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Three-phase transformers

Decades of expertise for high-performance transformers

Our three-phase transformers satisfy all current standards and regulations. Three-phase transformers from ISMET supply all three-phase electrical applications in energy technology, industry and skilled trades reliable with the necessary stable voltage and output. ISMET offers all standard categories, shapes and sizes of three-phase transformers. Three-phase transformers up to 30 kVA are available with short delivery times; the largest three-phase transformers from our assortment achieve an output range of up to 5 MVA.

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DAWN-G

Three-phase power transformer according to DIN EN 61558, VDE 0570, part 2-1 or three-phase isolating transformer according to DIN EN 61558, VDE 0570, part 2-4 or three-phase safety transformer according to DIN EN 61558, VDE 0570, part 2-6 or three-phase transformer according to DIN EN 60076, VDE 0532. UL approved. Connection to terminals or Cu rails, sheet steel casing, prepared for safety class I, ta 40°C, type of enclosure IP 23, 50/60 Hz, dip impregnation.

P: 0,16 - 30,0 kVAUPRI: 400 VUSEC: 230 - 400 V

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* Further versions on request, e.g.: - additional taps or windings - fuses - safety class II - with cage clamps - with power switch - higher type of enclosure up to IP 55 - higher output - autotransformer * Test voltage primary-secondary min. 3000 V. * Safety transformer < 50 V, isolating transformer > 50 V * Also available as autotransformer or one-coil transformer with UL authorization * Other casing color available on request

Variants overview

Output Article number Measurements Weight
Rated capacity Rated capacity UL PRI 400 V
SEC 230 V 		PRI 400 V
SEC 400 V 		a x b x c / L x B x HCU kgGes. kg
VDE class B/F kVAUL class A kVA
0.160.14 230 x 173 x 12906
0.250.22 270 x 225 x 16118
0.40.35 270 x 225 x 161110
0.630.55 284 x 245 x 325214
0.630.55 284 x 245 x 325218
10.87 284 x 245 x 325319
1.61.4 284 x 245 x 325621
2.51.9 436 x 345 x 4501035
3.22.4 436 x 345 x 4501141
43 436 x 345 x 4501239
43 436 x 345 x 4501347
53.7 436 x 345 x 4501357
6.34.7 436 x 345 x 4502468
6.34.7 436 x 345 x 4502472
86 436 x 345 x 4502491
86 436 x 345 x 4502681
107.5 650 x 470 x 61019110
107.5 650 x 470 x 61028106
139 650 x 470 x 61021114
139 650 x 470 x 61029130
1610.5 650 x 470 x 61031150
1610.5 650 x 470 x 61043150
2012.5 650 x 470 x 61058148
2012.5 650 x 470 x 61058163
2514 650 x 470 x 61048182
2514 650 x 470 x 61066195
3017.5 650 x 470 x 61049230
3017.5 650 x 470 x 61071230
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Three-phase matching transformers

Three-phase matching transformers in accordance with DIN EN 60076 and VDE 0532 with selectable input and output voltage are required, for example, to operate machine tools, machining centres and insertion machines and adapt the available mains voltage to the supply voltage of the machine. ISMET provides three-phase matching transformers with a variety of equipment and in a wide range of sizes with a rated output of up to 1 MVA.

Three-phase multi-output transformers

Three-phase multi output transformers in accordance with DIN EN 61558, VDE 0570 (part 2-13) with common input and output winding and windings that are not galvanically isolated enable variable tapping of the coil with connection terminals in order to provide several different voltage levels with a three-phase multi-output transformer.

Three-phase mains transformers

Three-phase mains transformers in accordance with VDE (part 2-1) are designed for save voltage supply of machinery, plants and devices with 400 V and are offered by ISMET with rated outputs of up to 30 kVA in variants with and without a housing. Conversion from 400 V to 230 V is also possible.

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