Pole50.3mm 1 PhaseBusbar Learn More about Altech busbar system	Datasheet	9In Stock	¥1,725.8 ¥1,619.5 ¥1,554.7 ¥1,249.1 View ¥1,237.4 ¥1,186 ¥1,134.5 ¥1,119.5 Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 Ph Busbar 68.0mm 4Pin 4x1 pole, 80A 1P18U1/4 Altech 1: ¥1,360.4 37In Stock	Mfr. Part # 1P18U1/4 Mouser Part # 845-1P18U1/4	Altech	Circuit Breaker Accessories 1 Ph Busbar 68.0mm 4Pin 4x1 pole, 80A Learn More about Altech busbar system	Datasheet	37In Stock	¥1,360.4 ¥1,358.7 ¥1,335.4 ¥1,285.6 View ¥1,272.3 Quote	Min.: 1 Mult.: 1

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Altech Circuit Protection

Types of Circuit Protection