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Weidmuller: HB-Series Miniature Circuit Breakers

August 8, 2022

Increase performance and save space with Weidmuller’s Hydraulic Magnetic miniature circuit breakers. The new universal-voltage HB-SERIES Circuit Breaker from Weidmuller is the latest addition to their Hydraulic Magnetic Circuit Breakers lineup. It features modularity, ease of use, and space-saving well beyond that of conventional circuit breakers.

The operational universal-voltage ranges from 240VAC/80VDC for 1 and 3 Poles, and 120/240VAC/80VDC for 2-Pole variants, which are available in 0.5-32 Amps in instantaneous, short, medium and long delay curves.

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Features & Benefits

Visual Operational Indicator

  •    –   Green/Off – indicates physical contacts are open allowing work on downstream circuit to be carried out safely.
  •    –   Red/ON – “Circuit is Live” Conforms to IEC/EN 60947-2 for industrial isolation


Finger Safe Terminals

  •    –   Touch safe with captive screws


Rising Conductor Cage Clamp

  •    –   Excellent retention of ferruled, solid, or stranded wire.


Multi-stage Arc Extinguishing Chamber

  •    –   Compact and well-proportioned blowout arc grid plates work to draw out, split, reduce, and extinguish arcs caused when opening a circuit.

Additional Features & Benefits

Advance Hydraulic Electromagnetic Tripping Mechanism

  •    –   Hydraulic oil viscosity creates time lags longer or shorter at cold or hot temperatures
  •    –   No thermal element, therefore resettable immediately after close
  •    –   No derating necessary, 100% rated breaker
  •    –   High Shock and Vibration endurance, 10G and 5G respectively.


Spring Loaded Metal DIN Rail Locking Clip

  •    –   For superior shock and vibration resistance, and hold on all types of TS35 DIN rail.


Approval Rating

  •    –   cULus Listed UL489


Black V-0 Flame Retardant Casing

  •    –   RoHS approved
  •    –   Burning stops within 10 seconds, limits drops of plastic to not be inflamed.


Immediate Reset Toggle Switch

  •    –   No thermal elements, no heat build-up, thus no “cooling off” period is required after a fault.Maximum Operation Working Environment


Maximum Operation Working Environment

  •    –   -40 ± 85 °Celsius
  •    –   Altitude: ≦ 2000m

Auxiliary Switch and Trip Alarm Features

  •    –   Auxiliary switch
  •    –   AC and DC voltages
  •    –   IEC 60947-5-1 Pending (6 A 250 Vac, 0.5 A 110 Vdc)
  •    –   Factory fitted
  •    –   Attached to right hand side of circuit breaker
  •    –   Compact 6.5 mm width

Applications

  •    –   AC branch circuit protection
  •    –   Telecom / datacom equipment
  •    –   Lighting control
  •    –   UPS Equipment
  •    –   Alternative energy equipment
  •    –   Mobile power-generation equipment
  •    –   Railway signaling equipment
  •    –   Residential equipment
  •    –   Industrial equipment
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https://www.weidmuller.com/en/products/electronics/circuit_protection/hb_series_mcb.jsp

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