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Family Isolating Three-Phase
Transformers
TTI/500 Family
- Isolating transformers built according to
standards IEC 61558-1 and IEC 61558-2-4
(CEI 96.2); max. power 40 KVA
- Single voltage input max. 1000V
- Single voltage output max. 1000V
- Class F insulating materials
- Ambient temperature max. 35 °C
- Input/output connectors on terminal block rails
or boards with brass screws
- Polycarbonate protection with board and brass
screws, against accidental contacts in
assembling
| Reference Number |
Rated Output |
Dimensions |
Drillings |
Dissipated Power
(W) |
Efficiency
(%) |
Weight Kg |
Fig. |
| L |
P |
H |
A |
B |
G |
F |
| TTI/501 |
160 VA |
140 |
90 |
135 |
125 |
53 |
14 |
7 |
19 |
88,2 |
5,2 |
3/5 |
| TTI/502 |
250 VA |
180 |
90 |
160 |
150 |
66 |
18 |
7 |
26 |
89,6 |
6,5 |
3/5 |
| TTI/503 |
400 VA |
180 |
110 |
160 |
150 |
86 |
18 |
7 |
36 |
91 |
9,5 |
3/5 |
| TTI/504 |
630 VA |
180 |
120 |
160 |
150 |
96 |
18 |
7 |
48 |
62,4 |
12 |
3/5 |
| TTI/505 |
1000 VA |
240 |
130 |
210 |
200 |
96 |
18 |
7 |
73 |
92,7 |
18 |
3/5 |
| TTI/506 |
1600 VA |
240 |
155 |
210 |
200 |
121 |
18 |
7 |
101 |
93,6 |
26 |
3/5 |
| TTI/507 |
2500 VA |
300 |
144 |
260 |
250 |
124 |
24 |
9 |
143 |
94,3 |
34,3 |
3/5 |
| TTI/508 |
4 kVA |
360 |
160 |
310 |
325 |
126 |
24 |
9 |
176 |
95,6 |
46,3 |
4/5 |
| TTI/509 |
6,3 kVA |
360 |
170 |
310 |
325 |
136 |
24 |
9 |
233 |
96,3 |
56,9 |
4/5 |
| TTI/510 |
10 kVA |
360 |
180 |
310 |
325 |
146 |
24 |
9 |
309 |
96,9 |
74,5 |
4/5 |
| TTI/511 |
16 kVA |
420 |
200 |
360 |
375 |
164 |
30 |
10 |
450 |
97,2 |
105 |
4/5 |
| TTI/512 |
25 kVA |
480 |
232 |
410 |
440 |
190 |
30 |
12 |
650 |
97,4 |
152 |
4/5 |
| TTI/513 |
40 kVA |
540 |
290 |
460 |
480 |
244 |
30 |
12 |
915 |
97,7 |
216 |
4/5 |
 |
The TTI/500 transformers are built according to the CE standards CEI 96-2 and international standards IEC 61558.
The power range of this family reaches up to 40KVA, where both the single-voltage input and output go up to 1000V. If multi-voltage inputs and outputs are needed, please state it at the moment of ordering.
Isolating transformers are usually used for installations or appliances, where it is necessary or advisable to create a galvanic separation between the load and the mains supply. This way a totally isolated line is created. It is important to keep in mind to connect all of the equipment masses.
Besides creating an electric isolation, isolating transformers are also useful for single-phase equipment, where there is need for the isolation of a line from the mains supply, with 4 wires (3 + neutral), with reference to earth (neutral connected to earth). Please state when ordering if there are heavy unbalanced loads, as it is advisable to create the most suitable type of output connection.
With all power supply, safety and isolating transformers, it is possible to include a copper shield between input and output, connected to earth. This will add extra safety against isolating material breakdown and oblige the current to flow from the shield towards earth.
An another important use, is the filtering function, as the shield eliminates stray capacitances between input and output.
This shield is not indispensable, as not required by standards, but can be supplied upon client’s request.
If a full lab test is required for any particular model, please state it at the moment of ordering.
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