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Circuit Protection

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Circuit Breaker Accessories 1 Ph Busbar 68.0mm 4Pin 4x1 pole, 80A 1P18U1/4 Altech 1: $8.19 37In Stock	Mfr. Part No. 1P18U1/4 Mouser Part No 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	$8.19 $8.18 $8.04 $7.74 View $7.66 Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 PH BUSBAR 18sqmm 57 LUGS 1P18U1/57 Altech 1: $58.60 6In Stock	Mfr. Part No. 1P18U1/57 Mouser Part No 845-1P18U1/57	Altech	Circuit Breaker Accessories 1 PH BUSBAR 18sqmm 57 LUGS Learn More about Altech busbar system	Datasheet	6In Stock	$58.60 $51.36 $43.28 $40.11 View $38.91 $37.87 Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 Ph Busbar 139.0mm 8Pin 8x1 pole, 80A 1P18U1/8 Altech 1: $15.20 1In Stock	Mfr. Part No. 1P18U1/8 Mouser Part No 845-1P18U1/8	Altech	Circuit Breaker Accessories 1 Ph Busbar 139.0mm 8Pin 8x1 pole, 80A Learn More about Altech busbar system	Datasheet	1In Stock	$15.20 $10.80 $10.22 $9.86 View $9.51 $9.38 Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories Busbar,1 Phase,18sqmm,PIN Type 1P18U1/9 Altech 1: $11.47 1In Stock	Mfr. Part No. 1P18U1/9 Mouser Part No 845-1P18U19	Altech	Circuit Breaker Accessories Busbar,1 Phase,18sqmm,PIN Type Learn More about Altech busbar system	Datasheet	1In Stock	$11.47 $11.06 $10.66 $10.27 $10.13	Min.: 1 Mult.: 1
Circuit Breakers 16A Z Characteristic UL 508 1 POLE 1Z16UM Altech 1: $58.85 2In Stock	Mfr. Part No. 1Z16UM Mouser Part No 845-1Z16UM	Altech	Circuit Breakers 16A Z Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	2In Stock	$58.85 $42.60 $39.68 $38.46 View $37.38 Quote	Min.: 1 Mult.: 1
Circuit Breakers 1A,MCB B CHAR 2PL 480Y/277VAC, UL1077 2B1UR Altech 1: $50.12 22In Stock	Mfr. Part No. 2B1UR Mouser Part No 845-2B1UR	Altech	Circuit Breakers 1A,MCB B CHAR 2PL 480Y/277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	22In Stock	$50.12 $42.84 $40.27 $34.53 View $33.61 $32.78 Quote	Min.: 1 Mult.: 1
Circuit Breakers 10A MCB CCHAR 1P+N 277VAC UL508 2C10UM Altech 1: $47.60 1In Stock	Mfr. Part No. 2C10UM Mouser Part No 845-2C10UM	Altech	Circuit Breakers 10A MCB CCHAR 1P+N 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	$47.60 $44.95 $43.46 $42.04 View Quote	Min.: 1 Mult.: 1
Circuit Breakers 12A, C CHAR, 2POLE 480Y/277VAC,UL489 2C12UL Altech 1: $86.98 4In Stock 8Expected 02/02/2027	Mfr. Part No. 2C12UL Mouser Part No 845-2C12UL	Altech	Circuit Breakers 12A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	4In Stock 8Expected 02/02/2027	$86.98 $74.96 $67.05 $62.85 View $62.24 Quote	Min.: 1 Mult.: 1
Circuit Breakers 15A CRT BRKR CCHAR 277VAC UL508 2C15UM Altech 1: $65.38 7In Stock	Mfr. Part No. 2C15UM Mouser Part No 845-2C15UM	Altech	Circuit Breakers 15A CRT BRKR CCHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	7In Stock	$65.38 $57.58 $52.24 $45.61 View $43.46 $42.03 Quote	Min.: 1 Mult.: 1
Circuit Breakers 16A,MCB C CHAR 2PL 480Y/277VAC, UL1077 2C16UR Altech 1: $59.30 4In Stock	Mfr. Part No. 2C16UR Mouser Part No 845-2C16UR	Altech	Circuit Breakers 16A,MCB C CHAR 2PL 480Y/277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	4In Stock	$59.30 $47.76 $41.13 $35.70 View $35.29 $34.37 Quote	Min.: 1 Mult.: 1
Circuit Breakers 1A MCB CCHAR 1P+N 277VAC UL508 2C1UM Altech 1: $68.57 3In Stock	Mfr. Part No. 2C1UM Mouser Part No 845-2C1UM	Altech	Circuit Breakers 1A MCB CCHAR 1P+N 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	3In Stock	$68.57 $47.36 $44.31 $41.62 View $40.45 $39.45 Quote	Min.: 1 Mult.: 1
Circuit Breakers 20A, C CHAR, 2POLE 480Y/277VAC,UL489 2C20UL Altech 1: $67.05 17In Stock	Mfr. Part No. 2C20UL Mouser Part No 845-2C20UL	Altech	Circuit Breakers 20A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	17In Stock	$67.05 $63.69 $61.43 View Quote	Min.: 1 Mult.: 1
Circuit Breakers 20A MCB CCHAR 1P+N 277VAC UL508 2C20UM Altech 1: $47.60 1In Stock	Mfr. Part No. 2C20UM Mouser Part No 845-2C20UM	Altech	Circuit Breakers 20A MCB CCHAR 1P+N 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	$47.60 $45.59 $42.02 $40.59 View $39.43 Quote	Min.: 1 Mult.: 1
Circuit Breakers 25A MCB CCHAR 1P+N 277VAC UL508 2C25UM Altech 1: $68.57 4In Stock	Mfr. Part No. 2C25UM Mouser Part No 845-2C25UM	Altech	Circuit Breakers 25A MCB CCHAR 1P+N 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	4In Stock	$68.57 $51.28 $48.13 $44.51 View $43.35 $42.34 Quote	Min.: 1 Mult.: 1
Circuit Breakers 30A CRT BRKR CCHAR 277VAC UL508 2C30UM Altech 1: $66.07 11In Stock	Mfr. Part No. 2C30UM Mouser Part No 845-2C30UM	Altech	Circuit Breakers 30A CRT BRKR CCHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	11In Stock	$66.07 $56.89 $52.47 $45.47 View $44.26 $43.16	Min.: 1 Mult.: 1
Circuit Breakers 32A, C CHAR, 2POLE 480Y/277VAC,UL489 2C32UL Altech 1: $100.58 2In Stock	Mfr. Part No. 2C32UL Mouser Part No 845-2C32UL	Altech	Circuit Breakers 32A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	2In Stock	$100.58 $77.48 $67.05 $64.03 View $62.55 Quote	Min.: 1 Mult.: 1
Circuit Breakers 3A, C CHAR, 2POLE 480Y/277VAC,UL489 2C3UL Altech 1: $88.64 2In Stock 5Expected 18/01/2027	Mfr. Part No. 2C3UL Mouser Part No 845-2C3UL	Altech	Circuit Breakers 3A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	2In Stock 5Expected 18/01/2027	$88.64 $67.05 $66.07 $64.59 View Quote	Min.: 1 Mult.: 1
Circuit Breakers 3A MCB CCHAR 1P+N 277VAC UL508 2C3UM Altech 1: $68.57 10In Stock	Mfr. Part No. 2C3UM Mouser Part No 845-2C3UM	Altech	Circuit Breakers 3A MCB CCHAR 1P+N 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	10In Stock	$68.57 $56.89 $52.47 $43.21 View $42.05 $41.04 Quote	Min.: 1 Mult.: 1
Circuit Breakers 5A, C CHAR, 2POLE 480Y/277VAC,UL489 2C5UL Altech 1: $67.05 4In Stock	Mfr. Part No. 2C5UL Mouser Part No 845-2C5UL	Altech	Circuit Breakers 5A, C CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	4In Stock	$67.05 $65.14 $62.73 $58.53 View $55.68 Quote	Min.: 1 Mult.: 1
Circuit Breakers 0.3A, D CHAR, 2POLE 480Y/277VAC,UL489 2D03UL Altech 1: $89.86 6In Stock	Mfr. Part No. 2D03UL Mouser Part No 845-2D03UL	Altech	Circuit Breakers 0.3A, D CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	6In Stock	$89.86 $77.26 $66.62 $62.45 View $61.01 Quote	Min.: 1 Mult.: 1
Circuit Breakers 0.5A, D CHAR, 2POLE 480Y/277VAC,UL489 2D05UL Altech 1: $90.70 5In Stock	Mfr. Part No. 2D05UL Mouser Part No 845-2D05UL	Altech	Circuit Breakers 0.5A, D CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5In Stock	$90.70 $75.75 $67.05 $66.05 View $64.51 Quote	Min.: 1 Mult.: 1
Circuit Breakers 0.5A,MCB D CHAR 2PL 480Y/277VAC, UL1077 2D05UR Altech 1: $50.12 1In Stock	Mfr. Part No. 2D05UR Mouser Part No 845-2D05UR	Altech	Circuit Breakers 0.5A,MCB D CHAR 2PL 480Y/277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	1In Stock	$50.12 $35.70 $34.53 $33.61 View $32.78 Quote	Min.: 1 Mult.: 1
Circuit Breakers 10A,MCB D CHAR 2PL 480Y/277VAC, UL1077 2D10UR Altech 1: $52.62 7In Stock	Mfr. Part No. 2D10UR Mouser Part No 845-2D10UR	Altech	Circuit Breakers 10A,MCB D CHAR 2PL 480Y/277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	7In Stock	$52.62 $44.13 $36.63 $34.06 View $32.77 $31.81 Quote	Min.: 1 Mult.: 1
Circuit Breakers 16A MCB DCHAR 1P+N 277VAC UL508 2D16UM Altech 1: $47.60 15In Stock	Mfr. Part No. 2D16UM Mouser Part No 845-2D16UM	Altech	Circuit Breakers 16A MCB DCHAR 1P+N 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	15In Stock	$47.60 $45.28 $43.70 $42.81 View Quote	Min.: 1 Mult.: 1
Circuit Breakers 20A, D CHAR, 2POLE 480Y/277VAC,UL489 2D20UL Altech 1: $82.02 7In Stock	Mfr. Part No. 2D20UL Mouser Part No 845-2D20UL	Altech	Circuit Breakers 20A, D CHAR, 2POLE 480Y/277VAC,UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	7In Stock	$82.02 $73.15 $67.05 $63.89 View $62.38 Quote	Min.: 1 Mult.: 1

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