MAP

International

Domestic

Switchgear

Vacuum Circuit Breaker

Features

  • Maintenance free design
  • Horizontal drawout and isolation
  • Positive racking mechanism
  • Interlocks to prevent insertion/withdrawal of closed CB
  • CB can operate in test or service position only
  • Identically rated CBs are fully interchangable
  • Easy retro fitting with cassette system
  • Fully type tested as per IEC60056/IS 13118/IEC 62271-100

Specification

Type   11kV 22kV 33kV
    VCB C500 VRK 12-4 VRK 24 VRK 36
Rated Voltage kV 12 12 24 36
Insulation level kVrms/kVp 28/75 28/75 50/125 70/170
Rated Current A 1250 2500 1600 1600
Braking Capacity kA 26.2 40 40 26.2
Making Capacity kAp 65.5 100 100 78.75
Short Time Current
(1 or 3 Sec)
kA 26.2 40 40 26.2
Operating Sequence O - 0.3 Sec - CO - 3 min - CO
Auxiliary Switch Contacts 8NO + 8NC
Spring Charging Motor Power W 250
Spring Charging Motor Voltage V 230V AC, 110V DC, 220V DC
Closing / Tripping Coil Power W 180
Closing / Tripping Coil Voltage V 24, 30, 48, 110, 220DC
Weight (approx) kG 150 140 140 360

Operating Mechanism

  • Proven spring operated mechanism
  • Designed to closed and latch
  • Positive racking mechanism
  • Manual/motorised option
  • In built trip free mechanism
  • In built anti pumping feature
  • Mechanical ON/OFF indication

Download Brochure