Home
Products
Power Transformers
Voltage/Current Transformers
Power Sensors
Power Modules
Anti-resonance Reactors
Applications
Electric Power Automation and Intelligence
Power Equipment
Rail Transit
Industrial Automation
Download
About Us
Contact Us
Login
Register
CN
STA3137 Series Vertical Core Box Type Three-phase Current Transformer
3.png
STA3137 Series Vertical Core Box Type Three-phase Current Transformer
Features:
① Vertical core, flexible installation, can be fixed on the busbar or on the bottom plate;
② The perforation of the busbar is circular;
③ The output terminal is a standard socket, and a matching plug is supplied, which is easy to use.
④ Box structure, closed plastic case, beautiful appearance.
STA3137 General Technical Specifications for Standard Products:

1Features: 

① Vertical core, flexible installation, can be fixed on the busbar or on the bottom plate;

② The perforation of the busbar is circular and arranged in the shape of "pin";

③ The output terminal is a standard socket, and a matching plug is supplied, which is easy to use;

④ Box structure, closed plastic case, beautiful appearance.

2Ambient Conditions:

① Ambient temperature: -55℃+55℃;

② Relative humidity: ≤90% at 40℃;

③ Atmospheric pressure: 8601060mbar(about 650800mmHg).

3Operating Frequency Range: 20Hz~1kHz

4Insulation Thermal Class80 ℃

5Safety Features:

① Insulation resistance: >1000MΩ in normal condition;

② Insulation withstand voltages: 4KV 50Hz/1min;

③ Fire retardancy: In conformity with UL94-V0.

6Outline Drawing, Installation Dimension and Coil Diagram: ( tolerance ± 0.5mm )


① Outline drawing and installation dimensions are shown in Figure 1


 image.png

Note: Each product is provided with a plug, see the installation instructions below.

② The coil diagram is shown in Figure 2:

image.png

                                                Fig 2

7. Performance Parameters:

See the table below for performance parameters when applied as shown in Figure 2:

Model

Applicable Rated Current

Parameter

Phase Shift

Non-linearity

STA 3137-01

20AIe≤80A

800A/1.1V

≤60’

≤ 0.5 %

STA 3137-02

Ie≤2A

20A/1.1V

STA 3137-03

2A≤Ie≤5A

50A/1.1V

STA 3137-04

5A≤Ie≤20A

200A/1.1V

STA 3137-05

Ie200A

20A/1.1V

STA 3137-06

Ie200A

50A/1.1V

8. Attention:

① Connect the primary winding of the current transformer in series in the circuit under test. Operate the secondary winding approximately in a short-circuit state.

② Do not allow the secondary circuit of the current transformer to be open-circuited. Do not install any fuses in the secondary circuit.


Application Case
Driven by market demand, we are committed to continuous innovation and customer satisfaction.
Standard Product Reservation
Custom Product Reservation
Search