RMU, ring main unit/12kV ring main unit/15kV ring main unit/24kV ring main unit/SF6 switchgear/SF6 Gas ring main unit
Joyelectric International is a professional Ring Main Unit manufacturer, supplier and distributor in China, welcome to order rmu products from our factory and company.
WHR-12~24 RING MAIN UNIT
IEC 60265: Switching and operations
IEC 60420: Switch-fuse co-operation
IEC 62270-200: Alternating-current metal-enclosed switchgear and controlgear for rated voltages above 1kV and up to and including 52kV
IEC 62271-102: High-voltage alternating current disconnectors and earthing switches
IEC 62271-100: High-voltage alternating current Circuit breakers
GB3804: Alternating-current load switchgear for rated voltages above 3.6kV and up to and including 40.5kV
GB1984: High-voltage alternating current Circuit breakers
GB1985: High-voltage alternating current disconnectors and earthing switches
GB16927: Switch-fuse co-operation
GB3906:Alternating-current metal-enclosed switchgear and controlgear for rated voltages above 3.6kV and up to and including 40.5kV
WHR RMU technical data
Vacuum circuit breaker
Short circuit breaking current
Limited by fuse
Limited by fuse
Short circuit current 1sec.
Short circuit current 3sec.
*Requires 400 series bolted bushings
**1 sec. rating on request
WHR RMU modules
De-with earthing switch
F-switch fuse disconnector
Sv-with vacuum circuit breaker
V-vacuum circuit breaker
D-direct cable connection
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