Outdoor Ring Main Units

Compact and/or extensible SF6 insulated Ring Main Unit with load break switches, fuse switches or integrated vacuum circuit breakers.

Voltage Current Rated Short Time Withstand Current Location
12kV - 36kV 630A 25kA Indoor/ Outdoor
Outdoor RMU

**Compact 12Kv/ 17.5kV Outdoor Ring Main Unit**
Additionally, the RMU can be fitted with a system for pressure release which shields the user from the consequences of an internal arc, called Arc-Killer.

Option for built in Arc Killer Arc Killer

Arc-killer SV-50, is a system for detecting and extinguishing an internal arc. The arc-killer extinguishes the arc by directing it to a metal earthed short circuit and the arc is extinguished in less than 50 ms.

Protect your cubicles, your infrastructure, and especially your staff against the negative consequences of an internal arc. The built in arc killer extinguishes an arc in less than 50 ms. The arc killer is a system for detecting and extinguishing an internal arc and is KEMA type tested.

Compact 36kV Outdoor Ring Main Unit Outdoor RMU

A compact gas insulated outdoor RMU which combines the functions of modular switchgear in one compact outdoor unit.

Produced as IP 54 class protection and IEC 62271-200 standards.

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