Siemens SIRIUS 3UG4 User Manual

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 con‐
tactors and motor-starters"
• IEC / EN 60947‑5‑1 "Control circuit devices and switching elements: Electro‐
mechanical control circuit devices";
VDE 0660 "Low-voltage switchgear"
• IEC / EN 61557‑8 "Equipment for testing, measuring or monitoring of protec‐
tive measures - Electrical safety in low voltage distribution systems up to
1000 V AC and 1500 V DC, Part 8: Insulation monitoring devices for IT sys‐
tems".
• 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 en‐
vironments"
Resistance to ex‐
treme climates
• IEC 60721‑3‑3 "Classi󹪝cation 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" (
https://support.industry.siemens.com/cs/de/de/view/109747945/
en), and more information, as well as an option to download certi󹪝cates, can be obtained on the
Internet (https://support.industry.siemens.com/cs/ww/en/ps/16364/cert).
SIRIUS 3UG4 / 3RR2 monitoring relay
Equipment Manual, 07/2021, NEB927043002000/RS-AD/005 15

Siemens SIRIUS 3UG4 Specifications

General

Brand	Siemens
Model	SIRIUS 3UG4
Category	Relays
Language	English