JIADEST / Three-phase Power Conversion Transformers

Three-Phase Power Conversion Transformers

Manufacturer’s series: USG

Power transformers for three-phase UPS, EPS, regulated power supplies, frequency-conversion power supplies, inverters and rectifiers.

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Three-Phase Power Conversion Transformers product photograph — Open reference photograph ↗
Product reference photograph. Refer to the technical tables and drawings for each configuration.

Construction and performance

Purpose-designed through application-specific development and testing. Uses high-flux electrical steel supplied by the original steel producer, high-strength temperature-resistant magnet wire, imported special high-temperature long-life insulation and inspection equipment.

Brochure states 100% applicability and factory pass rate, and customer satisfaction above 95%; these are brochure claims, not independent test results. It describes compact dimensions, low noise, attractive appearance, high-temperature resistance and strong natural heat dissipation.

Technical specifications.

Parameter	Published specification
Input voltage	AC 15–1140 V
Output voltage	AC 100–1140 V
Frequency (printed under rated power)	50/60 Hz
Power range	1–315 kW
Cooling	Natural air cooling or forced air cooling
Ambient temperature	−5 to +40°C
Dielectric strength	2500 V/min
Insulation class	B/F/H

Models & configurations.

Designations are retained as published. Separate rows or variants with the same designation remain distinct in the relevant tables.

USG-3.5kVA270 ±2 · 180 ±5 · 145 ±5 · 110 ±5 · 75 ±2 · 10 ±2 · 18 ±1 · 210 ±5 · 300×250×250
USG-4.0kVA270 ±2 · 180 ±5 · 150 ±5 · 115 ±5 · 80 ±2 · 10 ±2 · 18 ±1 · 210 ±5 · 300×260×250
USG-5.5kVA300 ±2 · 200 ±5 · 165 ±5 · 125 ±5 · 85 ±2 · 10 ±2 · 25 ±1 · 230 ±5 · 330×280×270
USG-6.0kVA300 ±2 · 200 ±5 · 170 ±5 · 130 ±5 · 90 ±2 · 10 ±2 · 25 ±1 · 230 ±5 · 330×290×270
USG-8.0kVA328 ±2 · 220 ±5 · 170 ±5 · 130 ±5 · 90 ±2 · 10 ±2 · 25 ±1 · 250 ±5 · 360×290×290
USG-10kVA360 ±2 · 240 ±5 · 175 ±5 · 135 ±5 · 95 ±2 · 10 ±2 · 25 ±1 · 270 ±5 · 390×300×310
USG-12kVA360 ±2 · 240 ±5 · 185 ±5 · 145 ±5 · 105 ±2 · 10 ±2 · 25 ±1 · 280 ±5 · 390×310×320
USG-15kVA385 ±2 · 260 ±5 · 190 ±5 · 150 ±5 · 110 ±2 · 10 ±2 · 25 ±1 · 295 ±5 · 415×330×335
USG-20kVA410 ±2 · 280 ±5 · 196 ±5 · 156 ±5 · 116 ±2 · 10 ±2 · 25 ±1 · 320 ±5 · 440×335×360
USG-24kVA470 ±2 · 320 ±5 · 205 ±5 · 165 ±5 · 125 ±2 · 10 ±2 · 25 ±1 · 405 ±5 · 500×370×450
USG-30kVA445 ±2 · 300 ±5 · 210 ±5 · 170 ±5 · 130 ±2 · 10 ±2 · 25 ±1 · 330 ±5 · 480×380×370
USG-37kVA470 ±2 · 320 ±5 · 232 ±5 · 192 ±5 · 152 ±2 · 10 ±2 · 25 ±1 · 365 ±5 · 500×395×410
USG-45kVA470 ±2 · 320 ±5 · 235 ±5 · 195 ±5 · 155 ±2 · 10 ±2 · 25 ±1 · 380 ±5 · 500×400×420
USG-60kVA500 ±2 · 340 ±5 · 255 ±5 · 210 ±5 · 165 ±2 · 10 ±2 · 25 ±1 · 435 ±5 · 540×430×480
USG-75kVA540 ±2 · 360 ±5 · 270 ±5 · 225 ±5 · 180 ±2 · 10 ±2 · 25 ±1 · 450 ±5 · 540×430×480
USG-93kVA570 ±2 · 380 ±5 · 285 ±5 · 237 ±5 · 192 ±2 · 10 ±2 · 25 ±1 · 480 ±5 · 570×440×520
USG-132kVA650 ±2 · 440 ±5 · 290 ±5 · 245 ±5 · 200 ±2 · 10 ±2 · 25 ±1 · 550 ±5 · 670×440×560
USG-180kVA700 ±2 · 460 ±5 · 325 ±5 · 275 ±5 · 225 ±2 · 10 ±2 · 25 ±1 · 605 ±5 · 705×450×610

Overall dimensions

Overall dimensions
Model / capacity	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)	F (mm)	G (mm)	H (mm)	Maximum envelope (mm)
USG-3.5kVA	270 ±2	180 ±5	145 ±5	110 ±5	75 ±2	10 ±2	18 ±1	210 ±5	300×250×250
USG-4.0kVA	270 ±2	180 ±5	150 ±5	115 ±5	80 ±2	10 ±2	18 ±1	210 ±5	300×260×250
USG-5.5kVA	300 ±2	200 ±5	165 ±5	125 ±5	85 ±2	10 ±2	25 ±1	230 ±5	330×280×270
USG-6.0kVA	300 ±2	200 ±5	170 ±5	130 ±5	90 ±2	10 ±2	25 ±1	230 ±5	330×290×270
USG-8.0kVA	328 ±2	220 ±5	170 ±5	130 ±5	90 ±2	10 ±2	25 ±1	250 ±5	360×290×290
USG-10kVA	360 ±2	240 ±5	175 ±5	135 ±5	95 ±2	10 ±2	25 ±1	270 ±5	390×300×310
USG-12kVA	360 ±2	240 ±5	185 ±5	145 ±5	105 ±2	10 ±2	25 ±1	280 ±5	390×310×320
USG-15kVA	385 ±2	260 ±5	190 ±5	150 ±5	110 ±2	10 ±2	25 ±1	295 ±5	415×330×335
USG-20kVA	410 ±2	280 ±5	196 ±5	156 ±5	116 ±2	10 ±2	25 ±1	320 ±5	440×335×360
USG-24kVA	470 ±2	320 ±5	205 ±5	165 ±5	125 ±2	10 ±2	25 ±1	405 ±5	500×370×450
USG-30kVA	445 ±2	300 ±5	210 ±5	170 ±5	130 ±2	10 ±2	25 ±1	330 ±5	480×380×370
USG-37kVA	470 ±2	320 ±5	232 ±5	192 ±5	152 ±2	10 ±2	25 ±1	365 ±5	500×395×410
USG-45kVA	470 ±2	320 ±5	235 ±5	195 ±5	155 ±2	10 ±2	25 ±1	380 ±5	500×400×420
USG-60kVA	500 ±2	340 ±5	255 ±5	210 ±5	165 ±2	10 ±2	25 ±1	435 ±5	540×430×480
USG-75kVA	540 ±2	360 ±5	270 ±5	225 ±5	180 ±2	10 ±2	25 ±1	450 ±5	540×430×480
USG-93kVA	570 ±2	380 ±5	285 ±5	237 ±5	192 ±2	10 ±2	25 ±1	480 ±5	570×440×520
USG-132kVA	650 ±2	440 ±5	290 ±5	245 ±5	200 ±2	10 ±2	25 ±1	550 ±5	670×440×560
USG-180kVA	700 ±2	460 ±5	325 ±5	275 ±5	225 ±2	10 ±2	25 ±1	605 ±5	705×450×610

DIMENSIONS / CONNECTIONS / SOURCE DATA

Technical information and original product sheets.

The original sheet retains all dimensioned drawings, connection diagrams, table footnotes and published values. It is supplied in its original language for direct verification against the English specification.

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Original technical sheet with complete specifications and dimension drawings for Three-Phase Power Conversion Transformers

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