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UM Series Circuit Breakers

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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.	Series	Product	Type	Current Rating	Voltage Rating AC	Voltage Rating DC	Number of Poles	Actuator	Minimum Operating Temperature	Maximum Operating Temperature	Illuminated
Circuit Breakers 25A MCB GCHAR 1P+N 277VAC UL508 2G25UM Altech 1: ¥10,974.2 1In Stock	Mfr. Part # 2G25UM Mouser Part # 845-2G25UM	Altech	Circuit Breakers 25A MCB GCHAR 1P+N 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	¥10,974.2 ¥7,906.4 ¥7,859.9 ¥7,177.2 View ¥6,893.2 ¥6,639 Quote	Min.: 1 Mult.: 1	UM			25 A	277 VAC	80 VDC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 6A MCB GCHAR 1P+N 277VAC UL508 2G6UM Altech 1: ¥10,142.1 8In Stock	Mfr. Part # 2G6UM Mouser Part # 845-2G6UM	Altech	Circuit Breakers 6A MCB GCHAR 1P+N 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	8In Stock	¥10,142.1 ¥9,248.4 ¥7,906.4 ¥7,293.5 View ¥7,077.5 ¥6,916.4 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	G-Trip	6 A	277 VAC	80 VDC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 30A MCB ZCHAR 1P+N 277VAC UL508 2Z30UM Altech 1: ¥14,859.3 5In Stock	Mfr. Part # 2Z30UM Mouser Part # 845-2Z30UM	Altech	Circuit Breakers 30A MCB ZCHAR 1P+N 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	5In Stock	¥14,859.3 ¥14,804.5 ¥13,417.6 Quote Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	Z-Trip	30 A	277 VAC	60 VDC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1A MCB CCHAR 3 PL 480Y/277VAC UL508 3C1UM Altech 1: ¥17,807.6 1In Stock	Mfr. Part # 3C1UM Mouser Part # 845-3C1UM	Altech	Circuit Breakers 1A MCB CCHAR 3 PL 480Y/277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	¥17,807.6 ¥13,683.3 ¥11,856.2 ¥11,426 View ¥11,097.1 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	C-Trip	1 A	277 VAC	80 VDC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 4A MCB CCHAR 3 PL 480Y/277VAC UL508 3C4UM Altech 1: ¥15,915.7 10In Stock	Mfr. Part # 3C4UM Mouser Part # 845-3C4UM	Altech	Circuit Breakers 4A MCB CCHAR 3 PL 480Y/277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	10In Stock	¥15,915.7 ¥13,661.7 ¥12,942.5 ¥11,017.4 View ¥10,715.1 Quote	Min.: 1 Mult.: 1	UM			4 A	277 VAC	80 VDC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 6A MCB CCHARL 480Y/277VAC UL508 3C6UM Altech 1: ¥15,915.7 1In Stock	Mfr. Part # 3C6UM Mouser Part # 845-3C6UM	Altech	Circuit Breakers 6A MCB CCHARL 480Y/277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	¥15,915.7 ¥11,856.2 ¥11,781.5 ¥11,017.4 View ¥10,715.1 Quote	Min.: 1 Mult.: 1	UM			6 A	277 VAC	80 VDC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 15A D Characteristic UL 508 3 POLE 3D15UM Altech 1: ¥11,856.2 5In Stock	Mfr. Part # 3D15UM Mouser Part # 845-3D15UM	Altech	Circuit Breakers 15A D Characteristic UL 508 3 POLE Learn More about Altech um v ea circuit breakers	Datasheet	5In Stock	¥11,856.2 ¥11,565.5 ¥10,864.6 ¥10,587.2 View Quote	Min.: 1 Mult.: 1	UM			15 A	277 VAC	60 VDC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 3D1UM, 1A,CIRCUIT BREAKER 3D1UM Altech 1: ¥15,915.7 7In Stock	Mfr. Part # 3D1UM Mouser Part # 845-3D1UM	Altech	Circuit Breakers 3D1UM, 1A,CIRCUIT BREAKER Learn More about Altech um v ea circuit breakers	Datasheet	7In Stock	¥15,915.7 ¥14,731.4 ¥11,630.3 ¥11,339.6 View ¥11,158.6 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	D-Trip	1 A	277 VAC	80 VDC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 5A CRT BRKR ECHAR 277VAC UL508 3E5UM Altech 1: ¥16,331 2In Stock	Mfr. Part # 3E5UM Mouser Part # 845-3E5UM	Altech	Circuit Breakers 5A CRT BRKR ECHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	2In Stock	¥16,331 ¥12,565.5 ¥11,781.5 ¥11,042.3 View ¥10,740 Quote	Min.: 1 Mult.: 1	UM			5 A	277 VAC	80 VDC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 40A D Characteristic UL 508 3 POLE 3D40UM Altech 1: ¥13,474 4Expected 1/25/2027	Mfr. Part # 3D40UM Mouser Part # 845-3D40UM	Altech	Circuit Breakers 40A D Characteristic UL 508 3 POLE Learn More about Altech um v ea circuit breakers	Datasheet	4Expected 1/25/2027	¥13,474 ¥13,269.7 ¥12,985.7 View Quote	Min.: 1 Mult.: 1	UM			40 A	277 VAC	80 VDC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 6A D Characteristic UL 508 1 POLE 1D6UM Altech 1: ¥3,951.5 2On Order	Mfr. Part # 1D6UM Mouser Part # 845-1D6UM	Altech	Circuit Breakers 6A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	2On Order	¥3,951.5 ¥3,722.3 ¥3,589.4 ¥3,489.8 View ¥3,413.4 Quote	Min.: 1 Mult.: 1	UM			6 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 6A G Characteristic UL 508 1 POLE 1G6UM Altech 1: ¥6,085.9 9Expected 3/1/2027	Mfr. Part # 1G6UM Mouser Part # 845-1G6UM	Altech	Circuit Breakers 6A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	9Expected 3/1/2027	¥6,085.9 ¥5,047.8 ¥4,657.4 ¥3,644.2 View ¥3,601 ¥3,481.5 ¥3,386.8 Quote	Min.: 1 Mult.: 1	UM			6 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A MCB CCHAR 1P+N 277VAC UL508 2C20UM Altech 1: ¥7,906.4 1Expected 10/26/2026	Mfr. Part # 2C20UM Mouser Part # 845-2C20UM	Altech	Circuit Breakers 20A MCB CCHAR 1P+N 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	1Expected 10/26/2026	¥7,906.4 ¥7,572.5 ¥6,979.5 ¥6,742 View ¥6,549.3 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	C-Trip	20 A	277 VAC	80 VDC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 30A D Characteristic UL 508 3 POLE 3D30UM Altech 1: ¥11,856.2 8Expected 10/20/2026	Mfr. Part # 3D30UM Mouser Part # 845-3D30UM	Altech	Circuit Breakers 30A D Characteristic UL 508 3 POLE Learn More about Altech um v ea circuit breakers	Datasheet	8Expected 10/20/2026	¥11,856.2 ¥10,927.7 ¥10,595.5 View Quote	Min.: 1 Mult.: 1	UM			30 A	277 VAC	80 VDC	3 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1.6.A MCB B Char 1 pl 277VAC UL508 1B1.6UM Altech 1: ¥3,951.5 8Factory Stock Available	Mfr. Part # 1B1.6UM Mouser Part # 845-1B1.6UM	Altech	Circuit Breakers 1.6.A MCB B Char 1 pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	8Factory Stock Available More Info Available	¥3,951.5 ¥3,863.5 ¥3,581.1 ¥3,444.9 View ¥3,340.3 ¥3,257.2 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	B-Trip	1.6 A	277 VAC	80 VDC	2 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 10A MCB B Char 1pl 277VAC UL508 1B10UM Altech 1: ¥6,808.4 110Factory Stock Available	Mfr. Part # 1B10UM Mouser Part # 845-1B10UM	Altech	Circuit Breakers 10A MCB B Char 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	110Factory Stock Available More Info Available	¥6,808.4 ¥6,245.4 ¥4,549.5 ¥4,057.8 View ¥3,853.5 ¥3,732.3 ¥3,709 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	B-Trip	10 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 16A MCB B Char 1pl 277VAC UL508 1B16UM Altech 1: ¥3,951.5 98Factory Stock Available	Mfr. Part # 1B16UM Mouser Part # 845-1B16UM	Altech	Circuit Breakers 16A MCB B Char 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	98Factory Stock Available More Info Available	¥3,951.5 ¥3,752.2 ¥3,599.4 ¥3,484.8 View ¥3,401.7 Quote	Min.: 1 Mult.: 1	UM			16 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1A MCB B Char 1 pl 277VAC UL508 1B1UM Altech 1: ¥5,421.5 67Factory Stock Available	Mfr. Part # 1B1UM Mouser Part # 845-1B1UM	Altech	Circuit Breakers 1A MCB B Char 1 pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	67Factory Stock Available More Info Available	¥5,421.5 ¥4,728.9 ¥4,142.5 ¥3,692.4 View ¥3,582.8 ¥3,444.9 ¥3,361.9 Quote	Min.: 1 Mult.: 1	UM			1 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1B2.5UM, 2.5A, CIRCUIT BREAKER 1B2.5UM Altech 1: ¥3,951.5 7Factory Stock Available	Mfr. Part # 1B2.5UM Mouser Part # 845-1B2.5UM	Altech	Circuit Breakers 1B2.5UM, 2.5A, CIRCUIT BREAKER Learn More about Altech um v ea circuit breakers	Datasheet	7Factory Stock Available More Info Available	¥3,951.5 ¥3,817 ¥3,675.8 ¥3,564.5 View ¥3,481.5 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	B-Trip	2.5 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 25A MCB B Char 1pl 277VAC UL508 1B25UM Altech 1: ¥3,951.5 15Factory Stock Available	Mfr. Part # 1B25UM Mouser Part # 845-1B25UM	Altech	Circuit Breakers 25A MCB B Char 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	15Factory Stock Available More Info Available	¥3,951.5 ¥3,817 ¥3,675.8 ¥3,564.5 View ¥3,481.5 Quote	Min.: 1 Mult.: 1	UM			25 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 2A MCB B Char 1 pl UL508 1B2UM Altech 1: ¥5,285.3 6Factory Stock Available	Mfr. Part # 1B2UM Mouser Part # 845-1B2UM	Altech	Circuit Breakers 2A MCB B Char 1 pl UL508 Learn More about Altech um v ea circuit breakers	Datasheet	6Factory Stock Available More Info Available	¥5,285.3 ¥4,615.9 ¥4,257.1 ¥3,767.1 View ¥3,684.1 ¥3,561.2 ¥3,466.5 Quote	Min.: 1 Mult.: 1	UM			2 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 4A MCB B Char 1 pl 277V UL 508 1B4UM Altech 1: ¥5,041.1 25Factory Stock Available	Mfr. Part # 1B4UM Mouser Part # 845-1B4UM	Altech	Circuit Breakers 4A MCB B Char 1 pl 277V UL 508 Learn More about Altech um v ea circuit breakers	Datasheet	25Factory Stock Available More Info Available	¥5,041.1 ¥4,586 ¥4,149.2 ¥3,773.8 View ¥3,675.8 ¥3,564.5 ¥3,481.5 Quote	Min.: 1 Mult.: 1	UM			4 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 50A MCB B Char 1pl 277VAC UL508 1B50UM Altech 1: ¥4,493 12Factory Stock Available	Mfr. Part # 1B50UM Mouser Part # 845-1B50UM	Altech	Circuit Breakers 50A MCB B Char 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	12Factory Stock Available More Info Available	¥4,493 ¥4,242.2 ¥4,071.1 ¥3,915 View ¥3,822 Quote	Min.: 1 Mult.: 1	UM			50 A	277 VAC	24 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 5A MCB B Char 1 pl UL508 1B5UM Altech 1: ¥5,041.1 7Factory Stock Available	Mfr. Part # 1B5UM Mouser Part # 845-1B5UM	Altech	Circuit Breakers 5A MCB B Char 1 pl UL508 Learn More about Altech um v ea circuit breakers	Datasheet	7Factory Stock Available More Info Available	¥5,041.1 ¥4,586 ¥4,149.2 ¥3,773.8 View ¥3,675.8 ¥3,564.5 ¥3,481.5 Quote	Min.: 1 Mult.: 1	UM			5 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 60A MCB B Char 1pl 277VAC UL508 1B60UM Altech 1: ¥4,493 3Factory Stock Available	Mfr. Part # 1B60UM Mouser Part # 845-1B60UM	Altech	Circuit Breakers 60A MCB B Char 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	3Factory Stock Available More Info Available	¥4,493 ¥4,491.3 ¥4,215.6 ¥4,069.5 View ¥3,938.2 ¥3,843.6 Quote	Min.: 1 Mult.: 1	UM			60 A	277 VAC	24 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated

300 mA
500 mA
750 mA
800 mA
1 A
1.6 A
2 A
2.5 A
3 A
3.5 A
4 A
5 A
6 A
8 A
10 A
12 A
12.5 A
13 A
15 A
16 A