Enclosed model 3PUK 23 1,0-100kVA

These transformers are designed for temperature class F or H to minimise size and weight. The safety transformer structure uses class H insulation materials and an air-channel design, enabling very efficient cooling when forced air circulation can be arranged for the equipment.

With this structure, chokes can also be implemented for various applications. The product is technically the same as type PU, except for the protective enclosure, which is an IP23-compliant steel sheet enclosure—standard colour RAL 7035.

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TECHNICAL INFORMATION

JVoltages	Enintään 1000 V
Power	1…100 kVA
Frequency	50/60 Hz, other frequencies on special order
Enclosure class	IP23, IP33 tai IP44*
Operating environment temperature range	-30…+40°C
Standards	IEC 61558-2, IEC 60076
*transformer package size larger than with IP23 enclosure

Product version

S (kva)	type	enclosure	a (mm)	b (mm)	C (mm)	D (mm)	h (mm)	Ø [mm]	m [kg]
1.0	3UI 114/40	3PUK23 114-150	380	412	340	173	392	12x18	25
1.6	3UI 114/64	3PUK23 114-150	380	412	340	173	392	12x18	29
2.0	3UI 114/64	3PUK23 114-150	380	412	340	173	392	12x18	30
2.5	3UI 132/46	3PUK23 114-150	380	412	340	190	392	12x18	31
3.0	3UI 132/72	3PUK23 114-150	380	412	340	190	392	12x18	40
4.0	3UI 150/52	3PUK23 114-150	380	412	340	220	392	12x18	41
4.5	3UI 150/65	3PUK23 114-150	380	412	340	220	392	12x18	45
5.0	3UI 150/77	3PUK23 114-150	380	412	340	220	392	12x18	51
6.0	3UI 150/92	3PUK23 114-150	380	412	340	220	392	12x18	58
6.3	3UI 180/63	3PUK23 180-210	440	535	400	264	522	12x18	69
8.0	3UI 180/78	3PUK23 180-210	440	535	400	264	522	12x18	81
10.0	3UI 180/78	3PUK23 180-210	440	535	400	264	522	12x18	86
12.5	3UI 210/73	3PUK23 180-210	440	535	400	316	522	12x18	99
16.0	3UI 210/73	3PUK23 180-210	440	535	400	316	522	12x18	114
20.0	3UI 210/103	3PUK23 180-210	440	535	400	316	522	12x18	126
25.0	3UI 240/83	3PUK23 240-270	490	709	450	356	682	12x18	149
31.5	3UI 240/110	3PUK23 240-270	490	709	450	356	682	12x18	169
40.0	3UI 270/120	3PUK23 240-270	490	709	450	350	682	12x18	203
50.0	3UI 270/150	3PUK23 240-270	490	709	450	350	682	12x18	233
63.0	3UI 270/150	3PUK23 240-270	490	709	450	350	682	12x18	233
80.0	3UI 370/140	3PUK 300-370	1000	883	960	290	797	12x18	341
100.0	3UI 370/180	3PUK 300-370	1000	883	960	290	797	12x18	411

Technical drawings

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