For PT ferric core, it adopts cold-gripping directivity silicon sheet steel and rolled iron core, and the coil is a copper conductor and its polarity is of minus polarity. The shielding bushings and two ends of the coil are all fully insulated. Therefore, PT is suitable for the applications of installation purpose with existing exterior frame. The maximum ambient temperature should not exceed 40˚C; its scope of applicability are: suitable for 12kV class, 24kV class PTs installed on fare-meter-assembled set of outdoor construct, pole-top or power distribution box devices.
1. Standard: C043 (94-02) & CNS11437C4435 of Tai-Power Company. 2. Phase:1∮. 3. Frequency: 60/50HZ. 4. Pri. voltage: 11000V. 5. Sec. voltage: 110V. 6. Acc. class: 0.3S. 7. Weight: 29kgs. 8. Usage: for measuring indoor & outdoor use.