
®
USES: The KS-3 replaces the standard single-station control switch for all products
(screens, shades or projector lifts) where the directional functions (Up and Down)
need to be combined with the security of a key switch.
COMPATIBILITY: KS-1 Power Supply Key Switch.
The KS-3 is intended as the sole control station, and cannot be used as a multiple
station control. It can, however, be used with the KS-1 power supply key switch,
although having two key switches is redundant.
It is not intended for use with any other control.
CONTACTS: Two cam-operated Single-Pole, Single-Throw contact blocks (On-Off), wired to
emulate Single-Pole, Double-Throw, Center Off (On-Off-On). Maintained action.
RATING: 600 Volts, UL recognized, CSA recognized.
DESCRIPTION: 3-position key operator.
Cover plate is stainless steel.
Four 6" wire leads: black, black, red and blue (2 commons, down and up).
2¾" x 4½" cover plate fi ts a single-gang box.
ILLUSTRATION:
KS-3
3-Position Key Switch
Technical Data Sheet
ISSUED: December 2009
Printed in the U.S.A. Copyright ©2008 Draper, Inc. Form KS-3_TechDataSheet08
Part Numbers:
121018—Maintained
121022—Momentary
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