This manual introduces the safe use, installation and operation of the ITR040182040 and ITR040362040 isolation transformers
This user manual provides safety instructions, installation steps, wiring diagrams, and adjustment procedures for the Victron Energy ITRO40182040 (1800 W) and ITRO40362040 (3600 W) isolation transformers. It covers required clearances, cable sizing, grounding, and jumper settings for both 115/230 V configurations.
The document also details operation features such as the thermal circuit breaker, temperature‑controlled fan, and inrush current limiter, and lists the technical specifications including voltage, frequency, ratings, dimensions, and environmental limits.
| Input and output voltage | 115 / 230 V |
|---|---|
| Frequency | 50/60 Hz |
| Current rating (1800 W model) | 16 A / 8 A |
| Soft start | Yes |
| Ambient temperature range | -20 °C to 40 °C |
| Maximum humidity | 95 % non‑condensing |
| Transformer type | Toroidal (low noise, low weight) |
| Enclosure material | Aluminium |
| Input thermal circuit breaker | Yes |
| Protection category | IP21 |
| Safety standard | EN 60076 |
| Weight (1800 W model) | 10 kg |
| Dimensions (1800 W model) | 375 × 214 × 110 mm |
A clear space of 10 cm should be kept around the product for ventilation.
The transformer is equipped with an automatic thermal circuit breaker that trips on overload or short‑circuit.
For 115/120 V input and output, use the jumper configuration shown in Figure 3 (connect J24, J34, etc.).