J. Schneider AC C-TEC 1203-1
J. Schneider AC C-TEC 1203-1

J. Schneider AC C-TEC 1203-1

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J. Schneider AC C-TEC 1203-1 Capacity Buffered Power Supply. The buffered DC power supply of the AC C-TEC series includes ultra-capacitors as energy storage inside the housing. During normal operation, this capacitor is charged from AC mains. The connected DC consumers are supplied as well from AC mains. In case of an interruption of the AC supply, the energy of the ultra-capacitor is released and regulated. With a dc/dc converter, the load is supplied from the capacitor until it is discharged. The backup time depends on the state of charge of the capacitor and the discharge current.


The power supply has the following characteristics:

  • Maintenance-free  because of long-life ultra-capacitors
  • Mikrocontroller-based charging and discharging of the ultra-capacitors
  • Control of operation and status of charge with potential-free contacts and LED
  • A capacity extension is possible with external capacitor extension modules

J. Schneider AC C-TEC 1203-1 Technical Data

Nominal input voltage 115 … 230 V AC  ±15%
Min. nominal Input voltage for charging operation 97,8 V … 264,5 V AC
Nominal frequency 47 … 63 Hz
Max. nominal input current 0,84 A … 115 V AC
0,42 A … 230 V AC
Max. Inrush current 30 A / 2 ms
nominal Output current max. 3 A DC (at 0,94 kJ)
nominal Output current at max. energy 2 A DC (at 1 kJ)
Current limitation 1,05 … 1,5 x INenn
Nominal Output Voltage (in mains operation) 12,3 V DC ± 2 %
Output voltage range (in backup operation) 11,5 V DC ± 2 %
efficiency 88 % @ (Ue=230 V AC; Ua=24,3 V DC; Ia=INenn)
Energy 1 kJ
Protective system IP20 a. EN 60529
operational temperature -40 … 60 °C
storage temperature -40 … 60 °C
Relative humidity 95 % condensation is not permissible
Max. mounting height without load reduction 2000 m above sea level
Dimensions (H x W x D) 152,5 mm x 72 mm x 130mm
weight 0,85 kg
Fixation Snap-on mounting for DIN top-hat rail
or mounting bracket for mounting plate
Norms and regulations EN 50178
EN 60950
UL approval UL 508

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