FD Leakage-Current Monitor
FD Series
High-accuracy AC/DC residual-current monitoring, graduated over-limit alarm + event logging, for leakage protection and fire-hazard monitoring.
FD Leakage-Current Monitor
FD Series
Product Overview
The FD residual current monitoring module is a professional residual current monitoring module of the intelligent lightning protection (F series), providing high-accuracy AC/DC residual current acquisition for leakage protection and fire hazard monitoring. It replaces manual monthly inspections with 7×24-hour online monitoring, and its μA-level high-accuracy sampling enables early warning of degradation trends. It complies with national/UL/IEC standards, supports remote configuration and OTA upgrades, and offers multiple specification options to suit different scenarios.
Core functions
AC/DC compatible detection with high-accuracy residual current acquisition. Graded over-limit alarming with traceable event records. RS485/Modbus communication for integration into monitoring platforms. Supports remote configuration and OTA upgrades for efficient O&M. Product Features
Data Generated
Product Features
7×24-hour online monitoring
Replaces manual monthly inspections with real-time online residual current monitoring, detecting leakage hazards at the earliest moment.
High-accuracy sampling
μA-level high-accuracy sampling with early warning of degradation trends, eliminating leakage fire hazards.
Standards compliance
Complies with national/UL/IEC standards with reliable quality, meeting application requirements of various places.
Remote O&M
Supports remote configuration and OTA upgrades for efficient O&M and lower on-site maintenance costs.
Multiple specification options
Multiple specification options available to suit different scenario requirements. Technical Parameters
System Topology
Technical Parameters
Monitoring functions
Residual current detection AC/DC compatible detection Alarm method Graded over-limit alarm Event recording Supported Communication method RS485 Communication protocol Modbus protocol
| Residual current detection | AC/DC compatible detection |
| Alarm method | Graded over-limit alarm |
| Event recording | Supported |
| Communication method | RS485 |
| Communication protocol | Modbus protocol |
Key Points
Definition: The FD residual current monitoring module is a FEXLINK professional residual current monitoring device for leakage protection and fire hazard monitoring, supporting high-accuracy AC/DC residual current acquisition. Core capabilities: 7×24-hour online monitoring, μA-level high-accuracy sampling, graded over-limit alarming, and RS485 upload. Application scenarios: Electrical fire prevention in low-voltage distribution cabinets/panels, factory workshop power distribution circuits, commercial complexes, data centers, hospitals, and schools. Related products: FS surge arrester monitoring module, FSS intelligent surge protective device, and FSP surge protective device base.
FAQ
Related Products
FS Lightning-Protection Monitor
SPD online monitoring, microamp-accuracy leakage-current detection, supporting four/five-element and nine-element monitoring, full visibility of SPD status and life trend.
FSS Smart Surge Protective Device
Integrated smart SPD with built-in monitoring and communication, LCD/OLED display, combined lightning protection and status monitoring.
FL Lightning-Current Monitor
Peak lightning current 0.1-200kA measurement, GPS/BeiDou timing, IP67 outdoor protection, precise lightning-event attribution.
Learn MoreFD Leakage-Current Monitor Application Scenarios
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