Siemens SIRIUS 3RH Series, System Manual

Page: 101 / 786

SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
101
SIRIUS 3RT2 contactors/contactor assemblies
2
2.1 Standards
2.1.1 General regulations and standards
Applicable regulations, standards, and approvals
The general regulations and standards below apply to 3RT contactors and 3RH contactor
relays:
Table 2- 1 General regulations
Applications General regulations Explanation

IEC 60947-1

DIN EN 60947-1
Low-voltage switchgear and controlgear -
General rules

IEC 60947-4-1
 DIN EN 60947-4-1
Low-voltage switchgear and controlgear
Part 4-1: Electromechanical contactors and
motor-starters
 IEC 60947-5-1 Specifically for contactor relays: Control
circuit devices and switching elements;
Electromechanical control circuit devices
(including positively driven operation)
 UL 508
Industrial Control Equipment
3RT contactors and
3RH contactor relays
 CSA 22.2 14-95
Industrial Control Equipment
Table 2- 2 Applicable standards
Applications Applicable standards Explanation
 EN 60335-1
EN 60335, the latest standard for
household appliances, precludes the use
of plastics of flammability class HB.

EN 50155

DIN EN 60077
 IEC 61373
Standards for railway applications
 CSA B44.1 Elevator and Escalator Electrical
Equipment
 SEMI F47
Requirements of the semiconductor
industry for contactors
3RT contactors and
3RH contactor relays

EC 89/336/EEC
EC Directive "EMC"