Aerosol-based automatic fire extinguishing systems for a variety of cabinets including electrical cabinets, distribution cabinets, measurement cabinets, capacitor cabinets, switchgear, etc.
All these cabinets are enclosed spaces, so the most suitable fire extinguishing systems for cabinets are aerosol fire extinguishers.
Electrical Cabinet (Distribution Cabinet) and Fire Extinguisher
Many automatic fire extinguishing systems can be used in enclosed electrical cabinets (distribution cabinets), At least the following three types of automatic fire extinguishing systems can be used for fire protection in electrical distribution cabinets:
Among the three types of distribution cabinet fire extinguishers mentioned above, the most commonly used one is the aerosol fire extinguisher.
Because compared to others, aerosols are not only cleaning agents but also easy to install, and most importantly, they do not occupy small cabinet spaces.
The Minisol brand aerosol fire extinguisher, composed of a 304 stainless steel shell and the latest generation of strontium nitrate oxidant, has won the favor of the market due to its beautiful appearance and excellent fire extinguishing ability.
Usually, the size of the distribution cabinet is below 3 cubic meters, so the following models can be installed in the distribution cabinet:
12 grams.
20 grams.
30 grams.
60 grams.
100 grams.
150 grams.
200 grams.
250 grams.
300 grams.
The specific selection of the 9 models above depends on the volume of the distribution cabinet and can be easily calculated using the aerosol calculation formula.
Here below we list out the specific parameters of these MINISOL aerosol fire extinguishers:
Aerosol Chemical Oxidant: Strontium nitrate and potassium nitrate.
Start Mode: Automatic starting, Thermal cord or Glass Bulb.
Activation temperature: 175℃ or 300℃ for thermal cord wire activation; 57℃, 68℃, 79℃ or 93℃ for glass bulb activation.
Product dimension: Please refer to the below size table.
The material of the product shell: 304 stainless steel with polishing artwork.
Connector: Aluminum alloy aviation plug, or aluminum alloy thermo bulb.
Igniter: Military-grade ignition wire.
Size Table of Automatic Fire Extinguishing Systems
Below the table we list the size of the electrical cabinet automatic aerosol fire extinguishers :
Model or Capacity
Diameter in mm
Height in mm
Protected Volume in m³
12 grams
40
20
0.12
20 grams
60
25.5
0.2
30 grams
51
95
0.3
60 grams
76
105
0.6
100 grams
76
125
1.0
150 grams
101
125
1.5
200 grams
101
125
2.0
250 grams
127
145
2.5
300 grams
127
145
3.0
These cabinet-type aerosol fire extinguishing systems are all suitable for enclosed spaces, furthermore, they also have the following benefits:
The extinguishing agent produced during spraying is in a smoke state, and there will be no residue after the fire disappears, so it will not corrode the electronic components in the electrical cabinet.
The product comes with a highly sensitive temperature detection device, which can detect fires in the initial stage and extinguish them within seconds.
The startup of the product is fully automated without manual intervention, and 24-hour monitoring ensures the safety of the distribution cabinet promptly.
The product is wrapped in a 304 stainless steel shell, which is dustproof and waterproof, so its service life is also extremely long.
The fire extinguishing agent of the product is compressed into solid powder by a specialized powder pressing machine, making the finished product pressure-free and safe, and also convenient for domestic and international transportation.
The most important thing is that the fire inside the distribution cabinet can be completely extinguished in an instant.
There are many types of cabinets, and the following are some electrical cabinets or cabinets related to electrical equipment:
Static capacitor cabinet.
Power Distribution Cabinet.
Incoming Cabinet.
High voltage switchgear.
Power distribution cabinet.
Source distribution cabinet.
Direct Current distribution panel.
Receptacle box for miscellaneous power supplies.
Control panel.
Lighting panel.
Junction box.
Outlet box.
Switch box.
Terminal box.
Wheel roader.
Power supply box.
Special transformer H.V. cabinet for induction voltage regulator.
Potential transformer cabinet.
Bus tie cabinet.
Transfer switch.
Voltmeter change-over switch.
Vacuum circuit breaker.
High voltage load break switch.
3-pole HV circuit-breaker.
All types of cabinets or enclosures listed above can be equipped with MINISOL automatic fire extinguishing devices.
When installing this product, The operators should pay attention to the following matters:
This product needs to be installed inside the distribution cabinets (Electrical cabinets).
Installation work should be carried out by professional installation workers, who need to use professional installation tools.
Do not smoke during installation to prevent triggering the temperature-sensing device.
Before installing, please check the product list and read the installation manual.
If installing a thermo bulb-type fire extinguisher, the final step is to install the glass bulb actuator.
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