1 installation regulations, 1 for the 1-sensor variant, 2 for the 2-sensor variant – JUMO 14597 safetyM STB/STW Ex - Safety Temperature Limiter and Safety Temperature Monitor Operating Manual User Manual
Page 75: Installation regulations, For the 1-sensor variant, For the 2-sensor variant, 7 atex
7 ATEX
69
7.1.0.1
Installation regulations
If electrical apparatus is used in plants and ambient conditions with greater safety requirements, the obligations of the applica-
ble installation regulations according to EN 60079-14 "Explosive atmospheres – Part 14: Electrical installations design, selec-
tion and erection" are to be considered along with other applicable requirements.
7.2
Identification markings according to ATEX directive 94/9/EC:
7.2.1
For the 1-sensor variant:
7.2.2
For the 2-sensor variant:
Figure 5: Explanation of the printed characters:
V
DANGER!
Ex approval becomes null and void in the case of non-intended use of the JUMO safetyM STB/STW Ex or non-
compliance with the safety requirements of this Operating Manual.
II (1) (2) (3) G (b1) [Ex ia Ga] [e pz] IIC
II (1) (2) (3) D (b1) [Ex ia Da] [p Dc] IIIC
II (1) (1) (2) G (b2) [Ex ia Ga] [e py] IIC
II (1) (1) (2) D (b2) [Ex ia Da] [p Db] IIIC