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2240
 
 

2240

 

Transformer

 

  • Double-isolated transformer
  • 3.75 kVAC isolation voltage
  • 30 VA ring core transformer
  • Thermal overload protection
  • 12 or 24 VAC secondary voltage
  • Standard 11-pole relay socket
  1. Overview +

  2. Technical details +

  3. Accessories +


Advanced features

  • Two transformers may be paralleled for higher output power.

Application

  • Transformer for supply of components with 12 or 24 VAC supply voltage.
  • Transformer for stabilized DC power supplies, e.g. type 2229.

Technical characteristics

  • Standard primary input voltages of 115 or 230 VAC with special primary voltages to order.
  • Standard secondary voltages of 12 or 24 VAC with special secondary voltages to order.
  • Ring core transformer with separate 3.75 kVAC isolation voltage between primary and secondary windings.
  • Fitted with a thermal fuse.
  • The device is supplied with a retention clip for a safe attachment to the relay socket.
  • 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

    IP50

Mechanical specifications

  • Dimensions (HxWxD)

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

  • Weight approx.

    600 g

Common specifications

  • Isolation voltage

  • Isolation voltage, test / working

    3.75 kVAC / 250 VAC

  • PELV/SELV

    IEC 61140

  • Power derating

    Tamb. > 25°C, 0.4 VA/°C

  • EMC immunity influence

    < ±0.5% of span

Input specifications

  • Primary voltage

    207...253 VAC

    97.75...132.25 VAC

  • Frequency

    50...60 Hz

Output specifications

  • Secondary voltage (loaded)

    24 VAC / 1.25 A

    12 VAC / 2.50 A

  • Secondary voltage (unloaded)

    28 VAC

    14 VAC

  • of span

    = of the presently selected range

Observed authority requirements

  • EMC

    2014/30/EU

  • EAC

    TR-CU 020/2011

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