168
5 CHARACTERISTICS
5.5 Inrush currents at power-on of main circuit and control circuit
5.5
Inrush currents at power-on of main circuit and
control circuit
A molded-case circuit breaker and magnetic contactor may fail or malfunction due to an inrush current flowing through the
servo amplifier's power lines (input lines) at power on. Therefore, use products with the specifications described on the
following page.
Page 219 Molded-case circuit breakers, fuses, magnetic contactors
When circuit protectors are used, it is recommended that the inertia delay type, which is not tripped by an inrush current, be
used.
200 V class [G] [A]
The following shows the inrush currents (reference data) that will flow when 240 V AC is applied. Even when a 1-phase 200 V
AC power supply is used with MR-J5-10_ to MR-J5-200_, the inrush currents of the main circuit power supply will be the
same.
200 V class [WG]
The following shows the inrush currents (reference data) that will flow when 240 V AC is applied.
400 V class [G] [A]
Servo amplifier
Inrush currents (A
0-P
)
Main circuit power supply (L1/L2/L3)
Control circuit power supply (L11/L21)
MR-J5-10_
MR-J5-20_
MR-J5-40_
MR-J5-60_
17 A (attenuated to approx. 3 A in 20 ms)
20 A to 30 A (attenuated to approx. 1 A in 20 ms)
MR-J5-70_
MR-J5-100_
17 A (attenuated to approx. 7 A in 20 ms)
MR-J5-200_
24 A (attenuated to approx. 11 A in 20 ms)
MR-J5-350_
85 A (attenuated to approx. 10 A in 20 ms)
MR-J5-500_
42 A (attenuated to approx. 20 A in 20 ms)
34 A (attenuated to approx. 2 A in 20 ms)
MR-J5-700_
85 A (attenuated to approx. 20 A in 30 ms)
Servo amplifier
Inrush currents (A
0-P
)
Main circuit power supply (L1/L2)
Control circuit power supply (L11/L21)
MR-J5W2-22G_
MR-J5W2-44G_
23 A (attenuated to approx. 9 A in 20 ms)
20 A to 35 A (attenuated to approx. 3 A in 20 ms)
MR-J5W2-77G_
MR-J5W2-1010G_
36 A (attenuated to approx. 13 A in 20 ms)
MR-J5W3-222G_
MR-J5W3-444G_
23 A (attenuated to approx. 6 A in 20 ms)
Servo amplifier
Inrush currents (A
0-P
)
Main circuit power supply (L1/L2/L3)
Control circuit power supply (L11/L21)
MR-J5-60_4_
MR-J5-100_4_
21 A (attenuated to approx. 4 A in 10 ms)
40 A to 50 A (attenuated to approx. 0 A in 20 ms)
MR-J5-200_4_
26 A (attenuated to approx. 10 A in 10 ms)
MR-J5-350_4_
78 A (attenuated to approx. 10 A in 10 ms)
Содержание MELSERVO-J5 MR-J5-G Series
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