Thyristor power regulator PMA

- Contact free and safe
- High degree of efficiency
- No wear
- Built-in semiconductor fuse
- Integrated soft start for transformer use
- Load circuit and self monitoring integrated
- Single phase, Three-phase twin leg configuration
- System iInterface via busmodule

Applications
Switching of ohmic as transformer load for
- Industry- diffusion- drying furnaces
- Extrusion and plastic presses
- Pipe-heating and pre-heating systems
- Glass manufacture and processing ( melting, feeder, refining)
- Paint- and laquer drying
- IR drying (printing machines)
- Shrink tunnel (packaging industry)

Main attributes
Full oscillation cycle and phase angle mode
QTM0=rapid half cycle for IR load
switching of ohmic load for AC ranges
230 V, 400 V, 500V
Load current 8 up to 280 A
Control input 0(4)...20 mA, 0...5/10 V
Fault signalling