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Sabre vacuum circuit breaker ring main unit up to 24kV

The Sabre ring main unit range includes fully extensible and non-extensible options, providing the full range of solutions required for a secondary distribution system. The equipment is fully weatherproof for outdoor use, incorporates vacuum circuit breaker technology and has been designed for long service life with virtually zero maintenance.

A wide selection of product derivatives including extensible ring switches, circuit breakers and air insulated metering units can be directly coupled to form multiple panel switchboards without the need for additional cabling or access to gas insulated chambers.

Types & Dimensions

Dimensions	Sabre VRN2a	Sabre VRN24
Height (mm)	1393 or 1613	1592
Width (mm)	933	939
Depth (mm)	845	1133
Weight (kg)	350	425

Key features

12kV, 15.5kV and 24kV versions
Indoor and outdoor
Fully extensible range available
Utilising vacuum circuit breakers
Common switching chamber
Enhanced duty, in excess of IEC requirements
Internal arc tested cable boxes
Fully rated at atmospheric SF6 pressure
Electric protection relay, fault passage indicators and voltage presence indication available as options