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POCTP Series

Bar Type CT

  • for outdoor service
  • up to 28kV/170kV BIL
  • supplied with secondary terminal box
  • designed for operation down to -50°C
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Voltage (kV)
BIL (kV)
Width (Inches)
Drawing Purchase
148-002A-18C - 28 150 3000-5A 0.3B1.8 2.5L400 1.50 20.00 Request Quote
148-702-13C - 28 150 1200-5A 0.3B1.8 2.5L400 2.00 23.50 Request Quote

General Description
- Voltage rating from 15kV up to 35kV
- Impulse rating from 95kV up to 170kV BIL
- Primary current rating up to 4000 amps
- Cast in high dielectric strength Cycloaliphatic Epoxy

The POCTP series current transformers are designed for indoor service, for ambient
temperatures between -50°C to +70°C. Applications include:
- Metering functions, including revenue billing
- Protective relay applications
- Installation in line with bus bar or cable

- Annealed toroidal cores of high grade electrical steel
- 200°C enamel coated copper magnet wire
- Secondary turns uniformly distributed around the core for each tap position
- Manufactured with internal shields to control electric field distribution
- Silver plated copper primary conductor is standard; other plating options available
- Brass secondary terminals
- Prominent polarity markings
- Weatherproof secondary terminal box
- Aluminum mounting plate for installation
- Upright and universal mounting designs available

Voltage Class – from 15kV up to 35kV
Impulse (BIL) – 95kV up to 170kV BIL
Frequency – 60Hz
Thermal Withstand – up to 160 x Rated Current (1 sec.)
Mechanical Withstand – up to 270 x Rated Current (6 cycles)
Continuous Current Rating Factor – up to 2.0 @ 30°C