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E72TT2 — Three-phase 400 V → 400 V for IT networks
Three-phase 400 V → 400 V for IT networks. This family is designed for galvanic isolation and circuit separation in a three-phase configuration.
Electrical configuration: input 400 V, output 400 V, range 1 a 500 kVA. Final selection should consider actual installation and protection conditions.
Technical data
Input voltage
400 V
400 V
Output voltage
400 V
400 V
Frequency
50/60 Hz
50/60 Hz
Thermal class
<40 kVA: F (140ºC) / Ta=40ºC - ≥40 kVA: H (165ºC) / Ta=40ºC
<40 kVA: F (140ºC) / Ta=40ºC - ≥40 kVA: H (165ºC) / Ta=40ºC
Degree of protection
IP-23
IP-23
Cooling
AN
AN
Protection against electric shock
Class II
Class II
Test voltage
4,5 KV
4,5 KV
Vector group
YNyn0
YNyn0
Relevant parameters
Not applicable
Not applicable
Application
Galvanic isolation and circuit separation
Three-phase 400 V → 400 V for IT networks. This family is designed for galvanic isolation and circuit separation in a three-phase configuration.
Electrical configuration: input 400 V, output 400 V, range 1 a 500 kVA. Final selection should consider actual installation and protection conditions.
References and dimensions
| Reference | Power | Input voltage | Output voltage | A × B × C | Weight |
|---|---|---|---|---|---|
| 310E72TT2 | 1 kVA | 400 V | 400 V | 287 × 226 × 340 mm | 15 kg |
| 315E72TT2 | 6 kVA | 400 V | 400 V | 287 × 226 × 340 mm | 18 kg |
| 320E72TT2 | 2 kVA | 400 V | 400 V | 287 × 226 × 340 mm | 20 kg |
| 325E72TT2 | 5 kVA | 400 V | 400 V | 287 × 226 × 340 mm | 27 kg |
| 330E72TT2 | 15 kVA | 400 V | 400 V | 345 × 310 × 377 mm | 30 kg |
| 340E72TT2 | 4 kVA | 400 V | 400 V | 345 × 310 × 377 mm | 35 kg |
| 350E72TT2 | 5 kVA | 400 V | 400 V | 345 × 310 × 377 mm | 44 kg |
| 363E72TT2 | 6.3 kVA | 400 V | 400 V | 406 × 310 × 460 mm | 51 kg |
| 380E72TT2 | 8 kVA | 400 V | 400 V | 406 × 310 × 460 mm | 57 kg |
| 410E72TT2 | 10 kVA | 400 V | 400 V | 477 × 390 × 500 mm | 77 kg |
| 413E72TT2 | 13 kVA | 400 V | 400 V | 477 × 390 × 500 mm | 85 kg |
| 416E72TT2 | 16 kVA | 400 V | 400 V | 575 × 460 × 606 mm | 114 kg |
| 420E72TT2 | 20 kVA | 400 V | 400 V | 575 × 460 × 606 mm | 130 kg |
| 425E72TT2 | 25 kVA | 400 V | 400 V | 575 × 460 × 606 mm | 161 kg |
| 431E72TT2 | 31.5 kVA | 400 V | 400 V | 575 × 460 × 606 mm | 183 kg |
| 440E72TT2 | 40 kVA | 400 V | 400 V | 727 × 600 × 810 mm | 230 kg |
| 450E72TT2 | 50 kVA | 400 V | 400 V | 727 × 600 × 810 mm | 254 kg |
| 463E72TT2 | 63 kVA | 400 V | 400 V | 727 × 600 × 810 mm | 315 kg |
| 480E72TT2 | 80 kVA | 400 V | 400 V | 810 × 780 × 1105 mm | 415 kg |
| 510E72TT2 | 100 kVA | 400 V | 400 V | 810 × 780 × 1105 mm | 475 kg |
| 513E72TT2 | 130 kVA | 400 V | 400 V | 1110 × 980 × 1240 mm | 615 kg |
| 516E72TT2 | 160 kVA | 400 V | 400 V | 1110 × 980 × 1240 mm | 715 kg |
| 520E72TT2 | 200 kVA | 400 V | 400 V | 1110 × 980 × 1240 mm | 800 kg |
| 525E72TT2 | 250 kVA | 400 V | 400 V | 1304 × 980 × 1420 mm | 990 kg |
| 531E72TT2 | 315 kVA | 400 V | 400 V | 1304 × 980 × 1420 mm | 1150 kg |
| 540E72TT2 | 400 kVA | 400 V | 400 V | 1304 × 980 × 1620 mm | 1465 kg |
| 550E72TT2 | 500 kVA | 400 V | 400 V | 1304 × 980 × 1620 mm | 1550 kg |
Dimension reference
Dimensions A, B, C, d and e in the table correspond to those shown in this image.

