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2223
 
 

2223

 

Dual switchmode power supply

 

  • 24 / 115 / 230 VAC supply voltage
  • 3.75 kVAC isolation
  • 2 adjustable 5...24 VDC outputs
  • Output: ±5...24 VDC, 10...48 VDC
  • Short-circuit protection
  • Thermal protection against overload
  1. Overview +

  2. Technical details +

  3. Accessories +


Advanced features

  • The power supply is based on switch mode technology to achieve a high efficiency.
  • The outputs are adjustable by 2 front potentiometers in the ranges 5...24 VDC.

Application

  • Supply for small measuring systems that demand 2 stabilized voltages.
  • Either as a combination of positive and negative voltages, or as 2 separate supplies as required.
  • The two supplies are galvanically separated with 500 VAC test voltage and can be connected in series or used as two independent supplies with or without common gnd. 
  • Separation of circuits in safety installations according to PELV/SELV.
  • Galvanic isolation between the primary and the secondary voltage is achieved through the double-isolated safety transformer.

Technical characteristics

  • Two green LEDs, Power ON 1 and Power ON 2, indicate active outputs.
  • By connecting the two outputs in series, 10...48 VDC or ±5...24 VDC can be achieved.
  • The input circuit is protected with a bimetal 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.

    400 g

Common specifications

  • Supply

  • Internal power dissipation

    4 W

  • Isolation voltage

  • Isolation voltage, test / working

    3.75 kVAC / 250 VAC

  • Isolation output 1 / 2, test / working

    500 VAC / 50 VAC (75 VDC)

  • PELV/SELV

    IEC 61140

  • Effect of supply voltage change

    < ±30 mV (±10%)

  • Transformer

    EN 60742

  • Transient stability (10%-max. load)

    < 250 mV

  • Temperature coefficient

    0.05% / °C

  • EMC immunity influence

    < ±0.5%

Input specifications

  • Supply voltage

    21.6...26.4 VAC

    103.5...126.5 VAC

    207...253 VAC

  • Frequency

    50...60 Hz

Output specifications

  • Current output

  • Current limit

    Typ. 100 mA (short circuit)

  • Output voltage

    4.75...25.2 VDC

  • Output power

    Max. 7.5 W (total)

  • Output current, per channel

    0.5 A / 5 VDC (2.5 W)

    0.37 A / 12 VDC (4.5 W)

    0.30 A / 15 VDC (4.5 W)

    0.18 A / 24 VDC (4.3 W)

  • Load effect (10%-max. load)

    < 1.5% / A

  • Output ripple

    < 20 mVRMS

Observed authority requirements

  • EMC

    2014/30/EU

  • LVD

    2014/35/EU

  • EAC

    TR-CU 020/2011

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