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2220
 
 

2220

 

Switchmode power supply

 

  • Mains voltage input
  • Isolation 3.75 kVAC
  • Short-circuit protection
  • Thermal overload protection
  • Standard 11-pole relay socket
  1. Overview +

  2. Technical details +

  3. Accessories +


Advanced features

  • The power supply is based on secondary switchmode technology to achieve a high efficiency.
  • The output is adjustable from front potentiometer in the range 5...24 VDC.

Application

  • General power supply for smaller measurement systems requiring fixed stabilized 24 VDC, or supply for any other sensors, transmitters or as a general variable power supply 5 to 24 VDC.
  • Two units may be connected in series for plus / minus or higher output voltage.
  • Suitable for PELV/SELV applications.

Technical characteristics

  • A green LED indicates active output.
  • Double-isolated safety transformer.
  • Isolation test voltage between input and output is 3.75 kVAC.
  • The input circuit is protected with a thermal fuse.
  • Output short circuit protection with current limiter.

Environmental Conditions

  • Operating temperature

    -20°C to +60°C

  • Relative humidity

    < 95% RH (non-cond.)

  • Protection degree

    IP50

Mechanical specifications

  • Dimensions (HxWxD)

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

  • Weight approx.

    425 g

Common specifications

  • Supply

  • Internal power dissipation

    4 W

  • Isolation voltage

  • Isolation voltage, test / working

    3.75 kVAC / 250 VAC

  • PELV/SELV

    IEC 61140

  • Transformer

    EN 60742

  • Effect of supply voltage change

    < ±30 mV (±10%)

  • Transient stability (10%-max. load)

    < 250 mV

  • Temperature coefficient

    0.05% / °C

  • EMC immunity influence

    < ±0.5%

Input specifications

  • Input voltage (AC)

    21.6...26.4 VAC

    99...121 VAC

    108...132 VAC

    207...253 VAC

  • Frequency

    50...60 Hz

Output specifications

  • Current output

  • Current limit

    Typ. 2.2 A (short circuit)

  • Output voltage

    4.75...25.2 VDC

  • Output power

    Max. 7 W

  • Output current

    1 A / 5 VDC

    0.55 A / 12 VDC

    0.45 A / 15 VDC

    0.3 A / 24 VDC

  • 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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