myMectronic
myMectronic

A Premier B2B Part Search

Carling Technologies BA1B034450121D B-Series Circuit Breaker

The CARLING TECHNOLOGIES B-Series circuit breaker is a robust and versatile solution designed for a wide range of industrial applications. Utilizing hydraulic magnetic principles, it ensures precise and reliable operation even under extreme temperature conditions. Typical applications include power supplies, medical equipment, office equipment, control panels, and marine equipment. The B-Series meets stringent safety standards like CSA and UL, making it suitable for demanding environments. It offers flexibility with options for time delays, terminals, and actuator colors, catering to diverse system requirements. Its robust construction and certifications ensure dependable protection and long-term performance.

Authorized Distributors
Source:DigiKey
Part No:BA1-B0-34-450-121-D
Stock:0
Inv Date:06-06-2026
Price: Unit price: $27.644
Buy/RFQ:
Source:DigiKey
Part No:BA1B034450121D
Stock:0
Inv Date:06-06-2026
Price: Unit price: $27.644
Buy/RFQ:
Part No:BA1-B0-34-450-121-D
Stock:0
Inv Date:06-07-2026
Price: Unit price: $33.15
Buy/RFQ:
Part No:BA1-B0-34-450-121-D
Stock:0
Inv Date:06-06-2026
Price: Unit price: $33.81
Buy/RFQ:
Part No:BA1-B0-34-450-121-D
Stock:0
Inv Date:06-06-2026
Price: Unit price: $21.65
Buy/RFQ:
Part No:BA1-B0-34-450-121-D
Stock:0
Inv Date:06-06-2026
Price: Unit price: $21.65
Buy/RFQ:

Carling Technologies BA1B034450121D B-Series Circuit Breaker Specifications:

  • Maximum Voltage: 277VAC 50/60 Hz, 80VDC
  • Endurance: 10,000 ON-OFF operations @ 6 per minute
  • Current Ratings: Standard current coils: 0.100, 0.250, 0.500, 0.750, 1.00, 2.50, 5.00, 7.50, 10.0, 15.0, 20.0, 25.0, 30.0, 35.0, 40.0 and 50.0 amps
  • Trip Free: All B-Series Circuit Breakers will trip on overload, even when Handle is forcibly held in the ON position.
  • Trip Indication: The operating Handle moves positively to the OFF position when an overload causes the breaker to trip.
  • Standard Voltage Coils: DC - 6V, 12V; AC - 120V
  • Auxiliary Switch Rating: SPDT; 10.1 AMPS - 250VAC,1.0A 65 VDC, 0.5A 80 VDC, 0.1 Amps - 125VAC (with gold contacts). VDE-1.0 Amp - 125VAC.
  • Insulation Resistance: Minimum of 100 Megohms at 500 VDC
  • Dielectric Strength: UL, CSA - 1500 V 50/60 Hz for one minute
  • Number of Poles: 1 - 6 poles at 30 Amps or less. 1 and 2 poles at 31 Amps thru 50 Amps.
  • Internal Circuit Config: Series, (with or without auxiliary switch), Shunt and Relay with current or voltage trip coils, Dual Coil, Switch Only (with or without auxiliary switch).
  • Weight: Approximately 65 grams/pole
  • Standard Colors: Housing- Black; Actuator - See Ordering Scheme
  • Operating Temperature: -40° C to +85° C
  • Shock Withstands: 100 Gs, 6ms, sawtooth while carrying rated current
  • Vibration Withstands: 0.060" excursion from 10-55 Hz, and 10 Gs 55-500 Hz, at rated current
  • Moisture Resistance: Ten 24-hour cycles @ + 25°C to +65°C, 80-98% RH
  • Salt Spray: 90-95% RH @ 5% NaCl Solution, 96 hrs
  • Thermal Shock: Five cycles @ -55°C to +25°C to +85°C to +25°C

Buy the BA1-B0-34-450-121-D CARLING TECHNOLOGIES B-Series Circuit Breaker | myMectronic

Purchase the CARLING TECHNOLOGIES BA1-B0-34-450-121-D B-Series Circuit Breaker securely and efficiently online.

Buy Now

Frequently Asked Questions

Where can I buy Carling Technologies BA1B034450121D?

You can click on the BUY or RFQ button to purchase BA1B034450121D from an authorized Carling Technologies distributor.

How do I troubleshoot issues or seek technical support for part BA1B034450121D?

You can download the BA1B034450121D datasheet or visit the Carling Technologies website for support.

Who is the manufacturer of BA1B034450121D?

Carling Technologies

Carling Technologies Part List

Browse and search other Carling Technologies parts, locate datasheets and stock

Sponsored by