Junction boxes type “KS” (referred hereinafter as boxes) are designed for installation of terminal clamps (other devices on Customer’s request) in case of operation in areas with explosion hazard.
Application field – explosion hazardous areas of rooms and outdoor plants as per explosion protection marking.
Housing of boxes is made of aluminum alloy and has electroplated galvanic anti-corrosive and varnish-and-paint coating (fig. 1). Cable entries are welded into housing wall. Tightness of housings is provided by rubber sealing of cover and cable fittings. The housings have two grounding clamps (internal and external). Removable cover is fastened using hexagon head bolts. Housing mounting: four external mounting points. Round-section cables are applied. Mounting of cable wires is made using screw terminal clamps (two wires with 2 mm2 section into each clamp). Cable entries can be placed in one or two rows (fig. 2, 3).

Explosion protection marking – 1Ex db IIB T4 Gb.
Ingress protection degree rating – IP66. Ambient temperature – (-50…+60)°С.
Maximal voltage (АС, DC), V: 300.
Maximal curent intensity, A: 10.
Климатическое исполнение: УХЛ1.

Mounting : flush-mount
Protection level : IP66
Material : aluminum alloy
Other characteristics : outdoor