Siemens 3RS2

ATEX
3
3.1 Safety and commissioning instructions for hazardous areas
Carefully observe the following information and standards where there is an increased level of
danger in hazardous areas:
• EN 60079-14/VDE 0165-1 for electrical apparatus for explosive gas atmospheres
• EN 60079-17 Inspection and maintenance of electrical installations in hazardous areas
• EN 50495 Safety devices required for the safe functioning of equipment with respect to
explosion risks
Types of protection:
• Dust:
– Protection by enclosure "t", EN 60079-31
– Pressurized enclosure "p", EN 60079-2
– Protection by encapsulation "m", EN 60079-18
– Control of ignition sources "b", EN 80079-37 Liquid immersion "k", EN 80079-37 Special
protection "s", EN 60079-33
• Gas:
– Flameproof enclosures "d", EN 60079-1
– Increased safety "eb", EN 60079-7
– Pressurized enclosure "p", EN 60079-2
– Encapsulation "m", EN 60079-18
– Powder 󹪝lling "q", EN 60079-5
– Oil immersion "o", EN 60079-6
– Control of ignition sources "b", EN 80079-37 Liquid immersion "k", EN 80079-37 Special
protection "s", EN 60079-33
DANGER
Operate these devices outside the ATEX zone only!
These devices do not have explosion protection type "i" (intrinsic safety). For this reason, they
must only ever be used outside the hazardous (ATEX) zone.
3RS2 temperature monitoring relay
Equipment Manual, 02/2022, A5E42462552002A/RS-AB/002 15