An economical means of switching three phase heating loads is to switch two phases only. This is possible on delta or floating star (no neutral) loads with constant resistance heaters. Rating 1 to 60 kw . modul - THC-2
Input- 415 V. /- 10%, 50 Hz
Output as per requir heater/ transformer load
Input control 4-20 m A. signal by external process. 0-10 V. DC signal by external process.
Controller details Out put voltage proportional to input control signal by phase angle control of thyristors.
Indications - A) Power On over trip
Adjustment- A) Voltage Setting
Protections - A) dv/dt protection by RC snubber
Construction Open execution module suitable to mount in side the panel.