CO2 Extinguishers

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CO₂ fire extinguishers are specifically designed for tackling fires involving electrical equipment and flammable liquids. They suppress flames by rapidly displacing oxygen at the fire source, making them a common choice for environments with sensitive or live electrical systems.

Why it works: carbon dioxide quickly smothers flames without leaving residue, making it ideal where clean suppression is essential and equipment contamination must be avoided.

✅ Key benefits

  • No residue — clean discharge with no clean-up required
  • Safe for use on live electrical equipment
  • Effective on Class B fires involving flammable liquids
  • Rapid flame knock-down at the fire source

🏢 Best for

Server rooms, electrical cupboards, plant rooms, laboratories, commercial kitchens (for electrical appliances), and areas with high-value electronic equipment.

⚠️ Important considerations

CO₂ extinguishers do not provide cooling, meaning fires can re-ignite if the heat source remains. They are also unsuitable for deep-seated Class A fires and must be used with care in confined spaces due to oxygen displacement.

🧠 Helpful guides

Learn more about selecting the right extinguisher: Extinguisher placement  •  How to use a fire extinguisher safely