Ring Main Units (RMU)
Ring main units for medium voltage ring distribution networks.
Overview
Ring main units for medium voltage ring distribution networks, providing switching and protection at each distribution point. We source units matched to your network's voltage class and switching configuration.
Features
Compact footprint for space-constrained substations
Load-break switch and circuit-breaker feeder combinations
Extensible with additional switch modules
Applications
Technical Information
Electrical
Voltage class
11kV – 36kV
Rated current
630A
Performance
Switching device
Load-break switches with fused or circuit-breaker feeder module
Physical
Insulation medium
SF6, solid, or air-insulated
Enclosure protection
IP54 indoor / IP34 outdoor
Standards
Typically specified/tested to IEC 62271-200 for AC metal-enclosed switchgear above 1kV
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