Fixed pattern circuit breaker panel

ABB’s new UniGear ZS1 Fixed Pattern Circuit Breaker panel, fitted with the Vmax/F circuit breaker, is the latest addition to the well established UniGear ZS1 range of metal-clad AIS (Air Insulated Switchgear) MV switchgear. Together with ABB’s comprehensive range of LV and MV switchgear, cast resin and oil/Midel transformers, the new Fixed Circuit Breaker panel now enables ABB to offer a complete, fully integrated one-stop-shop package for indoor primary power distribution installations such as offices and data centres.

An important advantage of the new UniGear ZS1 Fixed Circuit Breaker panel is that it coordinates completely with ABB’s existing UniGrear ZS1 portfolio. So, for example, it is possible to specify on the same busbar: a UniGear panel with withdrawable incomer; fixed circuit breaker outgoing; additional motor starter switchgear.

Maximum reliability and safety
The UniGear ZS1 Fixed Circuit Breaker panel has been designed for maximum safety and reliability, with mechanical interlocks between the circuit breaker, three-position line disconnector and cable testing device. All components can be accessed directly from the front, so there is no need for rear access for maintenance and service operations. The circuit breaker can be replaced in less than 90 minutes.

Compact space saving installation
UniGrear ZS1 Fixed Circuit Breaker panels are ideally suited to applications where space is restricted. Even at a rating of 2000A, each panel is just 500mm wide and 1320mm deep. The panels offer rear cable access from both bottom and top - which is ideally suited for data centres. They can be rear wall mounted if required and are suitable for containerised substations.

Simplicity and ease of operation
Ergonomic design makes the UniGear ZS1 Fixed Circuit Breaker panel simple and easy to operate. This is further enhanced when the panel is equipped with advanced terminal equipment, such as ABB’s Modbus enabled REF series of relays that facilitates communication with SCADA systems or remote operation by an electrical network management system.

Service
The new UniGear ZS1 Fixed Circuit Breaker panel is supported by ABB’s UK service team that provides a comprehensive asset management service.

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