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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 1BU3A MCB B CHar 1 pl 277V UL 508 1B3UM Altech 1: Rp672.197 1In Stock	Mfr. Part No. 1B3UM Mouser Part No 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	Rp672.197 Rp533.685 Rp489.838 Rp434.250 View Rp420.857 Rp407.832 Rp395.723 Quote	Min.: 1 Mult.: 1	UM			3 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 6A MCB B Char 1 pl 277VAC UL508 1B6UM Altech 1: Rp626.332 6In Stock	Mfr. Part No. 1B6UM Mouser Part No 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	Rp626.332 Rp523.595 Rp436.451 Rp428.379 View Rp416.638 Rp403.979 Rp393.522 Quote	Min.: 1 Mult.: 1	UM			6 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER 1C03UL Altech 1: Rp860.978 6In Stock	Mfr. Part No. 1C03UL Mouser Part No 845-1C03UL	Altech	Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER Learn More about Altech ulac dldc circuit breakers	Datasheet	6In Stock	Rp860.978 Rp738.060 Rp615.141 Rp612.573 View Rp593.493 Quote	Min.: 1 Mult.: 1	UL			300 mA	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers .3A MCB CChar 1pl 277VAC UL508 1C03UM Altech 1: Rp626.332 2In Stock	Mfr. Part No. 1C03UM Mouser Part No 845-1C03UM	Altech	Circuit Breakers .3A MCB CChar 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	2In Stock	Rp626.332 Rp436.451 Rp426.728 Rp395.540 View Rp380.496 Rp368.938 Rp359.949 Quote	Min.: 1 Mult.: 1	UM			300 mA	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 1.6A, C CHAR, 1POLE 277VAC, UL489 1C1.6UL Altech 1: Rp860.978 5In Stock	Mfr. Part No. 1C1.6UL Mouser Part No 845-1C1.6UL	Altech	Circuit Breakers 1.6A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5In Stock	Rp860.978 Rp738.060 Rp604.317 Rp564.690 View Rp549.463 Rp530.016 Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	1.6 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 10A MCB CCHAR 1pl 277VAC UL508 1C10UM Altech 1: Rp559.186 25In Stock	Mfr. Part No. 1C10UM Mouser Part No 845-1C10UM	Altech	Circuit Breakers 10A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	25In Stock	Rp559.186 Rp496.810 Rp389.669 Rp384.532 View Rp372.240 Rp363.067 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	C-Trip	10 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 10A,MCB C CHAR 1 PL, 277VAC, UL1077 1C10UR Altech 1: Rp467.089 1In Stock	Mfr. Part No. 1C10UR Mouser Part No 845-1C10UR	Altech	Circuit Breakers 10A,MCB C CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	1In Stock	Rp467.089 Rp327.476 Rp314.450 Rp301.241 View Rp291.334 Rp284.180 Quote	Min.: 1 Mult.: 1	UR			10 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 5A CRT BRKR CCHAR 277VAC UL508 1C15UM Altech 1: Rp626.332 1In Stock	Mfr. Part No. 1C15UM Mouser Part No 845-1C15UM	Altech	Circuit Breakers 5A CRT BRKR CCHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	Rp626.332 Rp436.451 Rp414.803 Rp395.723 View Rp377.744 Rp368.571 Quote	Min.: 1 Mult.: 1	UM			15 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 16A, C CHAR, 1POLE 277VAC, UL489 1C16UL Altech 1: Rp906.843 3In Stock	Mfr. Part No. 1C16UL Mouser Part No 845-1C16UL	Altech	Circuit Breakers 16A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	3In Stock	Rp906.843 Rp690.177 Rp640.642 Rp595.144 View Rp579.183 Rp562.305 Quote	Min.: 1 Mult.: 1	UL			16 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 16A MCB CCHAR 1pl 277VAC UL508 1C16UM Altech 1: Rp626.332 1In Stock	Mfr. Part No. 1C16UM Mouser Part No 845-1C16UM	Altech	Circuit Breakers 16A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	Rp626.332 Rp436.451 Rp416.821 Rp400.677 View Rp387.468 Rp377.010 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	C-Trip	16 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 20A, C CHAR, 1POLE 277VAC, UL489 1C20UL Altech 1: Rp768.697 4In Stock 8Expected 18/12/2026	Mfr. Part No. 1C20UL Mouser Part No 845-1C20UL	Altech	Circuit Breakers 20A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	4In Stock 8Expected 18/12/2026	Rp768.697 Rp615.141 Rp610.371 Rp573.863 View Rp555.700 Rp544.693 Quote	Min.: 1 Mult.: 1	UL			20 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 25A, C CHAR, 1POLE 277VAC, UL489 1C25UL Altech 1: Rp827.772 7In Stock	Mfr. Part No. 1C25UL Mouser Part No 845-1C25UL	Altech	Circuit Breakers 25A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	7In Stock	Rp827.772 Rp728.703 Rp615.141 Rp583.953 View Rp567.075 Rp551.848 Quote	Min.: 1 Mult.: 1	UL			25 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 2A, C CHAR, 1POLE 277VAC, UL489 1C2UL Altech 1: Rp860.978 30In Stock 18Expected 25/01/2027	Mfr. Part No. 1C2UL Mouser Part No 845-1C2UL	Altech	Circuit Breakers 2A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	30In Stock 18Expected 25/01/2027	Rp860.978 Rp738.060 Rp693.846 Rp595.328 View Rp576.615 Rp561.571 Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	2 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 2A MCB CCHAR 1pl 277VAC UL508 1C2UM Altech 1: Rp436.451 13In Stock	Mfr. Part No. 1C2UM Mouser Part No 845-1C2UM	Altech	Circuit Breakers 2A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	13In Stock	Rp436.451 Rp424.893 Rp416.087 Rp405.447 View Rp395.723 Quote	Min.: 1 Mult.: 1	UM			2 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 32A, C CHAR, 1POLE 277VAC, UL489 1C32UL Altech 1: Rp860.978 4In Stock	Mfr. Part No. 1C32UL Mouser Part No 845-1C32UL	Altech	Circuit Breakers 32A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	4In Stock	Rp860.978 Rp615.141 Rp585.971 Rp567.625 View Rp550.747 Quote	Min.: 1 Mult.: 1	UL			32 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 3A MCB CCHAR 1pl 277VAC UL508 1C3UM Altech 1: Rp436.451 3In Stock	Mfr. Part No. 1C3UM Mouser Part No 845-1C3UM	Altech	Circuit Breakers 3A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	3In Stock	Rp436.451 Rp435.167 Rp422.325 Rp412.968 View Rp402.878 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	C-Trip	3 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 4A, C CHAR, 1POLE 277VAC, UL489 1C4UL Altech 1: Rp615.141 13In Stock	Mfr. Part No. 1C4UL Mouser Part No 845-1C4UL	Altech	Circuit Breakers 4A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	13In Stock	Rp615.141 Rp605.418 Rp587.806 Rp570.010 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	4 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 4A MCB CCHAR 1pl 277VAC UL508 1C4UM Altech 1: Rp672.197 8In Stock	Mfr. Part No. 1C4UM Mouser Part No 845-1C4UM	Altech	Circuit Breakers 4A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	8In Stock	Rp672.197 Rp557.535 Rp501.580 Rp433.333 View Rp418.105 Rp403.429 Rp394.989 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	C-Trip	4 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 5A, C CHAR, 1POLE 277VAC, UL489 1C5UL Altech 1: Rp615.141 13In Stock 15Expected 01/01/2027	Mfr. Part No. 1C5UL Mouser Part No 845-1C5UL	Altech	Circuit Breakers 5A, C CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	13In Stock 15Expected 01/01/2027	Rp615.141 Rp600.281 Rp584.320 Rp568.359 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	C-Trip	5 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 5A MCB CCHAR 1pl 277VAC UL508 1C5UM Altech 1: Rp604.317 13In Stock	Mfr. Part No. 1C5UM Mouser Part No 845-1C5UM	Altech	Circuit Breakers 5A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	13In Stock	Rp604.317 Rp540.657 Rp505.432 Rp445.624 View Rp433.883 Rp423.426 Rp412.051 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	C-Trip	5 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 6A MCB CCHAR 1pl 277VAC UL508 1C6UM Altech 1: Rp672.197 14In Stock	Mfr. Part No. 1C6UM Mouser Part No 845-1C6UM	Altech	Circuit Breakers 6A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	14In Stock	Rp672.197 Rp557.535 Rp514.422 Rp424.710 View Rp415.170 Rp401.594 Rp391.137 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	C-Trip	6 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 8A MCB CCHAR 1pl 277VAC UL508 1C8UM Altech 1: Rp716.228 1In Stock	Mfr. Part No. 1C8UM Mouser Part No 845-1C8UM	Altech	Circuit Breakers 8A MCB CCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	Rp716.228 Rp436.451 Rp426.728 Rp418.472 Quote Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	C-Trip	8 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 10A, D CHAR, 1POLE 277VAC, UL489 1D10UL Altech 1: Rp615.141 10In Stock 21Expected 11/01/2027	Mfr. Part No. 1D10UL Mouser Part No 845-1D10UL	Altech	Circuit Breakers 10A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	10In Stock 21Expected 11/01/2027	Rp615.141 Rp551.848 Rp539.005 Rp527.631 View Quote	Min.: 1 Mult.: 1	UL	Circuit Breakers	D-Trip	10 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 10A D Characteristic UL 508 1 POLE 1D10UM Altech 1: Rp531.117 24In Stock	Mfr. Part No. 1D10UM Mouser Part No 845-1D10UM	Altech	Circuit Breakers 10A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	24In Stock	Rp531.117 Rp502.497 Rp493.140 Rp397.558 View Rp383.798 Rp372.974 Rp365.452 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	D-Trip	10 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 10A,MCB D CHAR 1 PL, 277VAC, UL1077 1D10UR Altech 1: Rp527.448 5In Stock	Mfr. Part No. 1D10UR Mouser Part No 845-1D10UR	Altech	Circuit Breakers 10A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	5In Stock	Rp527.448 Rp479.014 Rp379.762 Rp329.127 View Rp317.386 Rp309.130 Rp300.874 Quote	Min.: 1 Mult.: 1	UR			10 A	277 VAC		1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated