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Ring Main Unit (RMU)

Lead time
Quantity (pieces)1 - 300> 300
Lead time (days)22To be negotiated
Samples

Maximum order quantity: 1 piece

Highlights:
  • Intelligent Management and Efficient O&M

  • Outstanding Insulation Performance

  • Eco-Friendly and Sustainable

  • High Environmental Adaptablility

Product specification
ParameterValue

C CabinetF CabinetV Cabinet
Load Break SwitchCombined Electrical EquipmentVacuum Circuit BreakerIsolation or Grounding Switch
Rated Voltage
12kV / 17.5kV / 24kV
Rated Frequency 50Hz / 60Hz
Power Frequency Voltage Test 42kV/min | 48kV/min                            45kV/min | 55kV/min                           65kV/min | 79kV/min
Lightning Impulse Withstand Voltage 42kV | 48kV                                         110kV | 110kV                                       125kV | 145kV
Rated Current 
630A125A630A630A
Mechanical Life (Times) 5,000
5,000
1000010000
Short-time Withstand Current 
20kA/4s / 25kA/4s 
/
20kA/4s / 25kA/4s 
20kA/4s / 25kA/4s 
Peak Withstand Current 50kA / 63kA/50kA / 63kA50kA / 63kA
Active Load Breaking Current 
630A///
Internal Arc Test (IAC Level:AFLR)20 / 25kA / 0.5s/
Rated Short-Circuit Making Current 
50kA / 63kA 
/
50kA / 63kA 
50kA / 63kA 
Rated Short-Circuit Breaking Current/31.5kA20kA / 25kA/
Transfer Current /1400A//
Standard IEC 62271, IEC 62271-1, IEC 62271-200, IEC 62271-100 IEC 62271-102, IEC 62271-103, IEC 62271-105


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