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2222

 

Switchmode power supply

 

  • 230 or 115 VAC primary voltage
  • 24 VDC output voltage
  • Double isolation by 3.75 kVAC
  • 48 Watt output power, short circuit-protected
  • Thermal protection against overload
  1. Overview +

  2. Technical details +

  3. Accessories +


Advanced features

  • The power supply is based on primary switchmode technology to achieve a high efficiency.
  • An internally mounted potentiometer allows for a ±5% adjustment of the output voltage.

Application

  • General 24 VDC supply for equipment that requires a stabilised DC voltage.
  • Two units can be connected in series to achieve a plus / minus supply or a higher output voltage.
  • Separation of circuits in safety installations according to the PELV/SELV norm.
  • Galvanic isolation between the primary and the secondary voltage is achieved through the double-isolated safety transformer.

Technical characteristics

  • A green LED in the front of the module indicates an active primary voltage.
  • Input circuit protected with a thermal fuse.
  • DC output short circuit protection with current limiter.
  • Mounting for a standard 11-pole socket which can be adapted for DIN rail or plate use with PR’s 7023 adaptor and 7024 mounting keying.

Environmental Conditions

  • Operating temperature

    -20°C to +60°C

  • Relative humidity

    < 95% RH (non-cond.)

  • Protection degree

    IP30

Mechanical specifications

  • Dimensions (HxWxD)

    80.5 x 35.5 x 84.5 mm (D is without pins)

  • Weight approx.

    210 g

Common specifications

  • Supply

  • Fuse

    1 A SB / 250 VAC

  • Max. required power

    60 VA

  • Isolation voltage

  • Isolation voltage, test / working

    3.75 kVAC / 250 VAC

  • PELV/SELV

    IEC 61140

  • Effect of supply voltage change

    < 1% (±10%)

  • Efficiency

    ≥ 80%

  • Thermal overload protection

    100°C

  • Power derating

    1% / °Camb. (Tamb. > 40°C)

  • Transient stability (10%-max. load)

    < 500 mV

  • Temperature coefficient

    0.05% / °C

  • EMC immunity influence

    < ±0.5%

Input specifications

  • Supply voltage

    207...253 VAC

    102.4...132.2 VAC

  • Frequency

    50...60 Hz

Output specifications

  • Current output

  • Current limit

    Nom. 2.5 A (electronic)

  • Output voltage

    24 VDC

  • Adjustment

    ±5%

  • Output power

    48 W (max.)

  • Output current

    2 A / 24 VDC

  • Load effect, (0-max. load)

    < 1.5% / A

  • Output ripple

    ≤ 40 mVRMS (100 kHz)

Observed authority requirements

  • EMC

    2014/30/EU

  • LVD

    2014/35/EU

  • EAC

    TR-CU 020/2011

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