Dedicated three-position automatic transfer switch. Upon receiving a transfer signal, it can immediately (or after a preset delay) switch from one power supply to another, or to a neutral disconnected position not connected to any power supply.
Switchgear class:Dedicated PC class.
Installation method:Fixed installation.
Wiring method:Rear horizontal wiring.
Utilization category:AC-33B.
Rated working voltage :AC380V,AC400V,AC415V.
Rated working current :800A,1000A,1250A,1600A,2000A.
Rated insulation voltage :AC1000V.
Short-time withstand current :25kA/60ms,32kA/60ms,40kA/60ms.
Impulse withstand voltage :12kV.
Short-circuit current limiting: Pre-fuse protection lq 120kA.
Number of poles:3-pole,4-pole.
Contact transfer time:≤100ms.
Transfer action time: ≥100ms with specific delay added (determined by the controller equipped).
Operation Mode: Controller automatic/manual conversion, manual handle conversion,external control(also through PLC control, other smart controller control,button remote control,etc.).