POCPB Series
Bar Type CT
- for outdoor service
- up to 28kV/170kV BIL
- current transformer / bushing combination
- supplied with secondary terminal box
- designed for operation down to -50°C
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| Drawing | Purchase | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 149DL-524-40C | - | 26.4 | 150 | 4000/2000-5-5A | 0.6B1.8 | C800/C400 | 1.20 | 55.50 | Request Quote |
| 149DL-534-A1C | - | 26.4 | 150 | 4000/2000-5-5A | 0.6B1.8 | C800 | 1.15 | 47.00 | Request Quote |
| 149DL-566-40C | - | 26.4 | 150 | 4000/2000-5-5A | 0.6B1.8 | C800 | 1.20 | 47.00 | Request Quote |
| A49-327-05R | - | 15 | 110 | 200-5A | - | C400 | 3.00 | 42.50 | 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
Applications
The POCTP series current transformers are designed for outdoor 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
Construction
- 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/frame for installation
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