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R-Class 220℃ Insulation 2500Kva Dry Type VPI Transformer 6900V To 480V Vacuum Pressure Impregnated Transformer

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R-Class 220℃ Insulation 2500Kva Dry Type VPI Transformer 6900V To 480V Vacuum Pressure Impregnated Transformer

Name: RClass 220 Insulation 2500Kva Dry Type VPI Transformer 6900V To 480V Vacuum Pressure Impregnated Transformer
Brand: WINLEY
Price: 500 USD

Wholesale R-Class 220℃ Insulation 2500Kva Dry Type VPI Transformer 6900V To 480V Vacuum Pressure Impregnated Transformer from china suppliers

Brand Name : WINLEY

Model Number : SG-2500KVA/6.9

Certification : ISO,CE,UL/cUL

Place of Origin : CHINA

MOQ : 1unit

Price : $500~$60000/Unit

Payment Terms : T/T

Supply Ability : 1000units/month

Delivery Time : 10-15days

Packaging Details : Plywood case

Type : Dry Type VPI Transformer

Insulation Class : Class R 220℃

Capacity : 2500KVA

Primary Voltage : 6900V

Secondary Voltage : 480Y/277

Enclosure Rating : NEMA 3R Weatherproof

Cooling : AN/AF

Efficiency Standard(s) : DOE 2016, IEEE, ANSI

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R-Class 220℃ Insulation VPI Transformer Dry Type High-Temperature Resistant Vacuum Pressure Impregnated Transformer

WINLEY Electric’s vacuum-impregnated dry-type transformers with R-class insulation feature the NOMEX insulation system. Endowed with high heat resistance and strong overload capability, this system ensures superior performance and safety for the transformers even in prolonged high-temperature conditions.

Product factory photos

R-Class 220℃ Insulation 2500Kva Dry Type VPI Transformer 6900V To 480V Vacuum Pressure Impregnated Transformer

Insulation class classification

As per NEMA class of insulation for transformer is based on the max. An R-Class insulation transformer uses very high-temperature resistant materials, allowing its windings to reach a maximum hot-spot temperature of 220°C.

Insulation Class	Maximum allowable temperature rise (°C)	environmental temperature (°C)	Maximum Temperature (°C)	Common Insulation Materials
Class A	50	40	105	Cotton, Paper, Silk, Wood
Class B	80	40	130	Mica, Fiberglass, Asbestos, etc., with suitable bonding substances
Class F	105	40	155	plus materials like synthetic enamelsB
Class H	125	40	180	Silicone elastomers, Mica, Fiberglass with high-temperature bonding substances
Class R	150	40	220	Very high-temperature resistant materials, often proprietary

Performance Characteristic

High Reliability: Engineered for continuous duty with minimal maintenance.
Thermal Stability: Class-R insulation provides superior heat resistance.
Eco-Friendly Design: Dry-type construction, low environmental impact.
Customizable: Available in a wide range of configurations and voltage classes.
Safety: Fire-retardant insulation, reduced risk of fire hazards.
Low Noise Operation: Designed for quiet performance in sensitive environments.
Excellent Mechanical Strength: Enhanced short-circuit resilience via the VPI process.
Core Material: Made from low-loss iron for superior magnetic performance.

Technical drawings

R-Class 220℃ Insulation 2500Kva Dry Type VPI Transformer 6900V To 480V Vacuum Pressure Impregnated Transformer

Application Areas:

Data Centers
Industrial automation and processing units
Renewable energy systems (solar/wind interconnection)
Power distribution in utilities,
Hospitals
Commercial buildings
Marine and mining sectors
Educational and research institutions
Infrastructure
UPS
Invertors
Telecom
Solar Inverters
Laboratories
Health Care

Specification

Model (kva)	Primary Voltage	Secondary Voltage	Coupling group tab	Shape dimension			Mounting dimension		K*J	The box dimension
Model (kva)	Primary Voltage	Secondary Voltage	Coupling group tab	Bmax	Dmax±5	Emax	A	C±5	K*J	Bmax	Dmax±5	Emax
SG-10KVA	660 400 380 200	380 220 110 36	Yyn0 Y/d D/y D/d	360	180	305	215	140	10*20	450	360	480
SG-15KVA				360	200	335	215	155	10*20	450	360	480
SG-20KVA				420	210	350	250	170	10*20	490	400	540
SG-30KVA				420	230	380	250	190	10*20	490	400	540
SG-50KVA				680	350	550	420	220	10*20	800	510	840
SG-80KVA				750	400	620	480	250	10*20	850	510	840
SG-100KVA				780	420	650	500	250	10*20	900	550	890
SG-300KVA				180	95	185	100	75	6*14
SG-500KVA				180	95	185	100	75	6*14
SG-1000KVA				180	110	185	100	90	6*14
SG-2000KVA				230	125	205	130	100	9*16
SG-3000KVA				240	145	215	130	120	9*16
SG-4000KVA				240	155	235	130	130	9*16
SG-5000KVA				320	160	255	180	115	10*20	400	330	480
SG-6000KVA				300	165	280	180	140	10*20	400	330	480

Production process

R-Class 220℃ Insulation 2500Kva Dry Type VPI Transformer 6900V To 480V Vacuum Pressure Impregnated Transformer

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R-Class 220℃ Insulation 2500Kva Dry Type VPI Transformer 6900V To 480V Vacuum Pressure Impregnated Transformer Images

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R-Class 220℃ Insulation 2500Kva Dry Type VPI Transformer 6900V To 480V Vacuum Pressure Impregnated Transformer

R-Class 220℃ Insulation 2500Kva Dry Type VPI Transformer 6900V To 480V Vacuum Pressure Impregnated Transformer

220℃ insulation dry type transformer

2500Kva VPI transformer 6900V to 480V

three phase vacuum pressure impregnated transformer

R-Class 220℃ Insulation 2500Kva Dry Type VPI Transformer 6900V To 480V Vacuum Pressure Impregnated Transformer Images