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SDK Solenoid Draw Knob

SDK Solenoid Draw Knob

The solenoid draw knob glides in and out manually as well as automatically by driving four stationary electromagnetic coils. Each coil was designed to saturate at 14 volts, so power supplies adjusted over 14 volts will not cause loud switch operation. Our compact design allows tight switch placement even in small Moller consoles. A sealed reed switch and enclosed design protects against dust. The SDK has an elegant feel that is prefered by many over other knobs on the market.

Features

  • Models for 12 or 24 volt operation
  • Angled metal chassis prevents dropped screws from shorting
  • Models with 3/4 in travel or 3/8 in travel length.
  • Models to fit 1 in or 3/4 in jambs
  • Spacers available for custom jamb thicknesses
  • Coils designed to saturate at 14 volts even with input over 14 volts
  • Elegant feel
  • Traditional operation - Pull out to turn on and push in to turn off
  • Dust protective enclosed construction
  • Easy to install
  • Lightweight and compact design to facilitate tighter switch placement
  • Can accommodate either positive or negative stop sense
  • Builds for either positive or negative coil common
  • A variety of color, felt, wood, and build options