Step transformers are used to control the speeds of fan motors without the generation of buzzing sounds. This transformer can be used for several motors if the rated load of the transformer unit is not exceed. The ETISW series is ideal for installation in switch cabinets, however this requires the use of the additional ETISW cam switch.
Dimensions and technical details
- 230 Volt, 50 / 60 Hertz
- step transformers with terminal strip
- type selectable: 1.5; 2.5; 3.5 or 5.0 A
- 5-step model: 3.5 , 5.0 A
- 6-step model: 1.5, 2.5 A
- grading 5 steps: 75 / 110 / 150 / 180 / and 230 V
- grading 6 steps: 80 / 100 / 120 / 150 / 170 / 190 and 230 V
- installation in open V-circuit
- max. ambient temperature: 40°C
- low interference liability, low loss and quiet fan operation
- several different fans can be connected to one transformer if maximum load is not exceeded
- required accessory: ETISW cam switch
Accessories and extras are available in our shop.