1.Features:
① Flexible in installation modes: can be fixed on either the primary wire or the bottom board.
② Three round through holes for primary wires in a '品' configuration.
③ Output terminal is a standard socket with a plug, making it easy to use.
④ Box structure, encapsulated by a plastic shell, has a sleek design.
2.Ambient Conditions:
① Ambient temperature: -55℃~+55℃;
② Relative humidity: ≤90% at 40℃;
③ Atmospheric pressure: 860~1060mbar(about 650~800mmHg);
3.Operating Frequency Range: 20Hz~1kHz
4.Insulation Rating: Class A (80℃)
5.Safety Features:
① Insulation resistance: >1000MΩ in normal condition;
② Insulation withstand voltages: 6KV 50Hz/1min.
③ Fire retardancy: In conformity with UL94-V0.
6.Outline Drawing, Installation Dimension and Coil Diagram: ( tolerance±0.5mm )
①Outline Drawing, Installation Dimension
● Remark: Provide with a plug along with each product. As to installation instruction, please see the following page.
② Coil Diagram
③ Installation instruction:
Take four support legs (included in package along with the product), insert them into the sockets as shown in the right figure. The center distance between the mounting holes is 50.0×71.0; The diameter of the mounting hole for the support leg is Φ 5.0, and then use M4 screw to fix the current transformer on the bottom board.
7.Typical Application and Parameters:
The parameters in the application as shown in the figure are listed in table below:
Model | Rated Input Current | Rated Output Current | Rated Sampling Resistance | Rated Sampling Voltage | Phase Shift | Non- Linearity | Linear Range | Withstand Voltage |
STA3340-01 | 3Φ-10A | 3Φ-1mA | 3Φ-200Ω/Y0 | 3Φ-200mV/phase | ≤60’ | ≤1% | 12.5 times of rated value | ≥4KV |
STA3340-02 | 3Φ-25A | 3Φ-1mA | ||||||
STA3340-03 | 3Φ-50A | 3Φ-1mA | ||||||
STA3340-04 | 3Φ-100A | 3Φ-1mA |