11kV SF6 Ring Main Unit

rating

4 Panel 11 KV SF6 gas filled RMU with 4 No.s Isolators & 0 No. Vacuum Circuit Breaker for Outgoing without Metering Panel

Technical Parameters:

11kV,630A, Copper Bus bar(only for RMU), STC 21kA for 3 Sec, IAC 21kA for 1s.

Ambient Temperature: 40 Deg C

RMU shall be LHS Extensible in case of Metering Panel is Required.

Enclosure:

IP54 (Outdoor), Copper Bus bars.

Each Load break Switches includes:

Motorized SF6 three position switches with position ON-OFF, Manual Operated spring mechanism OFF-EARTH,

Mechanical indicators for position ON-OFF-EARTH, Mimic diagram at the front facia of RMU, Auxiliary contact for LBS ,

Socket for Capacitive Voltage Indicator , Padlocking facility,

Provision for connecting maximum 1Rx3Cx240 sq mm Aluminum power cable.

Accessories with each RMU includes:

1 No. Fault Passage Indicator with earth fault and short circuit facility per LBS feeder of RMU.

Operating handle - 1 No.

1 No. Ready for Service indicator for checking SF6 gas pressure.

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