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Hawke introduce SK-Series enclosures

SK-Series enclosure

Fire-protection option adds to safety of hazardous-area stainless steel electrical enclosures

HAZARDOUS-area electrical connection and termination specialists Hawke International have added a fire-protection option to their enclosure range.

The robust S-Series stainless steel enclosure, for cable termination in demanding environments, is now available with a K-Mass fire-protective coating.

 

The new SK-Series enclosures provide safety with up to 30 minutes fire protection at 1,093 degrees C.

The new enclosures are designed to protect critical systems during the early stages of a fire as well as giving reliable every-day environmental protection for electrical equipment in Zone 1, 2, 21 and 22 hazardous environments.

In addition to fire protection, the enclosures are suited to any environment where there are potentially explosive gasses and dusts.

The K-Mass insulation is a two-part polyamide cured epoxy that is moulded on to the stainless steel case in a quality-assured factory process.

Insulation is only activated if there is a fire, whereupon the outer layer expands and chars to minimize heat transmission, keeping the internal temperature within the enclosure below 60 degrees C (based on a 1,093 degree C hydrocarbon fire).

The K-Mass coating is resistant to sun, rain and salt spray, physically aggressive environments and chemicals including hydrocarbons, bases and acids, while the enclosures are IP66 rated for ingress protection and DTS01 rated for deluge protection.

Enclosures are suitable for control and instrumentation applications and are fitted with Hawke cable glands installed through a 3mm gland plate. Cable glands are shielded by a secondary K-Mass protected box, providing fire protection to the glands. The box is easily removed for periodic access and inspection of the glands.

The insulation has minimal effect on the thermal performance of the enclosure at normal temperatures, allowing dissipation of excess heat from electrical equipment. 

 

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