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Carling Technologies BB2B042620221D B-Series Circuit Breaker

The CARLING TECHNOLOGIES B-Series circuit breaker is designed for world market applications, utilizing hydraulic magnetic principles for precise operation even in extreme temperatures. It's suitable for power supplies, medical equipment, office equipment, control panels, and marine equipment. The B-Series offers 1-6 poles, current ratings from 0.02 to 50 amps, and supports various voltage levels. It holds numerous certifications including UL, CSA, TUV, and VDE, ensuring reliable performance and safety across a wide range of industrial applications.

Authorized Distributors
Source:DigiKey
Part No:BB2-B0-42-620-221-D
Stock:0
Inv Date:06-06-2026
Price: Unit price: $73.49
Buy/RFQ:
Source:DigiKey
Part No:BB2B042620221D
Stock:0
Inv Date:06-06-2026
Price: Unit price: $73.49
Buy/RFQ:
Part No:BB2-B0-42-620-221-D
Stock:0
Inv Date:06-07-2026
Price: Unit price: $66.85
Buy/RFQ:
Part No:BB2-B0-42-620-221-D
Stock:0
Inv Date:06-06-2026
Price: Unit price: $78.75
Buy/RFQ:
Part No:BB2-B0-42-620-221-D
Stock:2
Inv Date:06-06-2026
Price: Unit price: $53.9
Buy/RFQ:
Part No:BB2-B0-42-620-221-D
Stock:2
Inv Date:06-06-2026
Price: Unit price: $53.9
Buy/RFQ:

Carling Technologies BB2B042620221D 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
  • 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
  • insulation_resistance: Minimum of 100 Megohms at 500 VDC
  • dielectric_strength: UL, CSA - 1500 V 50/60 Hz for one minute
  • trip_free: All B-Series Circuit Breakers will trip on overload
  • trip_indication: The operating Handle moves positively to the OFF position when an overload causes the breaker to trip.
  • 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_resistance: Withstands 100 Gs, 6ms
  • vibration_resistance: Withstands 0.060" excursion from 10-55 Hz
  • moisture_resistance: Ten 24-hour cycles @ + 25°C to +65°C, 80-98% RH
  • salt_spray_resistance: 90-95% RH @ 5% NaCl Solution, 96 hrs
  • thermal_shock_resistance: Five cycles @ -55°C to +25°C to +85°C to +25°C

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You can download the BB2B042620221D datasheet or visit the Carling Technologies website for support.

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Carling Technologies

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