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Current transformer TI-100-02S
100/5 transformer. 2,5 VA.
The current transformer is used for proportional change of high current strength to lower values, adapted to the measuring range of control and measuring devices.
Functioning
The cable with the measured current passes through the main opening of the transformer (P1 / P2), which is equivalent to one coil of the primary winding. The S1 and S2 terminals of the secondary windings are connected to the terminals of the measuring circuit of the control or measuring device.
The ratio of the strength of the currents in both windings is a constant value and is called the current ratio: IPn/ISn=N, where the IPn is rated primary current; ISn - rated secondary current; N - the value of the transmission. The value of the current flowing through the primary winding can be determined from the value of the current flowing through the secondary winding: ISm*N=IPm, wherein ISm - measured secondary current; IPm - measured primary current
Please note!
It is recommended to connect the secondary circuit by a wire with diameter of not less than 2.5 mm².
It is recommended to ground the S2 terminal.
It is prohibited to disconnect the secondary circuit during operation of the transformer (the high voltage that may appear pose a risk of electric shock to the people or damage to the device).
- Type
- single-phase
- Building
- with close core
- Transmission lp / ls
- 100/5
- Class
- 0.2S
- Power [VA]
- 1,5 VA
- Frequency
- 50÷60 Hz
- Accuracy class
- 0.2S
- Maximum working voltage
- 0,66 kV AC
- Standard number
- PN-EN 61869-1:2009; PN-EN 61869-2:2013-06
- Nominal secondary current Is
- 5 A
- Isolation breakdown voltage
- 3 kV/1 min.
- Weight
- 0,5 kg
- Security factor
- FS ˂ 5
- Napięcie robocze
- 0,66/0,72 kV
- Klasa izolacji
- E
- Ciągły prąd termiczny
- 1,2× In
- Krótkotrwały prąd cieplny [Ith]
- 60× In
- Prąd dynamiczny [Idyn]
- 2,5× Ith
- Napięcie probiercze
- 3 kV
- Connection S1 / S2
- zaciski śrubowe 4 mm²
- Opening dimensions P1 / P2 - A1 / A2 / A3xB; C [mm]
- 32 × 32 mm
- Dimensions WxHxD [mm]
- 75×98×42 mm
- Tightening torque
- 0,5 Nm
- Working temperature
- -5÷40°C
- Mounting position
- vertical/horizontal
- Assembly
- blackboard / busway
- Ingress Protection Marking
- IP20
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100/5 transformer. 2,5 VA.
The current transformer is used for proportional change of high current strength to lower values, adapted to the measuring range of control and measuring devices.