Overview
The BH-0.66III Series Current Transformer is used indoors, and is suitable for the current and power measurements and the relay protection in AC circuits with the rated voltage of 660 V and below and the rated frequency of 50 Hz or 60 Hz.
The product complies with GB20840.1 and GB20840.2.
Normal Operating Conditions
1. Installation site: Indoor.
2. Ambient temperature: Minimum temperature of -5°C, and maximum temperature of +40°C.
3. Ambient humidity: Relative humidity ≤ 80%.
4. Altitude: Not higher than 1,000 m.
5. Atmospheric conditions: No pollution, corrosive or explosive media that seriously affect the insulation of the transformer.
Model description
Technical parameters
1. Insulation level: The insulation resistance of the secondary winding to ground shall not be less than 10 MΩ, and the short-time power frequency withstand voltage shall be 3 kV, which lasts for 1 minute.
2. Rated load and accuracy level: cosΦ= 0.8 lag
