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PTI Overhead Pole and Platform Mounted Transformers are designed and manufactured to meet specific customer requirements and specifications along with the applicable CSA, CEA, ANSI, NEMA, IEEE, IEC Standards.
These Transformers are available in a variety of styles and configurations to meet the customers specific requirements in Single Phase or Three Phase arrangements.
Single Phase
Standard Features
- Meets or exceeds CSA and CEA specifications
- Shell-type design
- Exterior tank finish exceeds EEMAC Y1-2 and ANSI C57.12.28
- Tin-plated high-and low- Voltage Bushing terminals to accommodate aluminum or copper conductors
- Laser-scribed anodized aluminum nameplate
- Wet process porcelain high-voltage bushings resistant to high-voltage Corona
- Tank grounding provisions
- Electrical grade mineral Oil
- Heavy-duty lifting lugs and hanger brackets
- Visible cover ground on units with cover-mounted bushings
- Recessed tank bottom that offers protection when sliding over rough surfaces
- Automatic pressure relief device
- Polymer or porcelain low-voltage bushings
- Arrester mounting and grounding provisions
- Secondary leads are stamped to ensure proper identification
Optional Features
- Taps: either two 2.5% above and below, or other variations
- Multiple voltage primaries
- Externally-operable, multiple voltage switches for safe operation
- ANSI, IEEE, NEMA design
- Special designs to meet international specifications
- Drain/sampling valve
- Pressure vacuum Gauge (tank size limitations apply)
- Filter press connections
- Base bars for platform mounting
- Temperature gauge (tank size limitations apply)
- Liquid level gauge (tank size limitations apply)
- Electric grade mineral oil
- 50 Hz Frequency
Typical Outline Drawing
Three Phase
Standard Features
- Meets or exceeds CSA and CEA specifications
- 5 leg core-type design
- Exterior tank finish exceeds EEMAC Y1-2 and ANSI C57.12.28
- Tin-plated high-and low-voltage bushing terminals to accommodate aluminum or copper conductors
- Laser-scribed anodized aluminum nameplate
- Wet process porcelain high-voltage bushings resistant to high-voltage corona
- Tank grounding provisions
- Liquid type mineral oil
- Heavy-duty lifting lugs and hanger brackets
- Visible cover ground on units with cover-mounted bushings
- Recessed tank bottom that offers protection when sliding over rough surfaces
- Automatic pressure relief device
- Polymer or porcelain low-voltage bushings
Optional Features
- Taps: either two 2.5% above and below, or other variations
- Multiple voltage primaries
- Multiple voltage primaries
- Externally-operable, multiple voltage switches for safe operation
- ANSI, IEEE, NEMA design
- Special designs to meet international specifications
- Drain/sampling valve
- Pressure vacuum gauge (tank size limitations apply)
- Filter press connections
- Base bars for platform mounting
- Temperature gauge (tank size limitations apply)
- Liquid level gauge (tank size limitations apply)
- Electric grade mineral oil
- 50 Hz frequency
Overvoltage Protection Features
- Low-voltage distribution class MOV arrester
- Lightning arresters for primary over-voltage protection: direct connected, normal or heavy duty, metal oxide varistor (MOV), or external
Typical Outline Drawing
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