5-steps transformer controller with motor protection
Application
Hand control of the speed of controllable motors with PTO
Composition
Supply: 400 Vac - 50/60 Hz - from 1,5 up to 11 A
Enclosure: sheet steel, IP54
Cam switch: 5 positions and Off-position
Several voltage ranges possible
Indicator lamp.
230 Vac, unregulated output
Ready mounted cable glands
Maximal ambient temperature: 35 °C
With TK contacts for thermal motor protection
The BTRNTK-4 transformer speed controllers are based on the principle of voltage control with auto-transformers. They are applicable to voltage-controllable motors (400 Vac, 50/60 Hz) to control in 5 steps the rotational speed (of fans, pumps, etc.).