Vent Axia 2.5Amp Industrial Electronic Speed Controller

Performance can be selected using an electronic controller.
Surface mounting
Provides infinitely variable speed control and features an On/Off/sensor slider with neon indicator.
Adjustable minimum speed setting.
Electrical connections for use with suitable external sensors are provided.
86 x 156 x 53mm (HxWxD).
Hole for wall box:
80 x 150 x 50mm (H x W x D).