Split Type Residual Current Transformer LO-CTK302503 RCT
A split-core type residual current transformer (RCT) is a device used in electrical circuits to detect and measure residual currents. Residual currents are imbalances between the incoming and outgoing currents in a circuit, which could indicate leakage or fault currents, posing potential safety hazards. The split-core design allows for easy installation without disconnecting the circuit, as the transformer can be clamped around existing conductors. The RCT functions by inducing a secondary current proportional to the residual current flowing through the primary conductor, enabling accurate measurement and monitoring of electrical safety parameters. This device is commonly employed in electrical systems to enhance safety and facilitate fault detection.
- Product Introduction
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High precision Split type core residual current transformer RCT/ZCT
S/N: LO-CTK302503
Product overview:
A split-core type residual current transformer (RCT) is a device used in electrical circuits to detect and measure residual currents. Residual currents are imbalances between the incoming and outgoing currents in a circuit, which could indicate leakage or fault currents, posing potential safety hazards. The split-core design allows for easy installation without disconnecting the circuit, as the transformer can be clamped around existing conductors. The RCT functions by inducing a secondary current proportional to the residual current flowing through the primary conductor, enabling accurate measurement and monitoring of electrical safety parameters. This device is commonly employed in electrical systems to enhance safety and facilitate fault detection.
Features:
- Simple and economical installation, especially for retrofit
- Practical locking system: Separating of primary cable not requiredAvailable in various different sizes
- No interruption of operations
Application:
- power distribution systems
- motor protection
- fire prevention system
- smart power system
- electromagnetic relay
Electric Specification：
|
Item |
Symbol |
Spec |
Item |
Symbol |
Spec |
|
Frequency |
f |
50Hz-60Hz |
Insulation between lines |
V |
1000 |
|
Rated Pri Current |
In |
1A |
Insulation resistance |
－ |
500MΩ/500V/min |
|
Rated Sec Current |
IO |
0.5mA |
Hi-pot test |
－ |
3000VAc(r.m.s)(2mA/1min) |
|
Rated burden resistor |
Ω |
100 |
|||
|
Linearity |
f |
<3% |
Operation temperature |
Ta |
-12℃ ~ +45℃ |
|
Accuracy |
- |
Class 1 |
Storage Temperature |
Ts |
-20℃ ~ +75℃ |
|
Continuous current |
A |
2 |
Secondary reactance |
Ω |
100±3 |
Primary and Secondary polarity designation：
Primary and Secondary designation: Passing through the middle of the coil is primary and the terminal connection board is connected to secondary
Phase designation： P1-S1 in phase, P2-S2 in phase
Schematic diagram:
Dimensions:
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