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Current Transformers

ABB CT12/1200 SOLID-CORE CURRENT TRANSFORMER 1200/5 RATIO, CLASS 0.5 20VA CT12

Product Code: CT12/1200

The Solid-core current transformer, model CT12, is designed for accurate measurement of electrical currents. It has a current ratio of 1200/5 and an accuracy class of 0.5 at 20VA. The transformer can handle a test voltage of 3kV at 50Hz/1min and has an insulation class E (120 °C). To ensure safety and protection, the transformer is equipped with a sealable terminals cover for the secondary terminals. The housing material is made of self-extinguishing thermoplastic resin V0. The dimensions of the CT12 type transformer are 196Hx180Wx68.5Dmm. It has a cable diameter opening of 2x50mm and can accommodate bars with dimensions of 80x50mm, 100x50mm, and 125x50mm. This transformer can be easily adapted to various mounting systems including primary cable, primary busbar, DIN rail, and wall-mounting.

Technical Specifications

Cable Use Cable and Horizontal bar
CT Ratio 1200/5
Current Limit Function Full Scale 5
Brand ABB
Rated Primary Current - I?? (A) 1200
Rated Secondary Current - I?? (A) 5
Accuracy ±0.5%
Busbar Cross Section (mm²) 125 X 50
Cable Cross Section (mm²) 2 X 50
Degree of Protection IP30
Mounting Type Through primary
Operational Temperature Range (°C) -5 to +50
Power Loss (W) 40
Rated Frequency (Hz) 50 / 60

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