Intelligent wireless automatic gas fire extinguishing device-Hot Aerosol Series

Our automatic gas fire extinguishing devices provide comprehensive protection against electrical fires. These intelligent devices monitor wire temperature, ambient temperature, and smoke in real-time. Featuring multiple communication options (RS485, 4G, Lora), these automatic gas fire extinguishing devices enable wireless data upload to cloud platforms for remote monitoring and control via computer or mobile app. With a modular design for easy cartridge replacement, our automatic gas fire extinguishing devices, including the MR/QRR and MR/YF Hot Aerosol series, offer reliable, cost-effective solutions for various protected spaces.

product details

Type Designation

Model	Communication Method	Key Features	Ideal For
MR/QRR□G/S-KEG1	Standalone	All-in-one unit with integrated detection & extinguishing. No external communication.	Basic protection for small, self-contained spaces.
MR/QRR□G/S-KEG2	RS485 Wired	Can be integrated into a central fire alarm control panel for centralized monitoring.	Buildings or facilities requiring a centralized wired monitoring system.
MR/QRR□G/S-KEG3	LORA Wireless	Long-range wireless communication. Flexible installation with low network setup cost.	Areas with distributed layouts or where wiring is difficult.
MR/QRR□G/S-KEG4	4G Wireless	Connects directly to the cloud platform. Supports remote monitoring and control via mobile app.	Multi-site or cross-regional facilities requiring remote, centralized management.

product Display

Product features

√ Simultaneous online detection of wire temperature, ambient temperature,and smoke to prevent electrical fire hazards.
√ Equipped with various communication interfaces such as RS485, 4G, and Lora.
√ Wireless data upload to the cloud platform enables viewing of on-site data and remote control via computer or mobile app from any location.
√ Functions include real-time data collection, historical curves, event recording, and trend analysis.
√ Two-segment modular product design allows easy replacement of the extinguishing cartridge after use, enabling repeated use and reducing operational costs.

Technical Parameters

Function configuration	MR/QRR □ G/S-KEG1	MR/QRR □ G/S-KEG2	MR/QRR □ G/S-KEG3	MR/QRR □ G/S-KEG4
Communication Method	/	RS485	LORA/433MHz	4G
Dimensions	0.1G/S:664590mm 0.3G/S:6645255mm	0.1G/S:6645170mm 0.3G/S:6645335mm	0.1G/S:6645170mm 0.3G/S:6645335mm	0.1G/S:6645170mm 0.3G/S:6645335mm
Operating Voltage	/	DC24V
Agent Quantity	0.1G/S:100g±2g 0.3G/S:300g±2g
Protected Space	0.1G/S:≤1m³ 0.3G/S:≤3m³
Discharge Time	≤14s
Discharge Delay Time	≤0.5s
Nozzle Thermal Clearance	Temperature at 400mm from nozzle ≤75℃
Surface Temperature of Enclosure	≤75℃
Extinguishing Density	100g/m³~130g/m³
Agent Service Life	6 Years
Protected Area Requirements	Protected area should be relatively enclosed
Installation Method	3M adhesive, strong magnetic adsorption, screw fixation
Operating Environment	-40~+85℃ ＜95%RH
Activation Method	Temperature-based activation: (when any point of thermal detection line exceeds 170℃)	Logical activation (temperature exceeds 100℃ and smoke detected simultaneously)
		Remote activation (via host or cloud platform)
		Manual forced start (emergency button, press and hold for 3 seconds)
		Over-temperature activation (when any point of thermal detection line exceeds 170℃)