Type 4 Safety Light Curtains
Leuze COMPACT EX1/EX2

Fault free operation of adjacent devices with selection of different transmission channels!

Devices and protective systems must meet special requirement with use in explosion-risk areas. COMPACT EX1/EX2 devices are suited for being used up to EX zone 2 (gases). They are especially impressive due to their high interference immunity and availability. In addition to the requirements of machine safety, COMPACT EX1/EX2 also satisfy the provisions of ATEX Directive 94/9/EC. They can be used in industrial applications, however they cannot be used in pits.

COMPACT EX1
Built into pressure-resistant glass cylinders of Ex-protection rating “d”, these are suited for being used up to EX zone 21 (flammable dusts). The glass cylinder housed in the COMPACT EX1 Safety Light Curtain is firmly closed with a lid. Robust cable bushings in the lid safely enclose the cables suitable for explosion-risk areas, which are to be provided by the customer. The device complies as an electrical piece of apparatus of EX device group II, EX category 2.

COMPACT EX2
COMPACT EX2 devices with the “non-sparking” ignition protection type and special precautions on the transmitter and receiver housing are available in different models. These devices are suited for being used up to EX zone 22 (flammable, non-conductive dusts). Reinforced connecting front screens ensure that the housing remains sealed with mechanical influences, e.g. an impact or blow of some kind. Metal bushings enclose the cables suitable for explosion-risk areas, which are to be provided by the customer. COMPACT EX2 complies as an electrical piece of apparatus of EX device group II, EX category 3.