HRZX91 Explosion-proof Position Switches



The switches have a wide range of applications for every need due to the possibility of choosing from 5 different types of this model.


The HRZX91 switches are ATEX-certified, proving that the switches are safe for use in hazardous areas. Due to their design, the switches do not emit sparks that could ignite gases in the environment.

HRZX91 switches have been tested and ATEX certified


Technical data

Safety certificates Global (IECEx): NEP 20.0010X

Gas and dust: Ex db IIC T6 Gb

Europe(ATEX): PTB 20 ATEX 1010X

Gas and dust: II 2 G Ex db IIC T6 Gb

II 2 D Ex tb IIIC T80°C Db IP66

Enclosure Copper-free Aluminium Alloy, powder coaled surface
Exposed fastener Stainless steel
Conectors type 1NO+1NC or 2NO or 2NC
Swing angle or distance of roller arm HRZX91-D: 180°,

HRZX91-Z: 6,5mm,

HRZX91-L: 6,5mm,

HRZX91-K: 180°,

HRZX91-N: 180°

Rated voltage 240V AC / 250V DC
Rated current 3A AC / 0,27A DC
Protection degree IP66
Internal/external earthing M4 / M4
Ambient temperature -60°C/+60°C
Cable entries 1 x M20 x 1,5
Dimensions Available in documents

Technical documents:







Declaration of conformity: