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

Circuit Protection

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

Types of Circuit Protection

List Images

Results: 5 181

Applied Filters:

Brand = Multiple Values

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 (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Circuit Breakers 20A,MCB D CHAR 1 PL, 277VAC, UL1077 1D20UR Altech 1: 21,90 € 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	21,90 € 18,42 € 18,40 € 14,65 € View 14,05 € 13,48 € 13,12 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 2A, D CHAR, 1POLE 277VAC, UL489 1D2UL Altech 1: 35,09 € 5In Stock 4Expected 22/02/2027	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 22/02/2027	35,09 € 31,45 € 28,36 € 26,91 € View 26,24 € 25,41 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 2A D Characteristic UL 508 1 POLE 1D2UM Altech 1: 20,46 € 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	20,46 € 20,24 € 18,90 € 18,21 € View 17,70 € 17,30 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 30A D Characteristic UL 508 1 POLE 1D30UM Altech 1: 20,46 € 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	20,46 € 19,44 € 18,55 € 17,71 € View 17,28 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 4A,MCB D CHAR 1 PL, 277VAC, UL1077 1D4UR Altech 1: 24,05 € 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	24,05 € 19,95 € 16,56 € 15,07 € View 14,53 € 14,06 € 13,74 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 5A D Characteristic UL 508 1 POLE 1D5UM Altech 1: 29,36 € 1In Stock 33Expected 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	1In Stock 33Expected 03/11/2026	29,36 € 20,46 € 20,40 € 19,00 € View 18,27 € 17,72 € 17,31 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 63A, D CHAR, 1POLE 240VAC, UL489 1D63UL Altech 1: 30,70 € 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	30,70 € 30,55 € 29,76 € 28,96 € View Quote	Min.: 1 Mult.: 1
Circuit Breakers 8A,MCB D CHAR 1 PL, 277VAC, UL1077 1D8UR Altech 1: 24,05 € 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	24,05 € 15,30 € 13,67 € 13,06 € View 12,96 € 12,82 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 10A CRT BRKR ECHAR 277VAC UL508 1E10UM Altech 1: 20,46 € 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	20,46 € 19,88 € 19,13 € 18,53 € View 18,09 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 15A CRT BKR ECHAR 277VAC UL508 1E15UM Altech 1: 29,36 € 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	29,36 € 24,54 € 20,46 € 19,76 € View 19,03 € 18,33 € 17,90 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 4A CRT BRKR ECHAR 277VAC UL508 1E4UM Altech 1: 29,36 € 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	29,36 € 24,54 € 20,46 € 19,76 € View 18,90 € 18,33 € 17,90 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508 1E50UM Altech 1: 33,04 € 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	33,04 € 23,26 € 22,49 € 21,74 € View 21,07 € 20,56 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 10A G Characteristic UL 508 1 POLE 1G10UM Altech 1: 23,63 € 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	23,63 € 23,18 € 21,34 € 20,26 € View 19,52 € 19,23 € 19,11 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 25A G Characteristic UL 508 1 POLE 1G25UM Altech 1: 31,51 € 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	31,51 € 22,02 € 19,86 € 17,93 € View 17,84 € 17,29 € 16,86 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 3.5A MCB GCHAR 1pl 277VAC UL508 1G3.5UM Altech 1: 29,36 € 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	29,36 € 20,46 € 19,76 € 18,90 € View 18,33 € 17,90 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 30A G Characteristic UL 508 1 POLE 1G30UM Altech 1: 29,36 € 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	29,36 € 20,46 € 19,44 € 18,55 € View 17,71 € 17,28 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 5A G Characteristic UL 508 1 POLE 1G5UM Altech 1: 20,46 € 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	20,46 € 20,18 € 19,20 € 18,50 € View 18,01 € Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 Ph Busbar 204.6mm 12Pin, 115A 1P16UL3/12 Altech 1: 23,91 € 8In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	8In Stock	23,91 € 23,06 € 21,28 € 16,44 € View 16,07 € 15,56 € 15,18 € Quote	Min.: 1 Mult.: 1 Restricted Availability
Circuit Breaker Accessories 1 Ph Busbar 310.2mm 18Pin, 115A 1P16UL3/18 Altech 1: 38,43 € 1In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	1In Stock	38,43 € 28,89 € 26,94 € 24,91 € View 24,08 € 23,34 € 23,26 € Quote	Min.: 1 Mult.: 1 Restricted Availability
Circuit Breaker Accessories 1 Ph Busbar 99mm 6Pin, 115A 1P16UL3/6 Altech 1: 14,63 € 106In Stock Restricted Availability	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 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	106In Stock	14,63 € 13,61 € 12,99 € 12,46 € View 10,59 € 10,32 € 10,02 € 9,92 €	Min.: 1 Mult.: 1 Restricted Availability
Circuit Breaker Accessories 3Pin3x1Pole50.3mm 1 PhaseBusbar 1P18U1/3 Altech 1: 8,94 € 10In Stock	Mfr. Part No. 1P18U1/3 Mouser Part No 845-1P18U1/3	Altech	Circuit Breaker Accessories 3Pin3x1Pole50.3mm 1 PhaseBusbar Learn More about Altech busbar system	Datasheet	10In Stock	8,94 € 8,39 € 8,05 € 6,47 € View 6,41 € 6,14 € 5,87 € 5,80 € Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 Ph Busbar 68.0mm 4Pin 4x1 pole, 80A 1P18U1/4 Altech 1: 7,04 € 40In 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	40In Stock	7,04 € 6,85 € 6,66 € Quote Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 PH BUSBAR 18sqmm 57 LUGS 1P18U1/57 Altech 1: 50,40 € 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	50,40 € 44,17 € 37,22 € 34,49 € View 33,46 € 32,57 € Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 Ph Busbar 139.0mm 8Pin 8x1 pole, 80A 1P18U1/8 Altech 1: 13,07 € 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	13,07 € 9,29 € 9,06 € 8,75 € View 8,44 € 8,32 €	Min.: 1 Mult.: 1
Circuit Breaker Accessories Busbar,1 Phase,18sqmm,PIN Type 1P18U1/9 Altech 1: 9,86 € 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	9,86 € 9,51 € 9,17 € 8,83 € 8,71 €	Min.: 1 Mult.: 1

Circuit Protection

Types of Circuit Protection

Applied Filters:

Customer Service Office

Company

Resources

Support