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 +60°C
Variants:
Enhanced temperature range: -40°C up to +60°C (7xx)