ESF Electrical Fire Monitoring Module
Proprietary Algorithm Patent, Precisely Monitoring Temperature and Residual Current
Uses proprietary software algorithm patented technology to accurately monitor and predict temperature and residual current in electrical systems. Non-contact split-core sensors operate stably under strong EMI, support 4-Channel Temperature, 1-channel residual current monitoring, Linkage Control, early Prediction electrical Fire Hazard.
Product Overview
The ESF electrical Fire Monitoring Module uses proprietary software algorithm patented technology to accurately monitor and predict temperature and residual current in electrical systems. When electrical equipment residual current, temperature and other data indicators become abnormal, sensors collect indicator changes through electromagnetic induction principles and temperature change effects, ization Information, transmits to signal No. Processing unit.
After intelligent analysis including filtering, amplification, A/D conversion, analysis, judgment, and comparison, Real-Time data is transmitted to the electrical fire monitoring system. High-speed chips capture key parameters accurately, fast, and stably, enabling early prediction while removing unnecessary parameters to focus on core safety indicators.
Core Monitoring Capabilities
- 4-channel NTC temperature monitoring(-30~125°C,±1°C).
- 1-channel residual current monitoring (10~3000mA, Class 1 accuracy).
- 2-channel digital input + 1-channel relay output,Supports linkage control.
- Non-contact split-core sensors operate stably under strong electromagnetic interference.
Product Features
Precise Sensing Capability
High-speed chips capture key parameters accurately, quickly, and stably, enabling early prediction while removing unnecessary parameters such as current and voltage monitoring, focusing on core safety indicators.
Key Parameters Expansion
Non-contact split-core sensors operate stably under strong electromagnetic interference, ensuring accurate and reliable monitoring data.
All-Climate Sensor
Supports 4-channel temperature and 1-channel residual current monitoring, 2-channel DI input and 1-channel relay output, with threshold settings to quickly add monitoring functions based on on-site application characteristics.
Comprehensive Acquisition
Supports linkage control; standard OLED display and physical buttons for convenient on-site query and configuration. RS485 communication, Modbus, 36mm compact width, easy to deploy even in tight spaces.
Patented Algorithm Prediction
Uses proprietary software algorithm patented technology, through filtering, amplification, A/D conversion, analysis, judgment, comparison and other intelligent analysis, to achieve accurate monitoring and prediction of temperature and residual current.
Compact and Flexible
OLED display + physical buttons, pluggable terminals, 35mm DIN rail mounting, 36mm compact width, easy to deploy even in tight spaces.
Selection Guide
Model Naming Rules
| Model | Power Supply | Display | Residual Current | Temperature | DI Inputs | Relay Output | RS485 Modbus |
|---|---|---|---|---|---|---|---|
| ESF-12111-R | AC 220V | OLED | 1-ch | 4-ch | 2-ch | 1-ch | Yes |
| ESF-12121-R | AC 220V | OLED | 1-ch | 4-ch | 2-ch | 1-ch | Yes |
| ESF-12131-R | AC 220V | OLED | 1-ch | 4-ch | 2-ch | 1-ch | Yes |
| ESF-12141-R | AC 220V | OLED | 1-ch | 4-ch | 2-ch | 1-ch | Yes |
| ESF-22111-R | DC 5V | OLED | 1-ch | 4-ch | 2-ch | 1-ch | Yes |
| ESF-22121-R | DC 5V | OLED | 1-ch | 4-ch | 2-ch | 1-ch | Yes |
| ESF-22131-R | DC 5V | OLED | 1-ch | 4-ch | 2-ch | 1-ch | Yes |
| ESF-22141-R | DC 5V | OLED | 1-ch | 4-ch | 2-ch | 1-ch | Yes |
* For other configurations, please contact sales for customized solutions.
Technical Parameters
Basic Parameters
| Operating Voltage | DC 4.75~5.25V(5V model)/ AC 180~250V(220V model) |
| Power Consumption | ≤ 2W |
| Operating Temperature | -20℃ ~ 60℃ |
| Operating Humidity | < 95% |
| Weight | 150g |
| Dimensions | 36 × 110 × 69mm(L×W×H) |
| Enclosure Material | Thermoplastic UL94V0 |
| Protection Rating | IP20 |
| Mounting | Standard 35mm DIN Rail Mounting |
| Display | OLED |
| Communication | RS485 |
| Protocol | Modbus |
Monitoring Functions
| Residual Current (AC) | 10~3000mA,Accuracy: Class 1 |
| Temperature | NTC measurement: -30~125°C, Accuracy ±1°C, 4-channel |
| DI Input | Dry contact input, built-in power,2-channel |
| DO Output | Relay output, contact capacity AC250V/3A, DC30V/3A, normally open contact, 1-channel |
| Linkage Control | Supports DI linkage control |
Installation Instructions
Installation Dimensions
Sensor Description
| Sensor | Specifications |
|---|---|
| Residual Current Transformer | Current ratio: 1A/0.5mA; aperture: 45mm; cable length (default): 1m |
| NTC temperature sensor | Resistance (R25°C): 10kΩ; cable length (default): 1m |
Interface Diagram
Wiring Definition
| Terminal | Name | Description |
|---|---|---|
| L1 / N | Power Supply | L1: Live wire; N: Neutral wire (220V model) |
| 5V / GND | Power Supply | 5V: Positive; GND: 0V (5V model, alternative to 220V) |
| A / B | RS485 Communication | A: RS485 A terminal; B: RS485 B terminal |
| DI1 / DI2 | DI Input | Other end connects to GND, input is non-polarized |
| DO1 / DO1' | Relay Output | Output is non-polarized |
| T1 / T2 / T3 / T4 | Temperature Input | NTC temperature input, other end connects to GND, input is non-polarized |
| I+ / I- | Leakage Input | Leakage input positive/negative terminal |
Note: 220V AC input and 5V DC power input are mutually exclusive. Do not connect both simultaneously.
Key Points
- Definition： The ESF Electrical Fire Controller is FEXLINK's dedicated electrical fire monitoring device compliant with GB 14287, providing residual current and temperature monitoring.
- Core Capabilities： Supports residual current and cable temperature monitoring per electrical fire monitoring system standards; threshold alarms and RS485 upload.
- Scenarios： Suitable for electrical fire monitoring in high-rise buildings, commercial complexes, hospitals and schools.
- Related Products： ESA Electrical Safety Terminal, ESC Multi-Channel Temperature Controller, SFA Multi-Element Controller.
Frequently Asked Questions
Product FAQ
What is ESF Electrical Fire Controller?
The ESF Electrical Fire Controller is FEXLINK's dedicated electrical fire monitoring device compliant with GB 14287, providing residual current and temperature monitoring.
What scenarios does ESF Electrical Fire Controller apply to?
Suitable for electrical fire monitoring in high-rise buildings, commercial complexes, hospitals and schools.
How does ESF Electrical Fire Controller differ from traditional solutions?
Compared with ordinary residual-current relays, the ESF complies with electrical fire monitoring system standards and provides professional alarms and linkage interfaces.
How is ESF Electrical Fire Controller installed and integrated?
DIN-rail mount inside the distribution cabinet, connect residual-current CTs and temperature sensors, and wire the RS485 bus.
How can I purchase FEXLINK products or request a demo?
Submit requirements via the Contact page on the FEXLINK website, or call +86-755-8653-6148 to request a demo and selection consultation; engineers will propose a matched solution and quotation based on your scenario.
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FEXLINK Business Scope
FEXLINK specializes in smart lightning protection and electrical safety, offering a product portfolio covering lightning protection, lightning online monitoring, lightning protection online monitoring, lightning arrester, intelligent lightning arrester, lightning arrester monitoring, grounding resistance, grounding monitoring for smart lightning protection scenarios, while addressing digital distribution, smart distribution, electricity meter, carbon neutral, industrial internet, carbon asset for digital business, helping enterprises achieve safe, efficient and low-carbon energy management.