The TIEPCO Pad Mounted Metering Unit conforms to the latest IEC 602271-200 standard and is designed and manufactured utilizing the in house expertise and state of the art technology, fully taking into account the specific requirement of utility for revenue metering of large industrial consumers.

Characteristics

  • Metal-enclosed, air-insulated switchgear.
  • Suitable for medium voltage distribution.
  • Guaranteed arc-proof units.
  • Tested in accordance with the main international Standards.
  • Complete with mechanical safety interlocks.
  • Available in 17.5kV and 36KV ratings.
  • Configured for incoming cable and metering compartment having medium voltage instrument transformers and suitable outgoing feeder with disconnector or direct connection.
  • Main busbar rating up to 630A and short time rating up to 25KA.
  • Outdoor installation.

Technical Specification

Rated Voltage 17.5KV 36KV
Operating Voltage 14.4KV 34.5KV
Impulse Withstand Voltage 95KV 170KV
Power Frequency Withstand Voltage 38KV 70KV
Rated Frequency 60Hz
Short Time Current 25KA /1SEC
Peak Rated Current 62.5KA
Busbar Current UP TO 630A
Internal Protection Degree IP3X
Outdoor Enclosure Protection Degree IP54
Accessibility FRONT
Busbar Treatment BARE COPPER
Door & Front Of Switchgear Paint RAL 7033
Outdoor Enclosure Color Finish MUNSELL GREEN
Switchgear Structure GALVANIZED
Cable Inputs BOTTOM
Cable Outputs BOTTOM
Development SINGLE BUSBAR SYSTEM
Service Conditions:
Altitude UPTO 1000M ABOVE MEAN SEA LEVEL
Ambient Temperature FROM -5°C TO +40°C
Humidity AVERAGE  VALUE OVER 24H < 95%
Environment NORMAL UNPOLLUTED
Applicable Standard: IEC 62271-102, 103 & RC SPECS. 16409