Transcription of 3SB1 Enclosed Pushbutton Units and Indicator …
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9/110 Siemens NS K 2000A Upper part of enclosureB Inscription platesC ActuatorsSuitable for use with standard actuators and lens assemblies. The sealing rings should be changed when the Units are self-assembled. A blank plug can be fitted in place of an Yellow backing plate acc. toDIN 57 113/VDE 0113. To be used only in conjunction with EMERGENCY STOP actuators. Backing plates are fitted in the factory at A .EDriverFor operating base-mounted contact blocks, located in positions numbered 4 and Terminal designationG Contact blocks, lampholder, volt-age reducer for base mounting. Up to 3 contact blocks can be used per control point. The first and last control points can be fitted with a maximum of 4 contact blocks each; enclosures with only one control point can be fitted with a maximum of 5 contact blocks. The 4th and 5th contact blocks must be ordered separately and retrofitted.
Siemens NS K · 2000 9/111 For inscription plates, see page 9/114. Yellow backing plates for enclosures with 2, 3, 4 or 6 con-trol points can be ordered
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