Unisec cabinets bring users advanced technology for protection, monitoring and control. Self-powered relays for basic applications up to high-end relays.
Air insulation of all live parts.
Isolator / load breaker in SF6 atmosphere.
Stationary cutters and draw drawers.
Drawer vacuum contactor.
Full range of functional combinations and accessories.
Extensive selection of roles for control, protection, and metering.
Rated voltage 12kV / 24kV
Test voltage (50-60 Hz x 1 min): 28kV / 50kV
Endurance pulse voltage: 75kV / 125kV
Rated frequency: 50-60Hz / 50-60Hz
Main busbar rated current: 630/800 / 1250A / 630 / 1250A
Rated current of main unit
Gsec series SF6 gas insulated load breakers: 630 / 800A / 630A
Cutting machine HD4 / R-Sec series: 630 / 800A / 630A
Cutting machines for VD4 / R-Sec series: 630 / 800A / 630A
Mobile cutting machine Vmax / Sec series: 630 / 1250A / -
Mobile cutting machine VD4 / Sec series: - / -
VCS / P: 400A / -
Rated short-circuit current withstand rating: 16/20 / 25kA (3s) / 16 / 20kA (3s)
Peak current: 40/50 / 62.5kA / 40 / 50kA
Internal arc withstand current: 12.5 / 16/21 / 25kA (1s) / 12.5 / 16 / 21kA (1s)