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B-Series Circuit Breakers

Carling Technologies B-Series Circuit Breakers are hydraulic/magnetic circuit breakers designed for use in world market applications where temperature stability and compact size are required. The series offers precision operation even in extreme temperatures. Carling B-Series Circuit Breakers are available with up to 50A and up to 277V_AC or 80V_DC, with a choice of time delays, terminals, and actuators.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) Filter the results in the table by unit price based on your quantity.	Qty.
Circuit Breakers 2-pole, Handle, 20 amp circuit breaker, Push-On 0.250 Tab (Q.C.) terminals, UL 1077 Recognized CSA Accepted VDE Certified to IEC/EN 60934 BA2-B0-34-620-121-D Carling Technologies 1: CHF 73.50 44In Stock	Mfr. Part No. BA2-B0-34-620-121-D Mouser Part No 691-BA2B034620121D	Carling Technologies	Circuit Breakers 2-pole, Handle, 20 amp circuit breaker, Push-On 0.250 Tab (Q.C.) terminals, UL 1077 Recognized CSA Accepted VDE Certified to IEC/EN 60934 Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	44In Stock	CHF 73.50 CHF 60.72 CHF 56.55 CHF 46.55 CHF 42.87	Min.: 1 Mult.: 1
Circuit Breakers BA1B224425121D BA1-B2-24-425-121-D Carling Technologies 1: CHF 37.02 4In Stock	Mfr. Part No. BA1-B2-24-425-121-D Mouser Part No 691-BA1B224425121D	Carling Technologies	Circuit Breakers BA1B224425121D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	4In Stock	CHF 37.02 CHF 30.71 CHF 26.23 CHF 24.49 View CHF 22.40 CHF 21.69 CHF 21.62 Quote	Min.: 1 Mult.: 1
Circuit Breakers BB2B024615321D BB2-B0-24-615-321-D Carling Technologies 1: CHF 78.08 7In Stock	Mfr. Part No. BB2-B0-24-615-321-D Mouser Part No 691-BB2B024615321D	Carling Technologies	Circuit Breakers BB2B024615321D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	7In Stock	CHF 78.08 CHF 65.31 CHF 56.55 CHF 52.55 View CHF 48.12 Quote	Min.: 1 Mult.: 1
Circuit Breakers 5 A TWO POLE BA2-B0-34-450-121-D Carling Technologies 1: CHF 71.15 23In Stock	Mfr. Part No. BA2-B0-34-450-121-D Mouser Part No 691-BA2B034450121D	Carling Technologies	Circuit Breakers 5 A TWO POLE Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	23In Stock	CHF 71.15 CHF 61.00 CHF 56.64 CHF 48.24 View CHF 45.03 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA1B034630411D BA1-B0-34-630-411-D Carling Technologies 1: CHF 35.77 10In Stock	Mfr. Part No. BA1-B0-34-630-411-D Mouser Part No 691-BA1B034630411D	Carling Technologies	Circuit Breakers BA1B034630411D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	10In Stock	CHF 35.77 CHF 29.68 CHF 27.38 CHF 22.66 View CHF 20.96 CHF 20.39 CHF 20.34 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA2B044620111D BA2-B0-44-620-111-D Carling Technologies 1: CHF 70.04 8In Stock	Mfr. Part No. BA2-B0-44-620-111-D Mouser Part No 691-BA2B044620111D	Carling Technologies	Circuit Breakers BA2B044620111D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	8In Stock	CHF 70.04 CHF 60.05 CHF 57.00 CHF 52.97 View CHF 48.50 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA3-X0-04-129-221-D Carling Technologies 1: CHF 87.75 10In Stock	Mfr. Part No. BA3-X0-04-129-221-D Mouser Part No 691-BA3X004129221D	Carling Technologies	Circuit Breakers Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	10In Stock	CHF 87.75 CHF 75.25 CHF 71.30 CHF 50.99	Min.: 1 Mult.: 1
Circuit Breakers BB2B022650521C BB2-B0-22-650-521-C Carling Technologies 1: CHF 78.08 1In Stock	Mfr. Part No. BB2-B0-22-650-521-C Mouser Part No 691-BB2B022650521C	Carling Technologies	Circuit Breakers BB2B022650521C Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	1In Stock	CHF 78.08 CHF 59.57 CHF 56.55 CHF 52.55 View CHF 48.12 Quote	Min.: 1 Mult.: 1
Disconnect Switches BDB10RA BDB10-RA Carling Technologies 1: CHF 47.18 276In Stock	Mfr. Part No. BDB10-RA Mouser Part No 691-BDB10-RA	Carling Technologies	Disconnect Switches BDB10RA Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	276In Stock	CHF 47.18 CHF 41.44 CHF 40.81 CHF 37.31 View CHF 33.78 CHF 31.83 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA1A003630117C BA1-A0-03-630-117-C Carling Technologies 1: CHF 29.78 1In Stock	Mfr. Part No. BA1-A0-03-630-117-C Mouser Part No 691-BA1A003630117C	Carling Technologies	Circuit Breakers BA1A003630117C Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	1In Stock	CHF 29.78 CHF 24.71 CHF 21.02 CHF 19.37 View CHF 17.62 CHF 17.06 CHF 16.56 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA2B034625212D BA2-B0-34-625-212-D Carling Technologies 1: CHF 78.08 6In Stock	Mfr. Part No. BA2-B0-34-625-212-D Mouser Part No 691-BA2B034625212D	Carling Technologies	Circuit Breakers BA2B034625212D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	6In Stock	CHF 78.08 CHF 65.31 CHF 56.55 CHF 52.55 View CHF 48.12 Quote	Min.: 1 Mult.: 1
Circuit Breakers BB2B034615131D BB2-B0-34-615-131-D Carling Technologies 1: CHF 74.20 10In Stock	Mfr. Part No. BB2-B0-34-615-131-D Mouser Part No 691-BB2B034615131D	Carling Technologies	Circuit Breakers BB2B034615131D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	10In Stock	CHF 74.20 CHF 61.55 CHF 57.88 CHF 49.24 View CHF 45.11 Quote	Min.: 1 Mult.: 1
Circuit Breakers BB2B036610111D BB2-B0-36-610-111-D Carling Technologies 1: CHF 74.20 1In Stock	Mfr. Part No. BB2-B0-36-610-111-D Mouser Part No 691-BB2B3661111D	Carling Technologies	Circuit Breakers BB2B036610111D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	1In Stock	CHF 74.20 CHF 55.97 CHF 53.00 CHF 49.24 View CHF 45.11 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA1B026620121D BA1-B0-26-620-121-D Carling Technologies 1: CHF 31.40 8In Stock	Mfr. Part No. BA1-B0-26-620-121-D Mouser Part No 691-BA1B026620121D	Carling Technologies	Circuit Breakers BA1B026620121D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	8In Stock	CHF 31.40 CHF 26.05 CHF 23.98 CHF 22.64 View CHF 21.86 CHF 21.24 CHF 20.73 Quote	Min.: 1 Mult.: 1
Circuit Breakers 10 A ONE POLE BA1-B0-34-610-121-D Carling Technologies 1: CHF 31.41 5In Stock 20Expected 10/26/2026	Mfr. Part No. BA1-B0-34-610-121-D Mouser Part No 691-BA1B034610121D	Carling Technologies	Circuit Breakers 10 A ONE POLE Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	5In Stock 20Expected 10/26/2026	CHF 31.41 CHF 26.06 CHF 23.99	Min.: 1 Mult.: 1
Circuit Breakers BA2B024615121D BA2-B0-24-615-121-D Carling Technologies 1: CHF 74.20 10In Stock	Mfr. Part No. BA2-B0-24-615-121-D Mouser Part No 691-BA2B024615121D	Carling Technologies	Circuit Breakers BA2B024615121D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	10In Stock	CHF 74.20 CHF 61.55 CHF 57.88 CHF 49.24 View CHF 45.11 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA2B024620211D BA2-B0-24-620-211-D Carling Technologies 1: CHF 78.08 7In Stock	Mfr. Part No. BA2-B0-24-620-211-D Mouser Part No 691-BA2B024620211D	Carling Technologies	Circuit Breakers BA2B024620211D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	7In Stock	CHF 78.08 CHF 65.31 CHF 56.55 CHF 52.55 View CHF 48.12 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA2B02661612AD BA2-B0-26-616-12A-D Carling Technologies 1: CHF 74.20 1In Stock	Mfr. Part No. BA2-B0-26-616-12A-D Mouser Part No 691-BA2B02661612AD	Carling Technologies	Circuit Breakers BA2B02661612AD Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	1In Stock	CHF 74.20 CHF 61.55 CHF 53.00 CHF 49.24 View CHF 45.11 Quote	Min.: 1 Mult.: 1
Circuit Breakers BB2B022625111D BB2-B0-22-625-111-D Carling Technologies 1: CHF 74.20 9In Stock	Mfr. Part No. BB2-B0-22-625-111-D Mouser Part No 691-BB2B022625111D	Carling Technologies	Circuit Breakers BB2B022625111D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	9In Stock	CHF 74.20 CHF 61.55 CHF 51.55 CHF 47.02 View CHF 42.88 CHF 42.76 Quote	Min.: 1 Mult.: 1
Circuit Breakers Circuit Breaker 2 pole, 50/60Hz, 30A BB2-B0-24-630-221-D Carling Technologies 1: CHF 78.09 11In Stock	Mfr. Part No. BB2-B0-24-630-221-D Mouser Part No 691-BB2B024630221D	Carling Technologies	Circuit Breakers Circuit Breaker 2 pole, 50/60Hz, 30A Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	11In Stock	CHF 78.09 CHF 65.32 CHF 61.89 CHF 50.28 View CHF 45.85 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA1B014610C22D BA1-B0-14-610-C22-D Carling Technologies 1: CHF 31.40 5In Stock	Mfr. Part No. BA1-B0-14-610-C22-D Mouser Part No 691-BA1B014610C22D	Carling Technologies	Circuit Breakers BA1B014610C22D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	5In Stock	CHF 31.40 CHF 26.05 CHF 22.34 CHF 20.60 View CHF 18.85 CHF 18.25 CHF 17.72 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA1B224615111C BA1-B2-24-615-111-C Carling Technologies 1: CHF 37.02 3In Stock	Mfr. Part No. BA1-B2-24-615-111-C Mouser Part No 691-BA1B224615111C	Carling Technologies	Circuit Breakers BA1B224615111C Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	3In Stock	CHF 37.02 CHF 30.71 CHF 26.23 CHF 24.49 View CHF 22.40 CHF 21.69 CHF 21.62 Quote	Min.: 1 Mult.: 1
Circuit Breakers 2pole No Act 30A QC 50/60Hz 6-32 thrd BA2-B0-44-630-111-C Carling Technologies 1: CHF 78.73 2In Stock	Mfr. Part No. BA2-B0-44-630-111-C Mouser Part No 691-BA2B044630111C	Carling Technologies	Circuit Breakers 2pole No Act 30A QC 50/60Hz 6-32 thrd Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	2In Stock	CHF 78.73 CHF 60.05 CHF 57.00 CHF 52.97 View CHF 48.50 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA2B046610111D BA2-B0-46-610-111-D Carling Technologies 1: CHF 78.73 1In Stock	Mfr. Part No. BA2-B0-46-610-111-D Mouser Part No 691-BA2B046610111D	Carling Technologies	Circuit Breakers BA2B046610111D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	1In Stock	CHF 78.73 CHF 60.05 CHF 57.00 CHF 52.97 View CHF 48.50 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA4B02661612AD BA4-B0-26-616-12A-D Carling Technologies 1: CHF 166.43 4In Stock	Mfr. Part No. BA4-B0-26-616-12A-D Mouser Part No 691-BA4B02661612AD	Carling Technologies	Circuit Breakers BA4B02661612AD Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	4In Stock	CHF 166.43 CHF 120.37 CHF 116.78 CHF 108.05 View CHF 105.17 Quote	Min.: 1 Mult.: 1

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B-Series Circuit Breakers

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