Siemens 3UG4 - Safety information; 2.1 Standards

3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
17
Safety information
2
2.1
Standards
Applicable standards
The monitoring relays comply with the following standards:
Table 2- 1 Standards - monitoring relays
Device standards
• IEC / EN 60947-1 "Low-voltage switchgear and controlgear: General rules"
• IEC / EN 60947-4-1 "Contactors and motor-starters: Electromechanical
contactors and motor-starters"
• IEC / EN 60947-5-1 "Control circuit devices and switching elements:
Electromechanical control circuit devices";
VDE 0660 "Low-voltage switchgear"
• IEC / EN 61557-8 "Equipment for testing, measuring or monitoring of
protective measures - Electrical safety in low voltage distribution systems
up to 1000 V AC and 1500 V DC, Part 8: Insulation monitoring devices for
IT systems".
• DIN EN 50042 "Terminal marking"
• DIN EN 61869-2 "Instrument transformers -
Part 2: Additional requirements
for current transformers"
EMC standard
1)
• IEC / EN 61000-6-2 "Generic standards - Immunity for industrial
environments"
• IEC / EN 61000-6-4 "Generic standards - Emission standard for industrial
environments"
Resistance to
extreme climates
• IEC 60721-3-3 "Classification of environmental conditions"
The monitoring relays are climate-proof according to IEC 60721-3.
Touch protection
• IEC / EN 60529 "Degrees of protection provided by enclosures"
Monitoring relays are safe to touch in accordance with IEC / EN 60529.
1)
This is a device of Class A. When used in domestic areas, the device can cause radio
interference. Users may have to take suitable measures.
Reference
SIRIUS components have been approved by a whole range of bodies for various sectors
(shipbuilding, etc.). An up-to-date list of approvals appears in Chapter 10 of the Catalog
IC 10 - SIRIUS "Industrial Controls" (www.siemens.com/industrial-controls/catalogs), and
more information, as well as an option to download certificates, can be obtained on the
Internet (www.siemens.com/automation/csi_en).