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4-28
4-3 Wiring Conforming to EMC Directives
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
4
System Design
Surge Absorber
Use surge absorbers to absorb lightning surge voltage and abnormal voltage from power supply
input lines.
When selecting surge absorbers, take into account the varistor voltage, the surge immunity and
the energy tolerated dose.
For 200-VAC systems, use surge absorbers with a varistor voltage of 620 V.
The surge absorbers shown in the following table are recommended.
Note 1. Refer to the manufacturers' catalog for operating details.
Note 2. The surge immunity is for a standard impulse current of 8/20
s. If pulses are wide, either
decrease the current or change to a larger-capacity surge absorber.
External Dimensions
Equalizing Circuits
Manufacturer
Model
Surge immunity
Type
Comment
Okaya Electric
Industries Co.,
Ltd.
R•A•V-781BWZ-4
700 V
20%
2500
A
Block
Single-phase 100/
200 VAC
Okaya Electric
Industries Co.,
Ltd.
R•A•V-781BXZ-4
700 V
20%
2500
A
3-phase 200 VAC
1 2 3
28
4.5
28.5
11
5.5
φ
4.2
41
200
For 3-phase (BXZ series)
For single-phase (BWZ series)
2
1
28
4.5
28.5
11
5.5
φ
4.2
41
200
(1)
(2) (3)
For 3-phase (BXZ series)
For single-phase (BWZ series)
(1)
(2)
Содержание OMNUC G5 R88D-KN series
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