AD-TW 21 GVD, AD-TW 25 GVD

Description

The passive AC current separation transducer serve the conversion of AC currents of magnitudes 0-1 A AC or 0-5 A AC in an impressed DC current of 0-20 mA. The galvanically separated output signal is, up to a maximum value, independent of the connected burden. The separation transducer does not require an auxiliary energy, the necessary energy is gained from the measuring signal.

AD-TW 21 GVD, AD-TW 25 GVD

Application

Remote transmission of current transducer signals, galvanic separation and coupling to systems with 0-20 mA inputs.

Specific characteristics

  • for 1 A AC or 5 A AC current transducer signals
  • galvanically separated output 0-20 mA
  • no auxiliary energy required
  • connection terminals can be pulled off

Business data

Order number
AD-TW 21 GVD Input 0 ... 1 A AC
AD-TW 25 GVD Input 0 ... 5 A AC
Identifiers
Customs tariff number / country of origin 8543 70 90 / Deutschland

Information

Technical specifications

Input current
AD-TW 21 GVD 0 ... 1 A AC (50Hz Sinus)
AD-TW 25 GVD 0 ... 5 A AC (50Hz Sinus)
Output current
Max. output range 0 ... 20 mA
Max. burden 400 Ohm
Load influence -0,12% / 100 Ohm
Transmission behaviour
Basic accuracy < 0,3 % of full scale
Temperature influence < 30 ppm/K
Response time < 0,5s (0 ... 90 %)
Supply
Passive, no power supply required!
Self-consumption via input signal ~ 1,6 VA
Housing
Manner of fastening DIN rail 35mm (EN 50022)
Type of protection IP 20
Connector cross section Max. 2,5 mm²
Weight ~ 285 g
Environmental conditions
Ambient temperature -10 ... 50 °C
Storage and transport -10 ... 70 °C (no condensation)
EMC
Product family standard 2) EN 61326-1
Emitted interference EN 55011, CISPR11 Cl. B, Gr. 1
2) During electromagnetic disturbance minor changes in output signal are possible.
Electrical safety requirements
Product family standard EN 61010-1
Overvoltage category II
Pollution degree 2
Galvanic isolation, test voltages
Signal/auxiliary voltage 2 kV (1 min)
Protective systems
Input/output Over voltage and over current

Block and wiring diagram

AD-TW 21 GVD, AD-TW 25 GVD

Dimensions

AD-TW 21 GVD, AD-TW 25 GVD

CAD / CAE Daten

CAD model is not yet available for this product.

The CAD product overview can be found at: adamczewski.partcommunity.com

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