The ORPT Series 2-Phase Earthed, Fix Type Voltage Transformers are engineered to function efficiently in tough outdoor settings. With robust weatherproof construction, superior insulation capability, and reliable thermal performance, they provide precise voltage measurement and safe transformation for power utilities, substations, and industrial distribution systems.
| Parameter | ORPT 12 B | ORPT 22 B | ORPT 33 B |
|---|---|---|---|
| Construction Type | 2-Phase Earthed, Fix Type | 2-Phase Earthed, Fix Type | 2-Phase Earthed, Fix Type |
| Max. System Voltage (Um) | 12 kV | 24 kV | 36 kV |
| Basic Insulation Level (BIL) | Up to 28/75 kV | Up to 55/125 kV | Up to 70/170 kV |
| Rated Primary Voltage | 11,000/√3 V | 22,000/√3 V | 33,000/√3 V |
| Rated Secondary Voltage | 110/√3 V or 110/3 V | 110/√3 V or 110/3 V | 110/√3 V or 110/3 V |
| Rated Voltage Factor | 1.2 Continuous & 1.9 for 8 Hours | 1.2 Continuous & 1.9 for 8 Hours | 1.2 Continuous & 1.9 for 8 Hours |
| Thermal Limiting Current | 6 A | 8 A | 10 A |
| Max. Secondary Terminals | 7 | 7 | 7 |
| Rated Frequency | 50/60 Hz | 50/60 Hz | 50/60 Hz |
