Zone 21 and /or 22: combustible, conductive dust - enclosure: Aluminum - material of roller: brass - switching points: 5°..15° and 15°..35° (adjustable)

HER EX xxx 2D : devices for Zone 21 and 22 (2D)

HER EX xxx 3D : devices for Zone 22 (3D) 

Certificates:                  

§  ATEX

§  IECEx

Contact configuration:   2 changeover contacts (SPDT, positive making, gold-plated)

Ambient Temperature:  -25°C up to 60°C

Variants:

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