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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 (CAD) Filter the results in the table by unit price based on your quantity.	Qty.
Circuit Breakers BA1B224425121D BA1-B2-24-425-121-D Carling Technologies 1: $66.23 4In Stock	Mfr. Part # BA1-B2-24-425-121-D Mouser Part # 691-BA1B224425121D	Carling Technologies	Circuit Breakers BA1B224425121D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	4In Stock	$66.23 $54.94 $46.92 $43.80 View $40.08 $38.79 Quote	Min.: 1 Mult.: 1
Circuit Breakers BB2B024615321D BB2-B0-24-615-321-D Carling Technologies 1: $139.68 7In Stock	Mfr. Part # BB2-B0-24-615-321-D Mouser Part # 691-BB2B024615321D	Carling Technologies	Circuit Breakers BB2B024615321D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	7In Stock	$139.68 $116.84 $101.16 $94.00 View $86.08 Quote	Min.: 1 Mult.: 1
Circuit Breakers 5 A TWO POLE BA2-B0-34-450-121-D Carling Technologies 1: $127.28 23In Stock	Mfr. Part # BA2-B0-34-450-121-D Mouser Part # 691-BA2B034450121D	Carling Technologies	Circuit Breakers 5 A TWO POLE Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	23In Stock	$127.28 $109.12 $101.32 $86.30 View $80.55 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA1B034630411D BA1-B0-34-630-411-D Carling Technologies 1: $63.99 10In Stock	Mfr. Part # BA1-B0-34-630-411-D Mouser Part # 691-BA1B034630411D	Carling Technologies	Circuit Breakers BA1B034630411D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	10In Stock	$63.99 $53.09 $48.97 $40.54 View $37.48 $36.48 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA2B044620111D BA2-B0-44-620-111-D Carling Technologies 1: $125.29 8In Stock	Mfr. Part # BA2-B0-44-620-111-D Mouser Part # 691-BA2B044620111D	Carling Technologies	Circuit Breakers BA2B044620111D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	8In Stock	$125.29 $107.44 $101.97 $94.75 View $86.77 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA3-X0-04-129-221-D Carling Technologies 1: $156.97 10In Stock	Mfr. Part # BA3-X0-04-129-221-D Mouser Part # 691-BA3X004129221D	Carling Technologies	Circuit Breakers Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	10In Stock	$156.97 $134.63 $127.56 $85.58	Min.: 1 Mult.: 1
Circuit Breakers BB2B022650521C BB2-B0-22-650-521-C Carling Technologies 1: $139.68 1In Stock	Mfr. Part # BB2-B0-22-650-521-C Mouser Part # 691-BB2B022650521C	Carling Technologies	Circuit Breakers BB2B022650521C Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	1In Stock	$139.68 $106.56 $101.16 $94.00 View $86.08 Quote	Min.: 1 Mult.: 1
Disconnect Switches BDB10RA BDB10-RA Carling Technologies 1: $84.41 26In Stock 250Expected 2026-10-26	Mfr. Part # BDB10-RA Mouser Part # 691-BDB10-RA	Carling Technologies	Disconnect Switches BDB10RA Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	26In Stock 250Expected 2026-10-26	$84.41 $74.13 $73.01 $66.74 View $60.44 $56.95 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA1B0204505D1C BA1-B0-20-450-5D1-C Carling Technologies 1: $61.14 5In Stock	Mfr. Part # BA1-B0-20-450-5D1-C Mouser Part # 691-BA1B0204505D1C	Carling Technologies	Circuit Breakers BA1B0204505D1C Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	5In Stock	$61.14 $50.70 $41.62 $37.18 View $33.84 $32.67 $31.62 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA1B024620221D BA1-B0-24-620-221-D Carling Technologies 1: $61.14 7In Stock	Mfr. Part # BA1-B0-24-620-221-D Mouser Part # 691-BA1B024620221D	Carling Technologies	Circuit Breakers BA1B024620221D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	7In Stock	$61.14 $50.70 $43.06 $39.99 View $36.59 $35.42 $34.39 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA1B034450522D BA1-B0-34-450-522-D Carling Technologies 1: $61.14 2In Stock	Mfr. Part # BA1-B0-34-450-522-D Mouser Part # 691-BA1B034450522D	Carling Technologies	Circuit Breakers BA1B034450522D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	2In Stock	$61.14 $50.70 $43.06 $39.99 View $36.59 $35.42 $34.39 Quote	Min.: 1 Mult.: 1
Circuit Breakers 30A 1 POLE 10-32 Bus Type BA1-B0-34-630-522-D Carling Technologies 1: $61.14 5In Stock	Mfr. Part # BA1-B0-34-630-522-D Mouser Part # 691-BA1B034630522D	Carling Technologies	Circuit Breakers 30A 1 POLE 10-32 Bus Type Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	5In Stock	$61.14 $50.70 $43.06 $39.99 View $36.59 $35.32 $34.10 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA1B2246151A1C BA1-B2-24-615-1A1-C Carling Technologies 1: $66.23 4In Stock	Mfr. Part # BA1-B2-24-615-1A1-C Mouser Part # 691-BA1B2246151A1C	Carling Technologies	Circuit Breakers BA1B2246151A1C Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	4In Stock	$66.23 $54.94 $50.33 $47.61 View $44.37 $43.33 Quote	Min.: 1 Mult.: 1
Circuit Breakers BB2B044610221D BB2-B0-44-610-221-D Carling Technologies 1: $148.49 1In Stock	Mfr. Part # BB2-B0-44-610-221-D Mouser Part # 691-BB2B044610221D	Carling Technologies	Circuit Breakers BB2B044610221D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	1In Stock	$148.49 $114.32 $114.03 $108.27 View $101.36 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA1B026620121D BA1-B0-26-620-121-D Carling Technologies 1: $56.17 8In Stock	Mfr. Part # BA1-B0-26-620-121-D Mouser Part # 691-BA1B026620121D	Carling Technologies	Circuit Breakers BA1B026620121D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	8In Stock	$56.17 $46.60 $42.90 $40.51 View $39.10 $37.99 Quote	Min.: 1 Mult.: 1
Circuit Breakers 10 A ONE POLE BA1-B0-34-610-121-D Carling Technologies 1: $56.19 5In Stock 20Expected 2026-10-26	Mfr. Part # BA1-B0-34-610-121-D Mouser Part # 691-BA1B034610121D	Carling Technologies	Circuit Breakers 10 A ONE POLE Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	5In Stock 20Expected 2026-10-26	$56.19 $46.61 $42.91	Min.: 1 Mult.: 1
Circuit Breakers BA2B024615121D BA2-B0-24-615-121-D Carling Technologies 1: $132.74 10In Stock	Mfr. Part # BA2-B0-24-615-121-D Mouser Part # 691-BA2B024615121D	Carling Technologies	Circuit Breakers BA2B024615121D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	10In Stock	$132.74 $110.12 $103.55 $88.10 View $80.70 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA2B024620211D BA2-B0-24-620-211-D Carling Technologies 1: $139.68 8In Stock	Mfr. Part # BA2-B0-24-620-211-D Mouser Part # 691-BA2B024620211D	Carling Technologies	Circuit Breakers BA2B024620211D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	8In Stock	$139.68 $116.84 $101.16 $94.00 View $86.08 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA2B02661612AD BA2-B0-26-616-12A-D Carling Technologies 1: $132.74 1In Stock	Mfr. Part # BA2-B0-26-616-12A-D Mouser Part # 691-BA2B02661612AD	Carling Technologies	Circuit Breakers BA2B02661612AD Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	1In Stock	$132.74 $110.12 $94.81 $88.10 View $80.70 Quote	Min.: 1 Mult.: 1
Circuit Breakers BB2B022625111D BB2-B0-22-625-111-D Carling Technologies 1: $132.74 9In Stock	Mfr. Part # BB2-B0-22-625-111-D Mouser Part # 691-BB2B022625111D	Carling Technologies	Circuit Breakers BB2B022625111D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	9In Stock	$132.74 $110.12 $92.20 $84.12 View $76.71 Quote	Min.: 1 Mult.: 1
Circuit Breakers Circuit Breaker 2 pole, 50/60Hz, 30A BB2-B0-24-630-221-D Carling Technologies 1: $139.69 11In Stock	Mfr. Part # BB2-B0-24-630-221-D Mouser Part # 691-BB2B024630221D	Carling Technologies	Circuit Breakers Circuit Breaker 2 pole, 50/60Hz, 30A Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	11In Stock	$139.69 $116.86 $110.71 $89.94 View $82.02 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA1B014610C22D BA1-B0-14-610-C22-D Carling Technologies 1: $56.17 5In Stock	Mfr. Part # BA1-B0-14-610-C22-D Mouser Part # 691-BA1B014610C22D	Carling Technologies	Circuit Breakers BA1B014610C22D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	5In Stock	$56.17 $46.60 $39.96 $36.85 View $33.72 $32.66 $31.69 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA1B224615111C BA1-B2-24-615-111-C Carling Technologies 1: $66.23 3In Stock	Mfr. Part # BA1-B2-24-615-111-C Mouser Part # 691-BA1B224615111C	Carling Technologies	Circuit Breakers BA1B224615111C Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	3In Stock	$66.23 $54.94 $46.92 $43.80 View $40.08 $38.79 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: $140.83 2In Stock	Mfr. Part # BA2-B0-44-630-111-C Mouser Part # 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	$140.83 $107.44 $101.97 $94.75 View $86.77 Quote	Min.: 1 Mult.: 1
Circuit Breakers BA2B046610111D BA2-B0-46-610-111-D Carling Technologies 1: $140.83 1In Stock	Mfr. Part # BA2-B0-46-610-111-D Mouser Part # 691-BA2B046610111D	Carling Technologies	Circuit Breakers BA2B046610111D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	1In Stock	$140.83 $107.44 $101.97 $94.75 View $86.77 Quote	Min.: 1 Mult.: 1

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B-Series Circuit Breakers

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