C-TEC 4815 P

Capacitor buffered Power Supply 

Type       :   C-TEC 4815 P
Art.-No.  :   NCPA1301G20001




Short description

The DC UPS of the C-TEC 4815 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 (49 to 38 V DC). The load is supplied by the buffermodul until the voltage is ≤ 38 V. The buffering time depends on the state of charge of the capacitor and discharging current. As further function the C-TEC 4815 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 voltage

48 V DC ±10 %

Min. nominal input voltage for charging mode44 V DC
Max. nominal input current

18 A DC

Max. charging current

3 A DC

Nominal output voltage (mains operation)

48 V DC ±10 %

Nominal output voltage (buffer operation)

49 V ... 38 V DC ± 2 %

Max. nominal output current

15 A DC


>90 %

Parallel connection


Series connectionNo
Energy content

1,2 kJ

Buffer time

25 sec @ 1 A / 0,6 sec @ 15 A

Degree of protection


Operating temperature

-40 ... 60 °C

Storage temperature

-40 ... 60 °C

Relative humidity

95 % non-condensing

Max. altitude (without derating)2000 m above sealevel
Dimensions (H x W x D)

123 mm x 65 mm x 145 mm


0,8 kg


Snap-on mounting for DIN top hat rail

or mounting bracket for mounting plate

Norms and Regulations

EN 50178 / EN 60950

EN 61000-6-4

EN 61000-6-2

EN 60068-2-6

EN 600068-2-27

UL approvals


For more details see datasheet.


File Format


Flyer C-TEC 4815 P-PDF
EPLAN Macro140703edz

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