Sirius 3Rr2 Current Monitoring Relays; Standards - Siemens SIRIUS 3RT Series System Manual

SIRIUS 3RR2 current monitoring relays

8.1

Standards

8.1.1 Standards
Applicable standards
3RR21 analog setting current monitoring relays and 3RR22 digital setting current monitoring
relays meet the requirements of the following standards:
Table 8- 1
Device standards
EMC standard
Resistance to
extreme climates
Touch protection
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 20 of the Siemens
Low Voltage LV1 Catalog, and more information, as well as an option to download
certificates, can be obtained on the Internet
(http://www.siemens.com/automation/service&support).
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
Standards
IEC/EN 60947-5-1

IEC/EN 60947-4-1

3RR21/22 current monitoring relays also meet the requirements of EMC
standards.
3RR21/22 current monitoring relays are climate-proof according to IEC 60721-
3.
3RR21/22 current monitoring relays are safe to touch according to
DIN VDE 0106 Part 100. Terminal covers may have to be fitted onto the
connecting bars, depending on the assignment to other devices.
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