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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 (USD) 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: $45.99 A tariff of 8% may be applied if shipping to the United States. 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	$45.99 $38.15 $32.58 $30.42 View $27.83 $26.94 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BB2B024615321D BB2-B0-24-615-321-D Carling Technologies 1: $97.00 A tariff of 8% may be applied if shipping to the United States. 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	$97.00 $81.14 $70.25 $65.28 View $59.78 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BA1B024620221D BA1-B0-24-620-221-D Carling Technologies 1: $42.46 A tariff of 8% may be applied if shipping to the United States. 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	$42.46 $35.21 $29.90 $27.77 View $25.41 $24.60 $23.88 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers 5 A TWO POLE BA2-B0-34-450-121-D Carling Technologies 1: $92.08 A tariff of 8% may be applied if shipping to the United States. 25In 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	25In Stock	$92.08 $76.01 $70.54 $62.54 View $59.81 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BA1B024615121D BA1-B0-24-615-121-D Carling Technologies 1: $39.01 A tariff of 8% may be applied if shipping to the United States. 8In Stock	Mfr. Part # BA1-B0-24-615-121-D Mouser Part # 691-BA1B024615121D	Carling Technologies	Circuit Breakers BA1B024615121D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	8In Stock	$39.01 $32.36 $27.75 $25.59 View $23.42 $22.68 $22.01 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BA1B024620111D BA1-B0-24-620-111-D Carling Technologies 1: $39.01 A tariff of 8% may be applied if shipping to the United States. 2In Stock	Mfr. Part # BA1-B0-24-620-111-D Mouser Part # 691-BA1B024620111D	Carling Technologies	Circuit Breakers BA1B024620111D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	2In Stock	$39.01 $32.36 $27.75 $25.59 View $23.42 $22.68 $22.01 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BA1B052610411D BA1-B0-52-610-411-D Carling Technologies 1: $45.69 A tariff of 8% may be applied if shipping to the United States. 2In Stock	Mfr. Part # BA1-B0-52-610-411-D Mouser Part # 691-BA1B052610411D	Carling Technologies	Circuit Breakers BA1B052610411D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	2In Stock	$45.69 $37.90 $32.37 $30.23 View $27.65 $26.77 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BA1B22445032AKG BA1-B2-24-450-32A-KG Carling Technologies 1: $58.12 A tariff of 8% may be applied if shipping to the United States. 1In Stock	Mfr. Part # BA1-B2-24-450-32A-KG Mouser Part # 691-BA1B22445032AKG	Carling Technologies	Circuit Breakers BA1B22445032AKG Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	1In Stock	$58.12 $49.26 $43.84 $40.60 View $39.52 $38.50 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BA2B024615122D BA2-B0-24-615-122-D Carling Technologies 1: $92.18 A tariff of 8% may be applied if shipping to the United States. 5In Stock	Mfr. Part # BA2-B0-24-615-122-D Mouser Part # 691-BA2B024615122D	Carling Technologies	Circuit Breakers BA2B024615122D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	5In Stock	$92.18 $76.47 $65.84 $61.18 View $56.04 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers CIRCUIT BREAKER BA2-B0-34-615-111-D Carling Technologies 1: $92.18 A tariff of 8% may be applied if shipping to the United States. 9In Stock	Mfr. Part # BA2-B0-34-615-111-D Mouser Part # 691-BA2B034615111D	Carling Technologies	Circuit Breakers CIRCUIT BREAKER Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	9In Stock	$92.18 $76.47 $69.90 $69.66 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BA2B034640521E BA2-B0-34-640-521-E Carling Technologies 1: $97.00 A tariff of 8% may be applied if shipping to the United States. 1In Stock	Mfr. Part # BA2-B0-34-640-521-E Mouser Part # 691-BA2B034640521E	Carling Technologies	Circuit Breakers BA2B034640521E Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	1In Stock	$97.00 $74.00 $70.25 $65.28 View $59.78 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BB2B026630221D BB2-B0-26-630-221-D Carling Technologies 1: $97.00 A tariff of 8% may be applied if shipping to the United States. 9In Stock	Mfr. Part # BB2-B0-26-630-221-D Mouser Part # 691-BB2B026630221D	Carling Technologies	Circuit Breakers BB2B026630221D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	9In Stock	$97.00 $81.14 $70.25 $65.28 View $59.78 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BA1B034630411D BA1-B0-34-630-411-D Carling Technologies 1: $44.44 A tariff of 8% may be applied if shipping to the United States. 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	$44.44 $36.87 $34.01 $28.15 View $26.03 $25.33 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BA2B044620111D BA2-B0-44-620-111-D Carling Technologies 1: $87.01 A tariff of 8% may be applied if shipping to the United States. 9In 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	9In Stock	$87.01 $74.61 $70.81 $65.80 View $60.26 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BA3-X0-04-129-221-D Carling Technologies 1: $109.01 A tariff of 8% may be applied if shipping to the United States. 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	$109.01 $93.49 $88.58 $59.43 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BB2B022650521C BB2-B0-22-650-521-C Carling Technologies 1: $97.00 A tariff of 8% may be applied if shipping to the United States. 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	$97.00 $74.00 $70.25 $65.28 View $59.78 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Disconnect Switches BDB10RA BDB10-RA Carling Technologies 1: $58.62 A tariff of 45% may be applied if shipping to the United States. 26In Stock 250Expected 10/30/2026	Mfr. Part # BDB10-RA Mouser Part # 691-BDB10-RA	Carling Technologies	Disconnect Switches BDB10RA Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	26In Stock 250Expected 10/30/2026	$58.62 $51.48 $50.70 $46.35 View $41.97 $39.55 Quote A tariff of 45% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BA3B046620111D BA3-B0-46-620-111-D Carling Technologies 1: $158.83 A tariff of 8% may be applied if shipping to the United States. 5In Stock	Mfr. Part # BA3-B0-46-620-111-D Mouser Part # 691-BA3B046620111D	Carling Technologies	Circuit Breakers BA3B046620111D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	5In Stock	$158.83 $131.71 $112.33 $104.00 View $101.25 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BF1B02462053AKG BF1-B0-24-620-53A-KG Carling Technologies 1: $57.21 A tariff of 8% may be applied if shipping to the United States. 23In Stock	Mfr. Part # BF1-B0-24-620-53A-KG Mouser Part # 691-BF1B02462053AKG	Carling Technologies	Circuit Breakers BF1B02462053AKG Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	23In Stock	$57.21 $34.66 $31.87 $30.79 View Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BA1A003630117C BA1-A0-03-630-117-C Carling Technologies 1: $37.00 A tariff of 8% may be applied if shipping to the United States. 1In Stock	Mfr. Part # BA1-A0-03-630-117-C Mouser Part # 691-BA1A003630117C	Carling Technologies	Circuit Breakers BA1A003630117C Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	1In Stock	$37.00 $30.70 $26.12 $24.06 View $21.89 $21.20 $20.57 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BA2B034625212D BA2-B0-34-625-212-D Carling Technologies 1: $97.00 A tariff of 8% may be applied if shipping to the United States. 6In Stock	Mfr. Part # BA2-B0-34-625-212-D Mouser Part # 691-BA2B034625212D	Carling Technologies	Circuit Breakers BA2B034625212D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	6In Stock	$97.00 $81.14 $70.25 $65.28 View $59.78 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BB2B034615131D BB2-B0-34-615-131-D Carling Technologies 1: $92.18 A tariff of 8% may be applied if shipping to the United States. 10In Stock	Mfr. Part # BB2-B0-34-615-131-D Mouser Part # 691-BB2B034615131D	Carling Technologies	Circuit Breakers BB2B034615131D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	10In Stock	$92.18 $76.47 $71.91 $61.18 View $56.04 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BB2B036610111D BB2-B0-36-610-111-D Carling Technologies 1: $92.18 A tariff of 8% may be applied if shipping to the United States. 1In Stock	Mfr. Part # BB2-B0-36-610-111-D Mouser Part # 691-BB2B3661111D	Carling Technologies	Circuit Breakers BB2B036610111D Learn More about Carling Technologies carlingBcircuitbreakers	Datasheet	1In Stock	$92.18 $69.53 $65.84 $61.18 View $56.04 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers BA1B026620121D BA1-B0-26-620-121-D Carling Technologies 1: $39.01 A tariff of 8% may be applied if shipping to the United States. 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	$39.01 $32.36 $29.79 $28.13 View $27.15 $26.38 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Circuit Breakers 10 A ONE POLE BA1-B0-34-610-121-D Carling Technologies 1: $39.02 A tariff of 8% may be applied if shipping to the United States. 5In Stock 20Expected 10/20/2026	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 10/20/2026	$39.02 $32.37 $29.39 $29.24 View $27.34 $27.24 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1

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B-Series Circuit Breakers

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