TESCO is an SF6 insulated outdoor ring main unit designed for secondary distribution networks up to 12Kv. Our RMU offers with a sealed stainless steel tank that contains all the live components and switching functions. The stainless steel tank is robotically welded and is sealed for life ensuring a high level of personnel safety as well as a maintenance-free system. Fully Type tested in STL Accredited Laboratory. Suitable for both indoor and outdoor applications. Extension available on both sides of the RMU. Panel design to meet the temperature rise limits as per the standards. Padlocking facility on the front panel to prevent unwanted closing operations. Our RMU is also available motorized and with SCADA Single line mimic diagram for simple and safe operation High-level operator safety and operating reliability
STANDARDS
TESGO complies with IEC 62271-100, 200 ,102 and 103.
SAFETY
1. All Electrical and Mechanical Interlocks are provided for safe operation
2. Padlocking facility on the front panel to prevent unwanted closing operation
3. All Switching functions are enclosed in an SF6 gas-insulated steel tank, sealed for life.
4. Internal Arc resistant
Description | Parameters |
---|---|
Type | Tee Off type |
Rated Voltage | 12 kV |
Rated Current | 400 A |
Rated Frequency | 50 Hz |
Power Frequency Withstand Voltage | 28kV rms |
Lightning Impulse Withstand Voltage k | 75kV pea |
Short-Time Withstand Current | 21 kA |
Peak withstand current | 52,5 kA |
Duration Of Short-Circuit | 3 s |
Internal Arc Classification | A FL |
Partition Class | PM |
Insulation Medium | SF6 Insulated |
Type Of Application | Indoor /Outdoor |
Degree Of Protection For RMU Unit | IP54 |
Degree Of Protection For Tank | IP67 |
Rated supply voltage of auxiliary and control circuits | 24 Vdc |
Standard Colour | RAL 7012 |
Normal Service Condition | -5℃~+50℃ |
Dimensions ( 2 LBS + 1 CB) | |
Height | 1755mm |
Width | 1198mm |
Depth | 1122mm |