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Circuit Breakers & Accessories

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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 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 $23.54 $21.98 $21.18 View $20.59 $20.12 Quote	Min.: 1 Mult.: 1
Circuit Breakers 30A D Characteristic UL 508 1 POLE 1D30UM Altech 1: $23.79 6In 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	6In Stock	$23.79 $22.61 $21.57 $20.60 View $20.10 Quote	Min.: 1 Mult.: 1
Circuit Breakers 4A,MCB D CHAR 1 PL, 277VAC, UL1077 1D4UR Altech 1: $27.97 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	$27.97 $23.20 $19.26 $17.53 View $16.90 $16.35 $15.98 Quote	Min.: 1 Mult.: 1
Circuit Breakers 5A D Characteristic UL 508 1 POLE 1D5UM Altech 1: $34.15 1In Stock 33On Order	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 33On Order On Order Ship Dates Mfr. No: 1D5UM Stock: 1 Can Dispatch Immediately On Order: 14 Expected 2027/01/08 19 Expected 2027/01/11 Factory Lead Time: 18 Weeks	$34.15 $23.79 $23.73 $22.10 View $21.25 $20.61 $20.13 Quote	Min.: 1 Mult.: 1
Circuit Breakers 63A, D CHAR, 1POLE 240VAC, UL489 1D63UL Altech 1: $35.70 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	$35.70 $35.53 $34.61 $33.68 View Quote	Min.: 1 Mult.: 1
Circuit Breakers 8A,MCB D CHAR 1 PL, 277VAC, UL1077 1D8UR Altech 1: $27.97 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	$27.97 $19.39 $17.47 $15.76 View $15.60 $15.10 $14.71 Quote	Min.: 1 Mult.: 1
Circuit Breakers 15A CRT BKR ECHAR 277VAC UL508 1E15UM Altech 1: $34.15 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	$34.15 $28.54 $23.79 $22.98 View $22.13 $21.47 $20.97 Quote	Min.: 1 Mult.: 1
Circuit Breakers 4A CRT BRKR ECHAR 277VAC UL508 1E4UM Altech 1: $34.15 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	$34.15 $28.54 $23.79 $22.98 View $21.98 $21.32 $20.82 Quote	Min.: 1 Mult.: 1
Circuit Breakers 50A CRT BKR ECHAR 277VAC UL508 1E50UM Altech 1: $38.43 6In Stock 6Expected 2026/10/13	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	6In Stock 6Expected 2026/10/13	$38.43 $27.05 $26.16 $25.28 View $24.50 $23.91 Quote	Min.: 1 Mult.: 1
Circuit Breakers 20A G Characteristic UL 508 1 POLE 1G20UM Altech 1: $36.65 4In Stock 6Expected 2027/01/29	Mfr. Part No. 1G20UM Mouser Part No 845-1G20UM	Altech	Circuit Breakers 20A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	4In Stock 6Expected 2027/01/29	$36.65 $25.93 $24.00 $21.98 View $21.49 $20.88 $20.39 Quote	Min.: 1 Mult.: 1
Circuit Breakers 25A G Characteristic UL 508 1 POLE 1G25UM Altech 1: $36.65 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	$36.65 $25.61 $23.10 $20.85 View $20.75 $20.11 $19.61 Quote	Min.: 1 Mult.: 1
Circuit Breakers 3.5A MCB GCHAR 1pl 277VAC UL508 1G3.5UM Altech 1: $34.15 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	$34.15 $23.79 $22.98 $21.98 View $21.32 $20.82 Quote	Min.: 1 Mult.: 1
Circuit Breakers 30A G Characteristic UL 508 1 POLE 1G30UM Altech 1: $34.15 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	$34.15 $23.79 $22.61 $21.57 View $20.60 $20.10 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 $22.61 $21.79 View $21.07 Quote	Min.: 1 Mult.: 1
Circuit Breakers 6A G Characteristic UL 508 1 POLE 1G6UM Altech 1: $36.65 1In Stock	Mfr. Part No. 1G6UM Mouser Part No 845-1G6UM	Altech	Circuit Breakers 6A G Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	1In Stock	$36.65 $30.40 $28.04 $21.95 View $21.68 $20.97 $20.40 Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 Ph Busbar 204.6mm 12Pin, 115A 1P16UL3/12 Altech 1: $27.81 13In 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	13In Stock	$27.81 $26.82 $24.75 $19.12 View $18.69 $18.10 $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 $33.60 $31.33 $28.97 View $28.01 $27.14 $27.05 Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 Ph Busbar 99mm 6Pin, 115A 1P16UL3/6 Altech 1: $17.01 50In Stock 56Expected 2026/10/09	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	50In Stock 56Expected 2026/10/09	$17.01 $15.83 $15.11 $14.49 View $12.32 $12.00 $11.65 $11.54	Min.: 1 Mult.: 1
Circuit Breaker Accessories 3Pin3x1Pole50.3mm 1 PhaseBusbar 1P18U1/3 Altech 1: $10.40 12In 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	12In Stock	$10.40 $9.76 $9.36 $7.52 View $7.45 $7.14 $6.83 $6.75 Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 Ph Busbar 68.0mm 4Pin 4x1 pole, 80A 1P18U1/4 Altech 1: $8.19 43In 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	43In Stock	$8.19 $8.12 $7.72 $7.64 Quote Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 1 PH BUSBAR 18sqmm 57 LUGS 1P18U1/57 Altech 1: $58.62 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	$58.62 $51.37 $43.29 $40.11 View $38.91 $37.88 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 $10.54 $10.18 View $9.82 $9.68	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: $58.86 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	$58.86 $42.61 $39.68 $38.47 View $37.39 Quote	Min.: 1 Mult.: 1
Circuit Breakers 1A,MCB B CHAR 2PL 480Y/277VAC, UL1077 2B1UR Altech 1: $50.13 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	$50.13 $42.84 $40.26 $34.54 View $33.47 $32.47 Quote	Min.: 1 Mult.: 1

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