Primary Mechanism

Spring Operating Conventional VCB Mechanism

Heavy-duty motor-wound spring-operated mechanism designed for 11KV and 33KV Vacuum Circuit Breakers.

Spring Operating Conventional VCB Mechanism

Technical Specifications

Key Features

  • Emergency closing by slow close handle.
  • Over-charging protection for safety.
  • Inbuilt dashpot for smooth operation.
  • Spring charging time: < 10 seconds.
  • Effortless manual spring charging lever.
  • Mechanical status indicators (Open/Close, Charged/Discharged).
  • NC contact cut-off for motor circuit protection.

Performance Data

  • System Voltage: 11 KV / 33 KV
  • Rated Current: Up to 2000 A
  • Operation: Motor Wound / Manual
  • Charging Motor: 300W - 230V AC/DC
  • Coil Rating: 24V - 220V (400W)
  • Output Travel: 12 - 14 mm

Dimensions & Weight

  • Height: 650 mm
  • Width: 250 mm
  • Depth: 300 mm
  • Weight: ~45 Kgs
  • Applications: HV/LV Substations, Heavy Industries.