Transformer speed controllers
Transformer speed controller without thermo protection RVN: ~1 230V, 50H This compact single-phase controller without thermo protection is used to control fan speed by changing voltage. Voltage is adjusted manually by changing control knob position. There are 5 positions. Controller has power indication led. |
Transformer speed controller with thermo protection RV: ~1 230V, 50Hz This single-phase controller with thermo protection is used to control fan speed by changing voltage. Voltage is adjusted manually by changing control knob position. There are 5 positions. Controller has power indication led. |
Transformer speed controller with thermo protection RT: ~3 400V, 50Hz This three-phase controller with thermo protection is used to control fan speed by changing voltage. Voltage is adjusted manually by changing control knob position. There are 5 positions. Controller has power indication led. |
Transformer speed controller without thermo protection RVN: ~1 230V, 50H with 2 switches This compact single-phase controller without thermo protection is used to control fan speed by changing voltage. Voltage is adjusted manually by changing control knob position. Two different motor rotation speeds can be selected by 2 step switches built into a controller. There are 5 positions. Controller has power indication led. |
Transformer speed controller with thermo protection RV: ~1 230V, 50Hz with 2 switches This single-phase controller with thermo protection is used to control fan speed by changing voltage. Voltage is adjusted manually by changing control knob position. Two different motor rotation speeds can be selected by 2 step switches built into a controller. There are 5 positions. Controller has power indication led. |
Transformer speed controller with thermo protection RT: ~3 400V, 50Hz with 2 switches This three-phase controller with thermo protection is used to control fan speed by changing voltage. Voltage is adjusted manually by changing control knob position. Two different motor rotation speeds can be selected by 2 step switches built into a controller. There are 5 positions. Controller has power indication led. |