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C9U28120

The Schneider Electric C9U28120 is an iHP time delay relay from the Acti 9 range . It is a modular device designed to provide time delay functions in electrical installations, particularly for staircase lighting control and other timing applications .

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Technical Specifications (Parameters) Parameter English Value Product Type Time delay relay (iHP) Range / Series Acti 9 / iHP Number of Poles 1P (1 pole) Number of Contacts 1 CO (1 changeover contact) Rated Current [In] 16 A Coil / Supply Voltage 230 V AC 50/60 Hz Time Delay Range 1 ... 20 minutes (adjustable) Time Delay Type Off-delay (staircase lighting function) Rated Operational Voltage [Ue] 250 V AC 50/60 Hz Function Staircase lighting timer with automatic shut-off Control Type Pushbutton (remote) Adjustment Type Front rotary dial Number of Modules 1 (18 mm) Mounting Mode DIN rail (35 mm) Degree of Protection IP20 (device only) Connection - Terminals Screw terminals Width 18 mm Operating Temperature -5 ... 40 °C Standards IEC 60669-2-3, EN 60669-2-3