Description

ABB UniSafe Medium‑Voltage Air‑Insulated Metal‑Clad Switchgear

Technical Specifications

• Product Model: UniSafe
• Brand: ABB
• Warranty: One Year
• Rated Voltage: Up to 24 kV; 50‑60 Hz
• Operating Temperature: ‑5 °C ~ +40 °C indoor installation
• Storage Temperature: ‑25 °C ~ +70 °C
• Response Time: Matched with ABB VD4 vacuum circuit‑breaker tripping time ≤60 ms
• Protection Class: IP4X external enclosure; internal arc‑tested AFLR classification
• Busbar Rated Current: 630‑4000 A
• Short‑Time Withstand Current: Up to 50 kA / 1 s
• Peak Withstand Current: Up to 125 kA
• Main Circuit Component: Compatible with ABB VD4 / iVD4 vacuum circuit breakers
• Structure: Metal‑clad compartmentalized design; separate busbar, breaker, cable and control compartments
• Mechanical Interlocks: Full set of safety interlocks for rack‑in / rack‑out, earthing switch and door‑locking
• Control Circuits: 110‑220 VAC / DC auxiliary control supply
• Certifications: IEC 62271‑200, CE, cULus compliant
• Mounting: Floor‑standing indoor cubicle installation
• Dimensions / Weight: Cubicle width 600‑1000 mm; weight 800‑1200 kg per cubicle (configuration‑dependent)

Product Overview

The UniSafe is ABB modular air‑insulated metal‑clad medium‑voltage switchgear for primary power distribution applications. It adopts fully compartmentalized metal‑enclosed construction, delivering high‑level operator safety with internal arc fault resistance. The cassette‑type vacuum circuit‑breaker compartment supports simple breaker withdrawal and replacement. Rich mechanical interlock mechanisms prevent mis‑operation during maintenance. It can integrate protection relays, metering instruments and intelligent monitoring units to realize protection, measurement, control and event‑recording functions for power distribution networks. Compact cubicle design reduces overall footprint, suitable for utility substations, power‑plant auxiliary power systems, petrochemical plants, data‑center and large‑building power‑supply environments.

This MV switchgear addresses reliable medium‑voltage power‑distribution challenges: arc‑resistant compartmentalized enclosure, proven VD4 vacuum‑breaker compatibility, comprehensive mechanical safety interlocks, flexible modular expansion, drop‑in spare‑part compatibility for UniSafe‑series retrofit‑maintenance projects. Electrical power‑system engineers, utility‑site and industrial‑plant maintenance technicians and retrofit integrators benefit most. Typical applications: industrial‑plant medium‑voltage distribution rooms, utility substation switch‑rooms, data‑center critical‑power supply cabinets, commercial‑complex power‑distribution systems.