C-TEC 2440-4 P

Capacitor buffered Power Supply 

Type       :   C-TEC 2440-4 P
Art.-No.  :   NCPA1034G01001


Short description

The DC UPS of the C-TEC 2440 P series is equipped with integrated ultracapacitors for accumulating energy. During normal operation this capacitor is charged by an internal charger which is supplied by an external, regulated DC power supply. If the DC supply is interrupted, energy of the ultracapacitors is released in a unregulated process (24,5 to 19 V DC). The load is supplied by the buffermodul until the voltage is ≤ 19 V. The buffering time depends on the state of charge of the capacitor and discharging current. As further function the C-TEC 2440 P can provide more current for a certain time.


The DC-UPS shows the following features:

  • Maintenance-free due to durable ultra capacitors
  • reduces wiring time due to intergrated energy storage
  • Microcontroller based charging and discharging of the ultracapacitors
  • Input voltage-signal via potential-free contact and LED
  • Short overload possible
  • Vibration secured wiring via spring loaded plugs
  • Wide working temperature range -40°C till 60°C

Technical Data

Nominal input voltage24 V DC ± 10 %
Min. nominal input voltage for charging mode

23 V

Max. nominal input current

40  A

Max. charging current

6,8 A

Nominal output voltage (mains operation)

24 V DC ± 10 %

Nominal output voltage (buffer operation)

19 ... 25,5 V

Max. nominal output current40 A DC

>90 %

Parallel connection


Series connectionNo
Energy content4 kJ
Buffer time

3,6 sec @ 40 A

Degree of protection


Operating temperature

-40 ... 60 °C

Storage temperature

-40 … 70 °C

Relative humidity95 % non-condensing
Max. altitude (without derating)2000 m above sealevel
Dimensions (H x W x D)

193 mm x 84 mm x 198mm


3,4 kg


Snap-on mounting for DIN top hat rail

Norms and Regulations

EN 50178

EN 60950

UL approvals

UL 508


For more details see datasheet.


File Format


Quickstart C-TEC 2440P-PDF
Quickstart C-TEC 24409 + CEM 2416-PDF
3D Model-STP
EPLAN Macro140703edz

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