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UM Series Circuit Breakers & Accessories

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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 10A MCB CCHAR 3 PL 480Y/277VAC UL508 3C10UM Altech 1: ¥12,377.8 31In Stock	Mfr. Part # 3C10UM Mouser Part # 845-3C10UM	Altech	Circuit Breakers 10A MCB CCHAR 3 PL 480Y/277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	31In Stock	¥12,377.8 ¥11,283.2 ¥10,746.7 ¥10,416.1 View ¥10,160.3 Quote	Min.: 1 Mult.: 1
Circuit Breakers 32A Z Characteristic UL 508 1 POLE 1Z32UM Altech 1: ¥9,775 12In Stock	Mfr. Part # 1Z32UM Mouser Part # 845-1Z32UM	Altech	Circuit Breakers 32A Z Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	12In Stock	¥9,775 ¥8,454.5 ¥7,798.4 ¥6,590.8 View ¥6,388.2 ¥6,208.8 Quote	Min.: 1 Mult.: 1
Circuit Breakers 13A Z Characteristic UL 508 1 POLE 1Z13UM Altech 1: ¥9,775 11In Stock	Mfr. Part # 1Z13UM Mouser Part # 845-1Z13UM	Altech	Circuit Breakers 13A Z Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	11In Stock	¥9,775 ¥8,454.5 ¥7,798.4 ¥6,185.6 View ¥5,989.6 ¥5,828.4 Quote	Min.: 1 Mult.: 1
Circuit Breakers 40A D Characteristic UL 508 1 POLE 1D40UM Altech 1: ¥6,381.6 11In Stock 1Expected 10/16/2026	Mfr. Part # 1D40UM Mouser Part # 845-1D40UM	Altech	Circuit Breakers 40A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	11In Stock 1Expected 10/16/2026	¥6,381.6 ¥5,391.6 ¥5,200.6 ¥4,047.9 View ¥3,915 ¥3,797 ¥3,702.4 Quote	Min.: 1 Mult.: 1
Circuit Breakers 16A MCB GCHAR 1P+N 277VAC UL508 2G16UM Altech 1: ¥7,906.4 50In Stock	Mfr. Part # 2G16UM Mouser Part # 845-2G16UM	Altech	Circuit Breakers 16A MCB GCHAR 1P+N 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	50In Stock	¥7,906.4 ¥7,521 ¥7,243.6 ¥6,778.5 View Quote	Min.: 1 Mult.: 1
Circuit Breakers 20A MCB GCHAR 1P+N 277VAC UL508 2G20UM Altech 1: ¥7,906.4 42In Stock	Mfr. Part # 2G20UM Mouser Part # 845-2G20UM	Altech	Circuit Breakers 20A MCB GCHAR 1P+N 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	42In Stock	¥7,906.4 ¥7,134 ¥6,931.4 ¥6,758.6 View Quote	Min.: 1 Mult.: 1
Circuit Breakers 20A MCB B CHAR 3 PL 480Y/277VAC UL508 3B20UM Altech 1: ¥16,331 32In Stock	Mfr. Part # 3B20UM Mouser Part # 845-3B20UM	Altech	Circuit Breakers 20A MCB B CHAR 3 PL 480Y/277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	32In Stock	¥16,331 ¥13,690 ¥12,944.2 ¥11,042.3 View ¥10,740 Quote	Min.: 1 Mult.: 1
Circuit Breakers 13A MCB B Char 1pl 277VAC UL508 1B13UM Altech 1: ¥7,115.7 1In Stock	Mfr. Part # 1B13UM Mouser Part # 845-1B13UM	Altech	Circuit Breakers 13A MCB B Char 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	¥7,115.7 ¥6,022.8 ¥4,602.6 ¥4,137.6 View ¥3,951.5 ¥3,833.6 ¥3,733.9 Quote	Min.: 1 Mult.: 1
Circuit Breakers 15A CRT BRKR BCHAR 1pl UL508 1B15UM Altech 1: ¥6,085.9 8In Stock	Mfr. Part # 1B15UM Mouser Part # 845-1B15UM	Altech	Circuit Breakers 15A CRT BRKR BCHAR 1pl UL508 Learn More about Altech um v ea circuit breakers	Datasheet	8In Stock	¥6,085.9 ¥5,047.8 ¥4,125.9 ¥3,662.5 View ¥3,579.5 ¥3,464.8 ¥3,381.8 Quote	Min.: 1 Mult.: 1
Circuit Breakers 30A CRT BRKR BCHAR 1pl UL508 1B30UM Altech 1: ¥6,085.9 10In Stock	Mfr. Part # 1B30UM Mouser Part # 845-1B30UM	Altech	Circuit Breakers 30A CRT BRKR BCHAR 1pl UL508 Learn More about Altech um v ea circuit breakers	Datasheet	10In Stock	¥6,085.9 ¥5,047.8 ¥4,657.4 ¥3,773.8 View ¥3,675.8 ¥3,564.5 ¥3,481.5 Quote	Min.: 1 Mult.: 1
Circuit Breakers 1BU3A MCB B CHar 1 pl 277V UL 508 1B3UM Altech 1: ¥6,085.9 1In Stock	Mfr. Part # 1B3UM Mouser Part # 845-1B3UM	Altech	Circuit Breakers 1BU3A MCB B CHar 1 pl 277V UL 508 Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	¥6,085.9 ¥4,831.8 ¥4,434.9 ¥3,931.6 View ¥3,810.3 ¥3,692.4 ¥3,582.8 Quote	Min.: 1 Mult.: 1
Circuit Breakers 6A MCB B Char 1 pl 277VAC UL508 1B6UM Altech 1: ¥5,670.7 6In Stock	Mfr. Part # 1B6UM Mouser Part # 845-1B6UM	Altech	Circuit Breakers 6A MCB B Char 1 pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	6In Stock	¥5,670.7 ¥4,740.5 ¥3,951.5 ¥3,878.4 View ¥3,772.1 ¥3,657.5 ¥3,562.8 Quote	Min.: 1 Mult.: 1
Circuit Breakers .3A MCB CChar 1pl 277VAC UL508 1C03UM Altech 1: ¥5,670.7 2In Stock	Mfr. Part # 1C03UM Mouser Part # 845-1C03UM	Altech	Circuit Breakers .3A MCB CChar 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	2In Stock	¥5,670.7 ¥3,951.5 ¥3,863.5 ¥3,581.1 View ¥3,444.9 ¥3,340.3 ¥3,258.9 Quote	Min.: 1 Mult.: 1
Circuit Breakers 10A MCB CCHAR 1pl 277VAC UL508 1C10UM Altech 1: ¥5,062.7 25In Stock	Mfr. Part # 1C10UM Mouser Part # 845-1C10UM	Altech	Circuit Breakers 10A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	25In Stock	¥5,062.7 ¥4,498 ¥3,528 ¥3,481.5 View ¥3,370.2 ¥3,287.1 Quote	Min.: 1 Mult.: 1
Circuit Breakers 5A CRT BRKR CCHAR 277VAC UL508 1C15UM Altech 1: ¥5,670.7 1In Stock	Mfr. Part # 1C15UM Mouser Part # 845-1C15UM	Altech	Circuit Breakers 5A CRT BRKR CCHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	¥5,670.7 ¥3,951.5 ¥3,755.5 ¥3,582.8 View ¥3,420 ¥3,336.9 Quote	Min.: 1 Mult.: 1
Circuit Breakers 16A MCB CCHAR 1pl 277VAC UL508 1C16UM Altech 1: ¥5,670.7 1In Stock	Mfr. Part # 1C16UM Mouser Part # 845-1C16UM	Altech	Circuit Breakers 16A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	¥5,670.7 ¥3,951.5 ¥3,773.8 ¥3,627.6 View ¥3,508 ¥3,413.4 Quote	Min.: 1 Mult.: 1
Circuit Breakers 2A MCB CCHAR 1pl 277VAC UL508 1C2UM Altech 1: ¥3,951.5 13In Stock	Mfr. Part # 1C2UM Mouser Part # 845-1C2UM	Altech	Circuit Breakers 2A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	13In Stock	¥3,951.5 ¥3,846.9 ¥3,767.1 ¥3,670.8 View ¥3,582.8 Quote	Min.: 1 Mult.: 1
Circuit Breakers 3A MCB CCHAR 1pl 277VAC UL508 1C3UM Altech 1: ¥3,951.5 3In Stock	Mfr. Part # 1C3UM Mouser Part # 845-1C3UM	Altech	Circuit Breakers 3A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	3In Stock	¥3,951.5 ¥3,939.9 ¥3,823.6 ¥3,738.9 View ¥3,647.6 Quote	Min.: 1 Mult.: 1
Circuit Breakers 4A MCB CCHAR 1pl 277VAC UL508 1C4UM Altech 1: ¥6,085.9 8In Stock	Mfr. Part # 1C4UM Mouser Part # 845-1C4UM	Altech	Circuit Breakers 4A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	8In Stock	¥6,085.9 ¥5,047.8 ¥4,541.2 ¥3,923.3 View ¥3,785.4 ¥3,652.5 ¥3,576.1 Quote	Min.: 1 Mult.: 1
Circuit Breakers 5A MCB CCHAR 1pl 277VAC UL508 1C5UM Altech 1: ¥5,471.3 13In Stock	Mfr. Part # 1C5UM Mouser Part # 845-1C5UM	Altech	Circuit Breakers 5A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	13In Stock	¥5,471.3 ¥4,895 ¥4,576.1 ¥4,034.6 View ¥3,928.3 ¥3,833.6 ¥3,730.6 Quote	Min.: 1 Mult.: 1
Circuit Breakers 6A MCB CCHAR 1pl 277VAC UL508 1C6UM Altech 1: ¥6,085.9 14In Stock	Mfr. Part # 1C6UM Mouser Part # 845-1C6UM	Altech	Circuit Breakers 6A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	14In Stock	¥6,085.9 ¥5,047.8 ¥4,657.4 ¥3,845.2 View ¥3,758.8 ¥3,635.9 ¥3,541.3 Quote	Min.: 1 Mult.: 1
Circuit Breakers 8A MCB CCHAR 1pl 277VAC UL508 1C8UM Altech 1: ¥6,484.5 1In Stock	Mfr. Part # 1C8UM Mouser Part # 845-1C8UM	Altech	Circuit Breakers 8A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	¥6,484.5 ¥3,951.5 ¥3,863.5 ¥3,788.7 Quote Quote	Min.: 1 Mult.: 1
Circuit Breakers 10A D Characteristic UL 508 1 POLE 1D10UM Altech 1: ¥4,808.6 24In Stock	Mfr. Part # 1D10UM Mouser Part # 845-1D10UM	Altech	Circuit Breakers 10A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	24In Stock	¥4,808.6 ¥4,549.5 ¥4,464.8 ¥3,599.4 View ¥3,474.8 ¥3,376.8 ¥3,308.7 Quote	Min.: 1 Mult.: 1
Circuit Breakers 15A D Characteristic UL 508 1 POLE 1D15UM Altech 1: ¥3,951.5 4In Stock	Mfr. Part # 1D15UM Mouser Part # 845-1D15UM	Altech	Circuit Breakers 15A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	4In Stock	¥3,951.5 ¥3,898.4 ¥3,753.9 ¥3,418.3 View ¥3,341.9 Quote	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 ¥5,218.9 ¥3,951.5 ¥3,830.3 View ¥3,690.7 ¥3,609.4 ¥3,539.6 Quote	Min.: 1 Mult.: 1