Temperature step transformer controller 8A Temperature step transformer controller 8A 437,94 € Quantity: The step transformer controller have the special characteristic that the ventilators make no noise "hum" in the lower rotation. The step transformer control the fan speed from self 6-step up/down according the temperature. View product
Hysteresis controller Hysteresis controller 139,75 € Quantity: The Temperature, minimum-, maximum- speed controller with hysteresis setting is a temperature depended speed controller for ventilated rooms with one ore more fans View product
Humidity and temp. step transformer controller 2.5A Humidity and temp. step transformer controller 2.5A 329,06 € Quantity: The step transformer controller have the special characteristic that the ventilators make no noise "hum" in the lower rotation. View product
Timer Box II 6x600W Timer Box II 6x600W 162,50 € Quantity: The timer box turns on and off 6x600W or 6x400W ballasts. View product
Temperature and negative pressure controller (16A) Temperature and negative pressure controller (16A) 197,44 € Quantity: Temperature and negative pressure controller (16A) View product