Model CPTD5-95-37-5 Medium Voltage Control Power Transformer
Medium-voltage control power transformer for medium-voltage switchgear auxiliary power; rated 15 kV Class, 95 kV BIL, 60-37.5 A.
Our CPTD5-95-37-5 provides reliable medium-voltage control power transformer performance for medium-voltage switchgear auxiliary power.
Overview
The Model CPTD5-95-37-5 Medium Voltage Control Power Transformer is engineered for medium-voltage service in utility, industrial, and commercial electrical distribution installations, targeting medium-voltage switchgear auxiliary power. To provide control power in medium voltage switchgear. Frequency 60 Hz. Insulation Level 15 kV Class, 95 kV BIL Thermal Rating 25 kVA at 30°C ambient
Constructed with precision-wound cores and robust insulation, the CPTD5-95-37-5 maintains rated accuracy through repeated thermal cycling, mechanical vibration, and environmental exposure typical of medium-voltage installations. Key ratings: 15 kV Class, 95 kV BIL, 60-37.5 A. Design conforms to IEEE C57.13 (where applicable) for instrument-transformer accuracy and dielectric testing.
Typical deployments include substation switchgear, generator and transformer protection, revenue metering, feeder and motor protection, and control-room instrumentation. Refer to the attached data sheet for complete ratio, burden, accuracy class, and dimensional details; contact our engineering team for custom ratings, extended range, or non-standard configurations.
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Product Specifications
- Frequency
- 60 Hz
- Insulation BIL
- 95 kV
- Weight
- 650 lbs
- Mounting
- Indoor
- Application
- Switchgear, Control Power
- Standards
- NEC
- Insulation Class
- 15 kV Class
- Thermal Rating (37.5 kVA model)
- 37.5 kVA at 30°C ambient; 32.2 kVA at 55°C ambient; 80°C rise
- H.V. Terminals
- 3/8-16 brass inserts
- L.V. Terminals
- 1/2-13 brass studs
- Winding Construction
- Encapsulated in epoxy resin
- Mounting Base Material
- Steel
- Assembly Finish
- Varnish coated
- Fusing
- Available as unfused only
- Cooling
- Self cooled
- Optional Tap Configuration
- Suffix A = 1 ± 7.5% tap; suffix B = 2 ± 2.5% taps (added to catalog number, consult factory)
Specification Table
| Primary V | Secondary V | kVA Rating | Fuse Rating |
|---|---|---|---|
| 7200 | 120 | 37.5 | 20E |
| 8400 | 120 | 37.5 | 20E |
| 12000 | 120 | 37.5 | 10E |
| 12470 | 120 | 37.5 | 10E |
| 13200 | 120 | 37.5 | 10E |
| 13800 | 120 | 37.5 | 10E |
| 14400 | 120 | 37.5 | 10E |
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