PICW Series
Window Type CT
- for indoor service or oil immersion
- rated 0.72kV/10kV BIL
- square or octagonal body styles
- 3.25” to 36.00” window diameter
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General Description
- Voltage rating of 0.72kV
- Impulse rating of 10kV BIL
- Cast in high dielectric strength Bis-A Epoxy
- Suitable for higher voltage installation over bushing or insulated cable
Applications
The PICW series current transformers are designed for indoor service, for ambient
temperatures between -5°C to +70°C. Applications include:
- Metering functions, including revenue billing
- Protective relay applications
- Installation over bus bar or cable to 720V
- For use in air and oil environments
- Low temperature designs available for some models
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
- Brass secondary terminals
- Prominent polarity markings
- Secondary terminal box available for some models
Voltage Class -0.72kV
Impulse (BIL) - 10kV
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