Inverter
Power
supply
L1
L2
L3
N
L1/R
L2/S
L3/T
TT system
(neutral-point grounding)
G
Inverter
Power supply
L1
L2
L3
L1/R
L2/S
L3/T
TT system
(Compatible only
with single-phase grounding, 200-V type)
*2
G
*1. The following IT system power supply is supported.
When the power supply system
is not grounded at all
The insulation between the control interface and the main circuit of
the inverter is the basic insulation. Accordingly, do not connect the
SELV circuit directly from an external controller. (Connect using addi-
tional insulation.)
Install a ground fault detector, and cut off the power supply within
five seconds of a ground fault.
When the neutral point is
grounded through an impedance
When a single phase of the pow-
er supply is grounded through an
impedance
Not supported.
*2. TT systems to which a single phase of a 400 V power supply is directly grounded are not supported.
• A solid-state motor overload protection function (motor overload protection by electronic
thermal relay) is mounted on each model. The protection level can be set at function co-
des F10 to F12.
Compliance with EMC Directive and Low Voltage Directive
(Manufacturer)
OMRON Corporation (Manufacturer)
Shiokoji Horikawa, Shimogyo-ku, Kyoto 600-8530 Japan
(Importer)
OMRON Europe B.V. (Importer in EU)
Wegalaan 67-69, 2132 JD Hoofddorp, The Netherlands
Cautions when exporting to Europe
• Not all OMRON products in Europe are imported through the above importer. When a different im-
porter is exporting OMRON products to Europe, those importer is responsible to clarify their name
and address as an importer and clearly indicate to the customer.
Compliance with UKCA
The UK legislation require clear indication of the name and address of the manufacturer and importer
is compulsory. The importer must clearly indicate the importer name and address to the customer.
(Manufacturer)
OMRON Corporation (Manufacturer)
Shiokoji Horikawa, Shimogyo-ku, Kyoto 600-8530 Japan
(UKCA Contact)
2 Design
2-75
M1 Series Standard Type User's Manual (I669)
2-4 Others
2
2-4-2 Compliance with EU Directives and UKCA
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