SEL EX
Zone 21 and/or 22: combustible, conductive dust - enclosure: cast iron- material of roller: stainless steel - switching points: 5°..15° and 15°..35° (adjustable)
SEL EX xxx 2D : Devices for Zone 21 and 22 (2D) SEL EX xxx 3D : Devices for Zone 22 (3D) Certificates: Contact configuration: 2 Changeover contacts (SPDT), gold plated Ambient tempertature: -25°C up to +70°C Variants: Enhanced temperature range: -40°C up to +70°C (7xx)