Regulations And Standards; Conformance To Safety Standards - Omron K7GE-MG User Manual

Regulations and Standards

Conformance to Safety Standards

• For wiring from the Probe Unit to the load, use a Class CC, Class J, or Class T fuse with a rated
current of 7A or less.
• The protection provided by the device may be impaired if the device is used in a manner that is
not specified by the manufacturer.
• To use the Product, install it as an embedded device within a control panel.
• The table below shows the nominal voltage and measurement circuit connections available for
each measurement category in the Main Power Supply System Configurations. Do not use the
device under conditions that exceed this category and conditions.
CAT III
CAT II
Connection
to
measurement
circuit
Insulation Resistance Monitoring Device User's Manual (N224)
Main Power Supply System Configurations
3-phase, 4-wire type 3-phase,
(neutral point grounding) 3-wire type
TT (no grounding)
P1
P2
N
P3
E
E
TN-C-S
L1
L2
L3
PEN
N
PE
Phase voltage/line Line voltage
voltage 300 V
277 V/480 V
347 V/600 V in addition to 480 V in
the above addition to the
above
TT: Connect E in the diagram above
Connect E in the diagram to the No. 7 terminal (PE) of the
above to the No. 7 K7GE-MGM.
terminal (PE) of the Connect P1 and P2 to the No. 1
K7GE-MGM. and No. 3 terminals of the
Connect P1 and P2 to the K7GE-MG1.
No. 1 and No. 3 terminals
of the K7GE-MG1.
TN-C-S:
Connect PE in the
diagram above to the No.
7 terminal (PE) of the
K7GE-MGM.
Connect L1 and L2 to the
No. 1 and No. 3 terminals
of the K7GE-MG1.
3-phase,
3-wire type
(single-phase
grounding)
P1
P2
P3
E E E
Line voltage
300 V
480 V in
addition to the
above
Regulations and Standards
Single-phase, Single-phase
2-wire type (split phase),
AC or DC 2-wire type
AC or DC
P1 L1
P2
P3 L2
E E E E
Line voltage Phase
240 V voltage/line
voltage
240 V/480 V
480 V in Same as
addition to the above
above
Connect E in the diagram above
to the No. 7 terminal (PE) of the
K7GE-MGM.
Connect L1 and L2 to the No. 1
and No. 3 terminals of the
K7GE-MG1.
L1
N
L2
E
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