Conformity with the International Safety Regulations
The Megatorque Motor Systems conform to the EC Directives (CE Marking) and Underwriters Laboratory
(UL) regulations.
Conformity with the EC Directives
The Megatorque Motor System is a machine component that conforms to provisions of the EC Low Voltage
Directive. This will help a user in easy conformity with the EC Directives (CE marking) of a machine into
which the Megatorque Motor System is incorporated.
EMC command (applicable standards: EMI EN55011 and EMS EN61000-6-2)
NSK defined installation models (conditions) for the Megatorque Motor PS/PN Series, including
installation space and wiring between Driver Units and Motors, and set EMC command standards based
on 4 [m] cable models, which have been certified by TÜV.
When Megatorque Motor PS/PN Series is incorporated into machinery, real-world installation and/or
wiring conditions may differ from those of established models. Therefore, it is necessary to check for
EMC command compliance (especially radiation and conduction noise) in the machinery incorporating
the PS/PN Series Motors. Compliance with UL Standards (PS/PN Series only).
Table 1: List of relevant standards for EMC Directive
Item Conformed regulation
Megatorque Motor EN60034-1
EN50178
Low Voltage
Directive
EN55011
: Group1, Class A Conducted noise
EN55011
: Group1, Class A: Radiated noise
EN61000-6-2
: Immunity standard for industrial
environments
EN61000-4-2
: Electro static discharge
EN61000-4-3
: Radio-frequency electromagnetic
field
EN61000-4-4
: Electric fast transit burst
EN61000-4-5
: Lightning surges
EN61000-4-6
: Radio frequency conducted
disturbance
EN61000-4-8
: Power frequency magnetic field
Motor / Driver Unit
EN61000-4-11
: Voltage dips and short interruption
Electromagnetic
Compatibility
Directive
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