Anti-DC Current Transformer Cores
Features:
♦ The anti-DC current transformer core adopts a high magnetic permeability magnetic core, with high precision and good linearity that and can resist DC components.
♦ The range of applicable electric current is (5A ~ 400 A).
♦ Primary input and secondary output ensures flexible and diversified applications as well as easy installation.
♦ With a complete range of specifications (See the following table for details), products can be made according to customers special requirements.
Application and standard:
Mainly used in metering, serving as a component of current sampling tool or the current measuring tool for general industrial instruments.
High accuracy up to 0.2, 0.1, 0.05class.
Standard:GB1208 “Current Transformer” JB/T 10665 “Miniature current transformer”
Specification:
5(60)A/2mA 5(60)A/2.5mA 10(60)A/4mA 5(80)A/2mA 20(100)A/8mA 5(120)A/2mA 5(120)A/2.5mA
Current and Phase Error:
| Grade | Current Error ±（%） | Phase Error±（′） | ||||||
| Class | 0.05 In | 0.2In | In | 1.2In-Imax | 0.05 In | 0.2In | In | 1.2In-Imax |
| 0.05 | 0.1 | 0.05 | 0.05 | 0.05 | 4 | 2 | 2 | 2 |
| 0.1 | 0.4 | 0.2 | 0.1 | 0.1 | 15 | 8 | 5 | 5 |
| 0.2 | 0.75 | 0.35 | 0.2 | 0.2 | 30 | 15 | 10 | 10 |
Load resistance(Rb) : 5-25Ω
Isolation voltage : 4000Vrms,1Min
No break down, no arcing
Anti-DC Transformer Cores:
♦ Structural features: high permeability and constant permeable core complex composed of two materials.
♦ Performance features: Anti-DC capability, high accuracy and wide operating temperature range with a current range of 1.5 ~ 200A.
