Fire Rated Isolators & Junction Boxes

Features & Benefits

• Available 20A to 800A, this switchgear is used to maintain power to vital equipment such as smoke extraction / ventilation fans allowing the safe evacuation of businesses, carparks and public areas in the event of a fire.
• These switch-disconnectors are installed near to the extraction fan for isolation purposes, and have been tested in conjunction with the fan equipment to meet the stringent thermal requirements of BS EN 12101-3. Within BS EN 12101-3 (smoke and heat controls) there are different classes of duty which define a specific temperature gradient, upper temperature limit and time  period.
  • F400 products can withstand 400° C for 2 hours
  • F300 products can withstand 300° C for 2 hours
  • F200 products can withstand 200° C for 2 hours