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Technical Data Sheet <br />SP-KSM—3-Position Key Switch (Momentary) By Draper <br /> USES: The SP-KSM replaces the standard 3-position key switch (KS-3) where a momentary <br /> (spring-loaded) action is required. It combines the directional functions (Up and Down) <br /> with the security of a key switch. It can be used as a single- or multiple-station control. <br /> COMPATIBILITY*: SP-KSM can be used in multiples, for either high- or low-voltage systems. <br /> LVC-IV (low voltage module) can be triggered by SP-KSM (stop doesn’t work). <br /> LVC-S (low voltage switch) can be used in conjunction with SP-KSM. <br /> ILT Motor with Built-in Low Voltage Controller (stop doesn’t work). <br /> KS-1 Power Supply Key Switch. <br /> CONTACTS: Two cam-operated Single-Pole, Single-Throw contact blocks (On-Off), wired to emulate <br /> Single-Pole, Double-Throw, Center Off (On-Off-On). Momentary action. <br /> RATING: 600 Volts, UL recognized, CSA recognized. <br /> DESCRIPTION: 3-position key operator, momentary action. <br /> Cover plate is stainless steel. <br /> Four 6" wire leads: black, black, red and blue (2 commons, down and up). <br /> 2¾" x 4½" cover plate fits a single-gang box. <br /> PART NUMBER: 121022. <br /> ILLUSTRATION: <br /> <br /> <br />Copyright ©2015 Draper Inc. Form SP-KSM_TechDataSheet5 Printed in U.S.A. <br />2¾" <br />4½" <br />211/16" <br />19/16" <br />1¾" <br />Red - DownBlack - ComBlack - ComBlue - Up <br />UP DOWNOFF