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3 AMP 3 x Position rotary switch
30-90% Relative Humidity range. Single phase
Single pole
Single phase two pole
Single phase two pole + red neon
Single phase two pole + red neon & fuse
Single phase two pole + Fuse holder
Three pole
Single pole + green neon
Double and lockable triple pole
Single and lockable tripple pole + green neon
Single and double pole + red & green neon
Rotary speed control for QuietAir QT150VS only.
Double and single pole
Three position + green and red neon
100% speed controller for linear control of fans
Maxivent / Supervent / iCON60