01 / TRANSFORMER CATEGORY33 kV CLASS
Oil-Filled Distribution Transformers
25 kVA – 2500 kVA, up to 33 kV
STUDIO SPECIFICATION PHOTOGRAPH

Overview & Applications
Graycell Power Solutions Pvt. Ltd. manufactures high-quality oil-filled distribution transformers designed to meet international standards and compete with leading Indian manufacturers. Operating a state-of-the-art facility in Pune with promoters holding 25+ years of experience.
Accessories
Marshalling Box with OTI & WTI
PRV (Pressure Relief Valve)
MOG (Magnetic Oil Gauge)
DGPT
Buchholz Relay
Conservator Tank with Prismatic Oil Level Gauge
Type of Oil: Mineral Oil / Natural Oil / Ester Oil / Synthetic Ester Oil
Winding Type: Aluminium / Copper
HV Bushing: Epoxy / Porcelain
LV Bushing: Epoxy
Technical Profile
| Rating | 25 kVA to 2500 kVA |
|---|---|
| HT Voltage | Up to 33 kV |
| LV Side Voltage | Up to 800 V |
| Cooling Method | ONAN / ONAF |
| Installation | Indoor / Outdoor |
| Losses | As per IS 1180, Level 1, Level 2, Level 3 |
| Radiator | 1. Conventional Detachable Radiator, 2. Corrugated Tank |
| Type of Cooling | 1. Gas/Air Cushioned, 2. Non-Gas Type |
| Type of Tank | 1. Bolted Type, 2. Hermetically Sealed |
| Type of Insulation | Class A |
02 / TRANSFORMER CATEGORY33 kV CLASS
Dry Type Distribution Transformers
Cast resin & VPI insulation
STUDIO SPECIFICATION PHOTOGRAPH

Overview & Applications
Ideal for high-rise commercial buildings, hospitals, airports, underground transit, and industrial plants requiring high fire safety and low environmental risk.
Key Features
Non-hygroscopic cast resin insulation eliminating moisture ingress
Self-extinguishing with zero toxic gas emission
High short-circuit withstand capability
Suitable for indoor installation close to load centers
Technical Profile
| Insulation Class | Class F / Class H |
|---|---|
| Enclosure Rating | IP21 / IP23 / IP33 |
| Fire Rating | F1 Flame Retardant |
| Maintenance | Near zero maintenance |
