Atex-Certified Motor Overload Protection In The Case Of 3Rm11/3Rm13 Failsafe - Siemens 340 Manual

Description
3.5 Functions
3.5.2.3

ATEX-certified motor overload protection in the case of 3RM11/3RM13 Failsafe

Standards
Increased danger in hazardous areas means it is necessary to carefully observe the
following standards:
● EN 60079-14 / VDE 0165-1 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.
Certification of 3RM11/3RM13 Failsafe motor starters
The 3RM11 Failsafe and 3RM13 Failsafe motor starters are approved under Device
Group II, Category (2) in the area "GD" (areas in which explosive gas, steam, mist, air
mixtures and combustible dust are present):
* For the px applications, pressure and flow rate monitoring are additionally required for the
)
overpressure encapsulation systems.
Hazardous Voltage.
Can Cause Death, Serious Injury, or Property Damage.
Danger due to incorrect behavior
All work involved in connecting, commissioning and maintenance must be carried out by
qualified personnel.
32
WARNING
SIRIUS 3RM1 motor starter
Manual, 11/2013, A5E0345285095020A/RS-AB/002