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10. CHARACTERISTICS
10 - 8
10.5 Inrush current at power-on
POINT
For a servo amplifier of 400 W or less, the inrush current values can change
depending on frequency of turning on/off the power and ambient temperature.
The following table indicates the inrush currents (reference data) that will flow when 240 V AC is applied at
the power supply capacity of 2500 kVA and the wiring length of 1 m. Even when you use a 1-phase 200 V
AC power supply with MR-JE-10B to MR-JE-200B, the inrush currents will be the same.
Servo amplifier
Inrush currents (A
0-P
)
MR-JE-10B, MR-JE-20B,
MR-JE-40B
32 A
(attenuated to approx. 3 A in 20 ms)
MR-JE-70B, MR-JE-100B
36 A
(attenuated to approx. 7 A in 20 ms)
MR-JE-200B, MR-JE-300B
102 A
(attenuated to approx. 12 A in 20 ms)
Since large inrush currents flow in the power supplies, always use molded-case circuit breakers and
magnetic contactors. (Refer to section 11.7.)
When circuit protectors are used, it is recommended that the inertia delay type, which is not tripped by an
inrush current, be used.
Содержание MR-JE-100B
Страница 9: ...A 8 MEMO...
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Страница 79: ...3 SIGNALS AND WIRING 3 44 MEMO...
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Страница 193: ...7 SPECIAL ADJUSTMENT FUNCTIONS 7 30 MEMO...
Страница 201: ...8 TROUBLESHOOTING 8 8 MEMO...