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2. INSTALLATION
2-7
2
(2) Crimping terminals
Wire Size, Unit: mm
2
Terminal Screw Size Crimping Terminal Size
0.5 M3.5 1.25-3.5
0.75 M3.5 1.25-3.5
1.25 M3.5 1.25-3.5
M3.5 2-3.5
2
M4 2-4
3.5/5.5 M4 5.5-4
(3) No-fuse breakers, magnetic contactors
No-Fuse Breaker
Capacity (K)
With power factor
improving reactor
Without power factor
improving reactor
Magnetic Contactor
0.5 30AF/5A
1.0 30AF/10A
1.5 30AF/15A
S-N10
2.0 30AF/15A 30AF/20A S-N11, S-N12
3.5 30AF/30A S-N20
(4) Earth leakage circuit breakers
Selection method
Use the earth leakage circuit breaker which has harmonic/surge suppression.
Our product: Progressive Super Series NV-SF, NV-CF
Earth Leakage Circuit Breaker
Capacity (K)
With power factor
improving reactor
Without power factor
improving reactor
0.5 30AF/5A
1.0 30AF/10A
1.5 30AF/15A
2.0 30AF/15A 30AF/20A
3.5 30AF/30A
MEMO
Leakage currents from the wiring and motor include frequency components of a
higher degrees than those from the commercial power supply. Therefore, the earth
leakage circuit breaker which is not a harmonic/surge suppression product can
cause unnecessary operations.
<Measures against unnecessary operations>
•
Minimize the wiring distance of I/O cables.
•
Run I/O cables away (more than 30cm) from the earth.
•
Reduce the Pr. 72 "motor tone selection" setting.