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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 Breakers 15A D Characteristic UL 508 1 POLE 1D15UM Altech 1: $23.79 4In Stock	Mfr. Part No. 1D15UM Mouser Part No 845-1D15UM	Altech	Circuit Breakers 15A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	4In Stock	$23.79 $23.47 $22.60 $20.58 View $20.12 Quote	Min.: 1 Mult.: 1
Circuit Breakers 1A D Characteristic UL 508 1 POLE 1D1UM Altech 1: $23.79 8In Stock	Mfr. Part No. 1D1UM Mouser Part No 845-1D1UM	Altech	Circuit Breakers 1A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	8In Stock	$23.79 $23.78 $22.80 $22.35 View $21.80 Quote	Min.: 1 Mult.: 1
Circuit Breakers 20A, D CHAR, 1POLE 277VAC, UL489 1D20UL Altech 1: $45.73 4In Stock	Mfr. Part No. 1D20UL Mouser Part No 845-1D20UL	Altech	Circuit Breakers 20A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	4In Stock	$45.73 $39.28 $34.84 $32.15 View $30.40 $29.79	Min.: 1 Mult.: 1
Circuit Breakers 20A D Characteristic UL 508 1 POLE 1D20UM Altech 1: $34.02 8In Stock	Mfr. Part No. 1D20UM Mouser Part No 845-1D20UM	Altech	Circuit Breakers 20A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	8In Stock	$34.02 $31.30 $23.79 $23.06 View $22.22 $21.59 $21.17 Quote	Min.: 1 Mult.: 1
Circuit Breakers 20A,MCB D CHAR 1 PL, 277VAC, UL1077 1D20UR Altech 1: $25.46 18In Stock	Mfr. Part No. 1D20UR Mouser Part No 845-1D20UR	Altech	Circuit Breakers 20A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	18In Stock	$25.46 $21.42 $21.39 $17.04 View $16.34 $15.68 $15.26 Quote	Min.: 1 Mult.: 1
Circuit Breakers 2A, D CHAR, 1POLE 277VAC, UL489 1D2UL Altech 1: $40.80 5In Stock 4Expected 23/03/2027	Mfr. Part No. 1D2UL Mouser Part No 845-1D2UL	Altech	Circuit Breakers 2A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5In Stock 4Expected 23/03/2027	$40.80 $36.57 $32.98 $31.29 View $30.51 $29.55 Quote	Min.: 1 Mult.: 1
Circuit Breakers 2A D Characteristic UL 508 1 POLE 1D2UM Altech 1: $23.79 1In Stock	Mfr. Part No. 1D2UM Mouser Part No 845-1D2UM	Altech	Circuit Breakers 2A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	$23.79 $23.53 $21.98 $21.18 View $20.58 $20.12 Quote	Min.: 1 Mult.: 1
Circuit Breakers 30A D Characteristic UL 508 1 POLE 1D30UM Altech 1: $34.14 4In Stock	Mfr. Part No. 1D30UM Mouser Part No 845-1D30UM	Altech	Circuit Breakers 30A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	4In Stock	$34.14 $23.79 $22.61 $21.57 View $21.00 $20.50 Quote	Min.: 1 Mult.: 1
Circuit Breakers 4A,MCB D CHAR 1 PL, 277VAC, UL1077 1D4UR Altech 1: $27.96 6In Stock	Mfr. Part No. 1D4UR Mouser Part No 845-1D4UR	Altech	Circuit Breakers 4A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	6In Stock	$27.96 $23.20 $18.89 $17.17 View $16.63 $16.17 $15.80 Quote	Min.: 1 Mult.: 1
Circuit Breakers 5A D Characteristic UL 508 1 POLE 1D5UM Altech 1: $34.14 20In Stock 14Expected 03/11/2026	Mfr. Part No. 1D5UM Mouser Part No 845-1D5UM	Altech	Circuit Breakers 5A D Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	20In Stock 14Expected 03/11/2026	$34.14 $23.79 $23.71 $22.03 View $21.15 $20.60 $20.12 Quote	Min.: 1 Mult.: 1
Circuit Breakers 63A, D CHAR, 1POLE 240VAC, UL489 1D63UL Altech 1: $50.12 5In Stock	Mfr. Part No. 1D63UL Mouser Part No 845-1D63UL	Altech	Circuit Breakers 63A, D CHAR, 1POLE 240VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	5In Stock	$50.12 $42.84 $35.70 $35.67 View $34.75 $33.97 Quote	Min.: 1 Mult.: 1
Circuit Breakers 6A, D CHAR, 1POLE 277VAC, UL489 1D6UL Altech 1: $33.53 12In Stock 4Expected 09/11/2026	Mfr. Part No. 1D6UL Mouser Part No 845-1D6UL	Altech	Circuit Breakers 6A, D CHAR, 1POLE 277VAC, UL489 Learn More about Altech ulac dldc circuit breakers	Datasheet	12In Stock 4Expected 09/11/2026	$33.53 $32.96 $31.88 $31.13 Quote Quote	Min.: 1 Mult.: 1
Circuit Breakers 8A,MCB D CHAR 1 PL, 277VAC, UL1077 1D8UR Altech 1: $27.96 2In Stock	Mfr. Part No. 1D8UR Mouser Part No 845-1D8UR	Altech	Circuit Breakers 8A,MCB D CHAR 1 PL, 277VAC, UL1077 Learn More about Altech ur circuit breakers	Datasheet	2In Stock	$27.96 $19.38 $17.47 $15.76 View $15.59 $15.13 $14.75	Min.: 1 Mult.: 1
Circuit Breakers 10A CRT BRKR ECHAR 277VAC UL508 1E10UM Altech 1: $34.14 10In Stock	Mfr. Part No. 1E10UM Mouser Part No 845-1E10UM	Altech	Circuit Breakers 10A CRT BRKR ECHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	10In Stock	$34.14 $28.54 $28.04 $23.12 View $22.24 $21.66 $21.14 Quote	Min.: 1 Mult.: 1
Circuit Breakers 15A CRT BKR ECHAR 277VAC UL508 1E15UM Altech 1: $34.14 5In Stock	Mfr. Part No. 1E15UM Mouser Part No 845-1E15UM	Altech	Circuit Breakers 15A CRT BKR ECHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	5In Stock	$34.14 $28.54 $23.79 $23.03 View $22.18 $21.61 $21.12 Quote	Min.: 1 Mult.: 1
Circuit Breakers 4A CRT BRKR ECHAR 277VAC UL508 1E4UM Altech 1: $34.14 6In Stock	Mfr. Part No. 1E4UM Mouser Part No 845-1E4UM	Altech	Circuit Breakers 4A CRT BRKR ECHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	6In Stock	$34.14 $28.54 $23.79 $22.98 View $22.13 $21.56 $21.07 Quote	Min.: 1 Mult.: 1
Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508 1E50UM Altech 1: $38.42 11In Stock	Mfr. Part No. 1E50UM Mouser Part No 845-1E50UM	Altech	Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	11In Stock	$38.42 $32.46 $31.31 $26.15 View $25.28 $24.62 Quote	Min.: 1 Mult.: 1
Circuit Breakers 10A G Characteristic UL 508 1 POLE 1G10UM Altech 1: $27.48 21In Stock	Mfr. Part No. 1G10UM Mouser Part No 845-1G10UM	Altech	Circuit Breakers 10A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	21In Stock	$27.48 $26.95 $24.81 $23.56 View $22.70 $22.36 $22.22 Quote	Min.: 1 Mult.: 1
Circuit Breakers 25A G Characteristic UL 508 1 POLE 1G25UM Altech 1: $36.64 1In Stock	Mfr. Part No. 1G25UM Mouser Part No 845-1G25UM	Altech	Circuit Breakers 25A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	$36.64 $25.61 $23.09 $20.85 View $20.74 $20.17 $19.67 Quote	Min.: 1 Mult.: 1
Circuit Breakers 3.5A MCB GCHAR 1pl 277VAC UL508 1G3.5UM Altech 1: $34.14 3In Stock	Mfr. Part No. 1G3.5UM Mouser Part No 845-1G3.5UM	Altech	Circuit Breakers 3.5A MCB GCHAR 1pl 277VAC UL508 Learn More about Altech um v ea circuit breakers	Datasheet	3In Stock	$34.14 $23.79 $22.98 $22.13 View $21.56 $21.06 Quote	Min.: 1 Mult.: 1
Circuit Breakers 30A G Characteristic UL 508 1 POLE 1G30UM Altech 1: $34.14 1In Stock	Mfr. Part No. 1G30UM Mouser Part No 845-1G30UM	Altech	Circuit Breakers 30A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	$34.14 $23.79 $22.59 $21.67 View $21.11 $20.61 Quote	Min.: 1 Mult.: 1
Circuit Breakers 5A G Characteristic UL 508 1 POLE 1G5UM Altech 1: $23.79 21In Stock	Mfr. Part No. 1G5UM Mouser Part No 845-1G5UM	Altech	Circuit Breakers 5A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	21In Stock	$23.79 $23.47 $22.32 $21.51 View $20.94 Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 Ph Busbar 204.6mm 12Pin, 115A 1P16UL3/12 Altech 1: $27.80 8In Stock	Mfr. Part No. 1P16UL3/12 Mouser Part No 845-1P16UL3/12	Altech	Circuit Breaker Accessories 1 Ph Busbar 204.6mm 12Pin, 115A Learn More about Altech busbar system	Datasheet	8In Stock	$27.80 $26.81 $24.74 $19.12 View $18.69 $18.09 $17.65 Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 Ph Busbar 310.2mm 18Pin, 115A 1P16UL3/18 Altech 1: $44.69 1In Stock	Mfr. Part No. 1P16UL3/18 Mouser Part No 845-1P16UL3/18	Altech	Circuit Breaker Accessories 1 Ph Busbar 310.2mm 18Pin, 115A Learn More about Altech busbar system	Datasheet	1In Stock	$44.69 $33.59 $31.33 $28.96 View $28.00 $27.27 Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 Ph Busbar 99mm 6Pin, 115A 1P16UL3/6 Altech 1: $17.01 106In Stock	Mfr. Part No. 1P16UL3/6 Mouser Part No 845-1P16UL3/6	Altech	Circuit Breaker Accessories 1 Ph Busbar 99mm 6Pin, 115A Learn More about Altech busbar system	Datasheet	106In Stock	$17.01 $15.82 $15.10 $14.49 View $12.31 $12.00 $11.65 $11.54 Quote	Min.: 1 Mult.: 1

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