POCWB Series
Window Type CT
- for outdoor service
- up to 28kV/150kV BIL
- current transformer / bushing combination
- supplied with secondary terminal box
- designed for operation down to -50°C
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| Drawing | Purchase | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 130-612-18A | - | 0.6 | 10 | 3000-5A | 0.3B0.9 | - | 1.33 | 6.00 | Request Quote |
| 149-002-05R | - | - | - | 200-5A | - | C40 | - | 4.50 | Request Quote |
| 149-002-18R | - | - | - | 3000-5A | - | C200 | - | 5.75 | Request Quote |
| 149-002-24A | - | 18 | 110 | 5000-5A | 0.3B1.8 | - | 1.33 | 5.75 | Request Quote |
| Drawing | Purchase | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 130-612-18A | - | 0.6 | 10 | 3000-5A | 0.3B0.9 | - | 1.33 | 6.00 | Request Quote |
| 149-002-05R | - | - | - | 200-5A | - | C40 | - | 4.50 | Request Quote |
| 149-002-18R | - | - | - | 3000-5A | - | C200 | - | 5.75 | Request Quote |
| 149-002-24A | - | 18 | 110 | 5000-5A | 0.3B1.8 | - | 1.33 | 5.75 | Request Quote |
General Description
- Voltage rating from 15kV to 38kV
- Impulse rating from 95kV to 200kV BIL
- Cast in high dielectric strength Cycloaliphatic Epoxy
Applications
The POCWB 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 over bare 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
- Brass secondary terminals
- Prominent polarity markings
- Weatherproof secondary terminal box
- Aluminum mounting plate for installation
Voltage Class – from 15kV up to 38kV
Impulse (BIL) – from 95kV up to 200kV 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