current transformer
Primary Current(A):5 Secondary Current(mA):2.5 Burden Rb:20 Max Current(A):50 Accuracy Class:0.2 Note:DC15.
| Basic parameters | Primary Current(A) | Secondary Current(mA) | Burden | Max Current(A) | Accuracy Class | Note | |||||||||
| Rb(Ω) | |||||||||||||||
| 5 | 2.5 | 20 | 50 | 0.2 | DC15.9A | ||||||||||
| Current error and phase error limits | Accuracy Class | Current error ±(%) | phase error(′) | ||||||||||||
| In the following currents | In the following currents | ||||||||||||||
| 0.01In | ≥0.05In | 0.01In | 0.05In | 0.2In | 1In | 2In | 3In | Imax | |||||||
| 0.1 Class | 0.2 | 0.1 | 15 | 8 | 5 | 5 | 5 | 5 | 5 | ||||||
| 0.2 Class | 0.4 | 0.2 | 30 | 15 | 10 | 10 | 10 | 10 | 10 | ||||||
| Note: When current is 0.2In~Imax, phase error(δe ) is the average of δmax and | |||||||||||||||
| δmin;When current is i, the phase error of i is the difference of betweenδi and δe. (δi=δi-δe). | |||||||||||||||
| When currents is 15.9A, The electric energy measurement error introduced by current transformers is less than 3% | |||||||||||||||
| Sine-half wave test | |||||||||||||||
| Normal Service Conditions | Ambient temp.(°C):-40°C~+70°C; Relative Humidity :≤98(25°C); Altitude :≤3000m | ||||||||||||||
| The main electrical performance | And a winding secondary winding voltage between the tolerance of not less than 3 kV, insulation resistance of not less than 1000MΩ | ||||||||||||||
| Reference size(mm) | A | B | C | D | E | F | G | H | |||||||
| 9 | φ6.2 | 20 | 30.2 | 16 | 46 | 2.2 | 30.5 | ||||||||
current transformer
