New Range Of Fire-rated Isolator Switches From Lewden

LewdenFireRatedIsolatorLewden have produced a range of fire-rated isolator switches that are ideal for commercial and industrial facilities where a maintained electrical power is vital to allow the safe evacuation of public areas in the event of fire.

These fire-rated isolator switches have been manufactured using high quality aluminium alloy and they contain a highly visible handle that has been patented by Palazzoli and allows even ‘non-expert’ users to understand the switch status of the unit easily in the case of emergency. The units are AC3-AC23A rated to guarantee safe operation, even with highly inductive loads and they also have customisable entry flanges thanks to blind or threaded flanges from Lewden’s Allupres range.

With an IP66/67/55 rating for use in the most arduous conditions, these robust fire-rated switches also have an impact standard of IK10. The switches conform to standards IEC/EN 60947-3, IEC/EN 60947-5-1 and EN 12101-3 and have an operating temperature of -25°C - +70°C.

The range includes 16A, 25A, 40A and 63A options in 3, 4 and 6 pole variants in addition to a 125A option in 3 & 4 pole variants. Accessories include flat flanges, in aluminium alloy with metric threading for windowed walls and cable glands in insulating material with metric threading and an IP68 rating.


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