Ifm – AC1257

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AS-Interface power supply; Operating voltage tolerance [%] : 25…35; Nominal voltage DC [V] : 24; Input voltage DC [V] : 24; Protection class : III; Overvoltage protection : yes; (< 36 V); Max. power-on delay time [ms] : 650; Output voltage AS-i [V] : 30.5; Output power (permanent) [W] : 122; Output power (peak) [W] : 134; Note on output power (peak) : briefly to load bus capacities after power on; Power reserve [%] : 10; Number of output circuits : 1; Output current AS-i [A] : 4; Max. residual ripple [mV] : 50; Switch-on peak current (nominal voltage 24 V DC) [A] : 2; Inrush current limitation : yes; Efficiency (nominal voltage 24 V DC) [%] : 90.5; External input protection : ≤ B-10 A / ≤ C-8 A; Derating [W/K] : 3 (60…70 °C); Mains buffering time (nominal voltage 24 V DC) [ms] : 6; Input current (nominal voltage 24 V DC) [A] : 5.5; Power loss (nominal voltage 24 V DC) [W] : 12.7; Integrated data decoupling : yes; Back feeding protection [V] : 35; Short-circuit proof : yes; Overload protection : yes; Overload performance : output current constant; Parallel connection of outputs possible : no; Series connection of outputs possible : no; Ambient temperature [°C] : -25…70; Note on ambient temperature : observe the free space for convection (see operating instructions); Storage temperature [°C] : -40…85; Max. relative air humidity [%] : 95; (IEC 60068-2-30); Degree of soiling : 2; (IEC 62103: conductive soiling not permitted); Type of mounting : rail; (TH35 (EN 60715)); Materials : steel sheet
Connectionscrew terminals:
No. of inputs/outputsNumber of digital inputs: 2
Current consumption< 400; (5 V: 300 mA; 3,3 V: 100 mA) mA
Voltage supply20...30 V
DisplayAS-i voltage: LED, green
Degree of protectionIP 20
Weight621 g
Dimensions124 x 40 x 120 mm

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IFM AC1257 Datasheet PDF
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