.hide-partial { max-height: none; } .show-more { display: none; }

Circuit Breakers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 1.160

Applied Filters:

Brand = Multiple Values

Series

Product

Type

Current Rating

Voltage Rating AC

Voltage Rating DC

Number of Poles

Actuator

Minimum Operating Temperature

Maximum Operating Temperature

Illuminated

Packaging

Reset All

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 (IDR) 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 16A,MCB B CHAR 1 PL, 277VAC, UL1077 1B16UR Altech 1: Rp327.476 1Factory Stock Available	Mfr. Part No. 1B16UR Mouser Part No 845-1B16UR	Altech	Circuit Breakers 16A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	1Factory Stock Available More Info Available	Rp327.476 Rp313.900 Rp297.756 Rp285.464 View Rp278.492 Quote	Min.: 1 Mult.: 1	UR			16 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1A MCB B Char 1 pl 277VAC UL508 1B1UM Altech 1: Rp598.813 67Factory Stock Available	Mfr. Part No. 1B1UM Mouser Part No 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	Rp598.813 Rp522.311 Rp457.549 Rp407.832 View Rp395.723 Rp380.496 Rp371.323 Quote	Min.: 1 Mult.: 1	UM			1 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1A,MCB B CHAR 1 PL, 277VAC, UL1077 1B1UR Altech 1: Rp327.476 9Factory Stock Available	Mfr. Part No. 1B1UR Mouser Part No 845-1B1UR	Altech	Circuit Breakers 1A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	9Factory Stock Available More Info Available	Rp327.476 Rp317.936 Rp302.342 Rp292.619 View Rp285.647 Quote	Min.: 1 Mult.: 1	UR			1 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1B2.5UM, 2.5A, CIRCUIT BREAKER 1B2.5UM Altech 1: Rp436.451 7Factory Stock Available	Mfr. Part No. 1B2.5UM Mouser Part No 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	Rp436.451 Rp421.591 Rp405.997 Rp393.705 View Rp384.532 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 20A,MCB B CHAR 1 PL, 277VAC, UL1077 1B20UR Altech 1: Rp421.591 32Factory Stock Available	Mfr. Part No. 1B20UR Mouser Part No 845-1B20UR	Altech	Circuit Breakers 20A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	32Factory Stock Available More Info Available	Rp421.591 Rp383.064 Rp349.124 Rp317.569 View Rp308.763 Rp298.123 Rp290.234 Quote	Min.: 1 Mult.: 1	UR			20 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 25A MCB B Char 1pl 277VAC UL508 1B25UM Altech 1: Rp436.451 15Factory Stock Available	Mfr. Part No. 1B25UM Mouser Part No 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	Rp436.451 Rp421.591 Rp405.997 Rp393.705 View Rp384.532 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: Rp583.770 6Factory Stock Available	Mfr. Part No. 1B2UM Mouser Part No 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	Rp583.770 Rp509.835 Rp470.208 Rp416.087 View Rp406.914 Rp393.338 Rp382.881 Quote	Min.: 1 Mult.: 1	UM			2 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 30A,MCB B CHAR 1 PL, 277VAC, UL1077 1B30UR Altech 1: Rp327.476 30Factory Stock Available	Mfr. Part No. 1B30UR Mouser Part No 845-1B30UR	Altech	Circuit Breakers 30A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	30Factory Stock Available More Info Available	Rp327.476 Rp317.936 Rp305.094 Rp295.371 View Rp288.583 Quote	Min.: 1 Mult.: 1	UR			30 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 32A,MCB B CHAR 1 PL, 277VAC, UL1077 1B32UR Altech 1: Rp327.476 37Factory Stock Available	Mfr. Part No. 1B32UR Mouser Part No 845-1B32UR	Altech	Circuit Breakers 32A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	37Factory Stock Available More Info Available	Rp327.476 Rp317.936 Rp305.094 Rp295.371 View Rp288.583 Quote	Min.: 1 Mult.: 1	UR			32 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 3A,MCB B CHAR 1 PL, 277VAC, UL1077 1B3UR Altech 1: Rp529.466 92Factory Stock Available	Mfr. Part No. 1B3UR Mouser Part No 845-1B3UR	Altech	Circuit Breakers 3A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	92Factory Stock Available More Info Available	Rp529.466 Rp491.122 Rp388.752 Rp343.254 View Rp326.008 Rp316.469 Rp310.231 Quote	Min.: 1 Mult.: 1	UR			3 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 40A,MCB B CHAR 1 PL, 277VAC, UL1077 1B40UR Altech 1: Rp347.290 17Factory Stock Available	Mfr. Part No. 1B40UR Mouser Part No 845-1B40UR	Altech	Circuit Breakers 40A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	17Factory Stock Available More Info Available	Rp347.290 Rp332.980 Rp315.735 Rp302.709 View Rp295.371 Quote	Min.: 1 Mult.: 1	UR			40 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 4A MCB B Char 1 pl 277V UL 508 1B4UM Altech 1: Rp556.801 25Factory Stock Available	Mfr. Part No. 1B4UM Mouser Part No 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	Rp556.801 Rp506.533 Rp458.283 Rp416.821 View Rp405.997 Rp393.705 Rp384.532 Quote	Min.: 1 Mult.: 1	UM			4 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 4A,MCB B CHAR 1 PL, 277VAC, UL1077 1B4UR Altech 1: Rp327.476 3Factory Stock Available	Mfr. Part No. 1B4UR Mouser Part No 845-1B4UR	Altech	Circuit Breakers 4A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	3Factory Stock Available More Info Available	Rp327.476 Rp295.554 Rp284.913 Rp275.007 View Rp267.118 Quote	Min.: 1 Mult.: 1	UR			4 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 50A MCB B Char 1pl 277VAC UL508 1B50UM Altech 1: Rp496.259 12Factory Stock Available	Mfr. Part No. 1B50UM Mouser Part No 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	Rp496.259 Rp468.557 Rp449.660 Rp432.415 View Rp422.141 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: Rp556.801 7Factory Stock Available	Mfr. Part No. 1B5UM Mouser Part No 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	Rp556.801 Rp506.533 Rp458.283 Rp416.821 View Rp405.997 Rp393.705 Rp384.532 Quote	Min.: 1 Mult.: 1	UM			5 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 5A,MCB B CHAR 1 PL, 277VAC, UL1077 1B5UR Altech 1: Rp327.476 58Factory Stock Available	Mfr. Part No. 1B5UR Mouser Part No 845-1B5UR	Altech	Circuit Breakers 5A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	58Factory Stock Available More Info Available	Rp327.476 Rp317.202 Rp303.443 Rp295.554 View Quote	Min.: 1 Mult.: 1	UR			5 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 60A MCB B Char 1pl 277VAC UL508 1B60UM Altech 1: Rp496.259 3Factory Stock Available	Mfr. Part No. 1B60UM Mouser Part No 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	Rp496.259 Rp496.076 Rp465.621 Rp449.477 View Rp434.984 Rp424.526 Quote	Min.: 1 Mult.: 1	UM			60 A	277 VAC	24 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 8A,MCB B CHAR 1 PL, 277VAC, UL1077 1B8UR Altech 1: Rp327.476 53Factory Stock Available	Mfr. Part No. 1B8UR Mouser Part No 845-1B8UR	Altech	Circuit Breakers 8A,MCB B CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	53Factory Stock Available More Info Available	Rp327.476 Rp317.936 Rp305.094 Rp295.371 View Rp288.583 Quote	Min.: 1 Mult.: 1	UR			8 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers .5A MCB CChar 1pl 277VAC UL508 1C05UM Altech 1: Rp436.451 7Factory Stock Available	Mfr. Part No. 1C05UM Mouser Part No 845-1C05UM	Altech	Circuit Breakers .5A MCB CChar 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	7Factory Stock Available More Info Available	Rp436.451 Rp436.268 Rp433.333 View Quote	Min.: 1 Mult.: 1	UM			500 mA	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 0.5A,MCB C CHAR 1 PL, 277VAC, UL1077 1C05UR Altech 1: Rp327.476 74Factory Stock Available	Mfr. Part No. 1C05UR Mouser Part No 845-1C05UR	Altech	Circuit Breakers 0.5A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	74Factory Stock Available More Info Available	Rp327.476 Rp322.890 Rp309.864 Rp299.957 View Rp293.169 Quote	Min.: 1 Mult.: 1	UR			500 mA	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers .75A MCB CCHAR 1pl 277VAC UL508 1C075UM Altech 1: Rp436.451 5Factory Stock Available	Mfr. Part No. 1C075UM Mouser Part No 845-1C075UM	Altech	Circuit Breakers .75A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	5Factory Stock Available More Info Available	Rp436.451 Rp414.803 Rp395.723 Rp380.496 View Rp371.323 Quote	Min.: 1 Mult.: 1	UM			750 mA	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1.6A MCB CCHAR 1pl 277VAC UL508 1C1.6UM Altech 1: Rp436.451 11Factory Stock Available	Mfr. Part No. 1C1.6UM Mouser Part No 845-1C1.6UM	Altech	Circuit Breakers 1.6A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	11Factory Stock Available More Info Available	Rp436.451 Rp421.591 Rp405.997 Rp393.705 View Rp384.532 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	C-Trip	1.6 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 12A, C CHAR, 1POLE 277VAC, UL489 1C12UL Altech 1: Rp615.141 11Factory Stock Available	Mfr. Part No. 1C12UL Mouser Part No 845-1C12UL	Altech	Circuit Breakers 12A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	11Factory Stock Available More Info Available	Rp615.141 Rp587.989 Rp570.010 Rp550.930 View Quote	Min.: 1 Mult.: 1	UL			12 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 13A MCB CCHAR 1pl 277VAC UL508 1C13UM Altech 1: Rp556.801 12Factory Stock Available	Mfr. Part No. 1C13UM Mouser Part No 845-1C13UM	Altech	Circuit Breakers 13A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	12Factory Stock Available More Info Available	Rp556.801 Rp506.533 Rp458.283 Rp416.821 View Rp405.997 Rp393.705 Rp384.532 Quote	Min.: 1 Mult.: 1	UM			13 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 15A,MCB C CHAR 1 PL, 277VAC, UL1077 1C15UR Altech 1: Rp327.476 25Factory Stock Available	Mfr. Part No. 1C15UR Mouser Part No 845-1C15UR	Altech	Circuit Breakers 15A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	25Factory Stock Available More Info Available	Rp327.476 Rp319.954 Rp306.562 Rp296.655 View Rp289.500 Quote	Min.: 1 Mult.: 1	UR			15 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated