Isolation Amplifier TR225

can be shipped within ca. 14 days

Price without VAT or delivery
Delivery weight: 450 g

  • Isolating amplifier for implementation on standard signals
  • Galvanic isolation between input, output and power supply
  • Input-signals 0...1V, 0...10V , 0/4...20 mA
  • 0...10V output voltage, short circuit proof, max. 5 mA
  • 0/4...20 mA current output
  • About 18 Vdc unregulated supply voltage, max. 25 mA
  • Supply voltage 230 Vac/115 Vac
  • Plastic housing for mounting on a 35 mm standard mounting DIN-rail according to EN 50022 


Serves for physically isolation and synchronous amplification or transducing of electrical standard signals. Incorporated supply voltage for supply of a two-wire measuring transmitter. Output signals are both a voltage 0...10 V and a current signal 0/4...20 mA.

Both output signals are related to their common negative pole.



Input: 0...1 V, 0...10 V, 0/4...20 mA
Supply voltage: approx. 18 Vdc, non-stabilized, max. 25 mA
Voltage output: 0...10 V, short-circuit proof, max. 5 mA
Current output: 0/4...20 mA, max. burden 500 Ω
Physically isolation: between input-output-line voltag max. seperation voltage 230 Vac, test voltage 4 kV, 50 Hz
Test sockets: 2 mm ø diameter for measuring the output current, internal resistance of ammeter max. 10 Ω
Voltage output: diameter max. 10 Ω
Current output: 0...10 V, circuit protection, max. 5 mA
Max. output current: 0/4...20 mA, max. burden 600 Ω approx. 25 mA at control over or sensor break, display by red LED
Supply voltage: 230 Vac/115 Vac
Power consumption: approx. 1,5 VA
Case: greay nylon, for mounting on 35 mm standard mounting rail according to EN 50022
Dimensions: 22.5 x 99 x 110 mm (w × h × d)
Connections: screw terminals up to 2,5 mm²
Protection class: IP 20 according EN 60529
Display: operation green, control over red
Ambient temperature: 0...50 °C
Rel. humidity: 0...85 %, no condensation
Weight: approx. 160 g
EMC: tested according EN 61000-6-2, EN 61000-6-3, CE mark
Accuracy: ± 0,2 %
Temperature drift: ± 0,2 % / 10 K


Additional product information

manual Download
data sheet Download


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Supply voltage
41.00 € *
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