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Fire Rated

Craig & Derricott’s Fire Rated products range from 20A to 800A, for F200, F300 and F400 environments. Units are supplied in either IP65/IP66 die-cast aluminium or IP65 sheet steel enclosures with a Traffic Red (RAL 3020) powder coat finish.

 

When choosing a switch disconnector enclosure, care must be taken to select the most suitable material taking into account the location, level of pollution, temperature, UV levels, vibration and humidity. Typical enclosure materials include Aluminium, Powder painted Mild Steel or Stainless Steel. Enclosures that are sealed to IP65 are commonly mistaken as being suitable for all outside environments. A powder painted mild steel or Aluminium enclosure will degrade and corrode under certain environmental conditions.

 

Installing enclosures in an external environment may also result in condensation forming on the inside of the enclosure, resembling water ingress. This is caused by a difference in temperature between inner and outer surfaces of the enclosure and the most common solution is to fit an anti-condensation heater within the enclosure. When the isolator is subject to chemical cleaning a stainless steel enclosure is recommended although the correct grade of stainless steel must be selected. If in doubt, please consult our technical department on sales@craigandderricott.com or +44(0)1543 375 541.


F400 Fire Rated

The F400 Fire Rated product range is designed specifically for installations where the supply must be maintained for 2 hours at 400°C.

F300 Fire Rated

The F300 Fire Rated product range is designed specifically for installations where the supply must be maintained for 1 hour at 300°C. Craig and Derricott's F300 range can withstand 300°C for 2 hours.

F200 Fire Rated

The F200 Fire Rated product range is designed specifically for installations where the supply must be maintained for 2 hours at 200°C.