FCSS-23S Series Type B Leakage Current Sensor
The FCSS-23S series fluxgate current sensor can achieve Type-B residual current detection, featuring high accuracy, low temperature drift, and low power consumption. It operates on a single 5V power supply, capable of detecting currents up to 6mADC/30mAAC and outputting switch-type signals. The residual current detection function can be applied to electric vehicle IC-CPD, WallBox, charging piles, photovoltaic inverters, UPS, and other equipment. It can be configured with different numbers of primary current conductors, making it easy to use.
Description: System leakage current faults of the power supply to ground may pose a threat to personal safety or cause fires. Therefore, the power system must be disconnected from the grid before the fault escalates. System leakage current includes both DC and AC components, so an AC/DC sensitive monitoring unit is required. This product utilizes fluxgate technology and can be widely applied in detection systems where AC/DC or various complex waveform leakage currents exist. Its measured values are analyzed and processed by the power supply's control system.
More Choices
Feature：
AC and DC Leakage Current Measurement
Single Power Supply +5V
DC 6mA Leakage, AC 30mA Leakage
Output Switch Signal
High Bandwidth And Low Loss
Complete Isolation Between Primary and Secondary
Advantage：
Stable Accuracy
Low Hysteresis
Strong Anti-interference Ability
Low Temperature Coefficient
Quick Response
Insulation Voltage: 3.0kVAC
Application ：
Electric Vehicle Charging Station
IC-CPD
Frequency Converter
Smart Grid
Energy Storage Power Supply
Medical equipment
Standardard:
IEC 62752:2018
IEC 62955：2018
GB 13955:2017
Self-check Sequence Diagram:
Size（unit：mm，error：±0.5）
Note: This schematic diagram is the basic working principle of the transformer. We can design the transformer sampling circuit for the customer.
Electrical schematic diagram:
Application of self-checking function::
1.Application of self-checking function: When the power system is not working, the leakage current is 0 and VOUT is at a low level (0V). By grounding the TEST pin (for a duration greater than 60mS), VOUT transitions from low level to high level (Vcc) to complete the self-check, indicating that the leakage current sensor is functioning properly. During normal operation, the TEST pin should be in a floating state.
2.Note: 1. Single-phase applications are similar to three-phase applications. For single-phase, simply pass both the L line and N line through the sensor's inner hole. 2. The test conditions for electrical parameters are TA=25℃, UC=5V, and RL=10kΩ (load resistance). 3. Static electricity control should be implemented when handling the product. 4. Incorrect wiring methods may cause damage to the sensor. 5. The recommended welding temperature is 265℃±5℃
Specification
|
Maximum Rated Parameters |
|||||
|
Project |
Symbol |
Minimum |
Rated Value |
Maximum |
Unit |
|
Power Supply Voltage (non-operating state) |
VC |
|
|
5.5 |
V |
|
Ambient Operating Temperature |
TA |
-40 |
|
85 |
℃ |
|
Environmental Storage Temperature |
TA |
-40 |
|
105 |
℃ |
|
High-voltage Characteristics (Ta=25℃, Vc=5V, RH<70%) |
||||
|
Project |
Symbol |
Numerical Value |
Unit |
Conditions |
|
Insulation Withstand Voltage |
Ud |
3 |
kV |
50Hz/1min |
|
Impulse Withstand Voltage |
UW |
7 |
kV |
1.2/50μs |
|
Lightning Surge Current |
ILS |
5 |
kA |
8/20μs |
|
System Operating Voltage |
VS |
600 |
V |
rms |
|
Relative Tracking Index |
CTI |
250-400 |
V |
Group 2@UL |
|
Clearance |
DCI |
13 |
mm |
Shortest distance in space |
|
Creepage Distance |
DCP |
13 |
mm |
Shortest distance along the body |
|
Application Examples |
- |
600，CAT111,PD2 |
V |
-- |
|
High-voltage Characteristics (Ta=25℃, Vc=5V, RH<70%) |
||||
|
Project |
Symbol |
Numerical Value |
Unit |
Conditions |
|
Insulation Withstand Voltage |
Ud |
3 |
kV |
50Hz/1min |
|
Impulse Withstand Voltage |
UW |
7 |
kV |
1.2/50μs |
|
Lightning Surge Current |
ILS |
5 |
kA |
8/20μs |
|
System Operating Voltage |
VS |
600 |
V |
rms |
|
Relative Tracking Index |
CTI |
250-400 |
V |
Group 2@UL |
|
Clearance |
DCI |
13 |
mm |
Shortest distance in space |
|
Creepage Distance |
DCP |
13 |
mm |
Shortest distance along the body |
|
Application Examples |
- |
600，CAT111,PD2 |
V |
-- |
Note: If there is no product suitable for your use in the above table, we can tailor the product according to your technical and structural requirements.
For more information about our products, welcome to contact us at any time!
