25
Main circuit
400V class
• At inverter ND rating setting
• At inverter LD/VLD rating setting
Note 1. The models described in the table are examples of selection. When using the device, choose a model that has appropriate
breaking capacity and sensitive current by taking short circuit current and relevant laws and regulations into consideration
based on the rated current shown in the table.
2. The applicable motor capacity is a selection example when standard motors 4-pole motor model 60HZ 200VAC (200V class)
is used.
3. The electric durability ensured when the magnetic contactor is used in AC-1 class is 500,000 times, while emergency stop
during motor operation is 25 times.
4. If there is emergency stop during motor drive or commercial operation is performed, choose the magnetic contactor on the
motor side in AC-3 class against the rated current of motor.
5. If the rated capacity of inverter is larger than the motor capacity, choose instruments based on the inverter model.
Model
3G3RX2
Applicable
motor
(kW)
Applicable instrument (input voltage 200 to 220V)
Without power factor improvement reactor
With power factor improvement reactor
(3G3AX-AL or 3G3AX-DL)
Earth-leakage breaker
(ELB)
Magnetic contactor
(MC)
Earth-leakage breaker
(ELB)
Magnetic contactor
(MC)
Example
of model
Rated
current
AC-1 AC-3
Example
of model
Rated
current
AC-1 AC-3
A4007 0.75 EX50C 5 HS8 HS8 EX50C 5 HS8 HS8
A4015 1.5 EX50C 10 HS8 HS8 EX50C 5 HS8 HS8
A4022 2.2 EX50C 10 HS8 HS8 EX50C 10 HS8 HS8
A4037 3.7 EXK50-C 15 HS8 HS10 EX50C 10 HS8 HS8
A4055 5.5 EXK50-C 20 HS8 HS20 EXK50-C 15 HS8 HS20
A4075 7.5 EXK50-C 30 HS8 HS25 EXK50-C 20 HS8 HS20
A4110 11 EXK50-C 40 HS20 HS35 EXK50-C 30 HS8 HS25
A4150 15 EXK50-C 50 HS25 HS50 EXK50-C 40 HS20 HS35
A4185 18.5 EXK100-C 75 HS35 HS50 EXK50-C 50 HS20 HS35
A4220 22 EXK100-C 75 HS50 H65C EXK60-C 60 HS35 HS50
A4300 30 EXK100-C 100 HS50 H80C EXK100-C 75 HS50 H65C
A4370 37 RXK125-S 125 H80C H100C EXK100-C 100 HS50 H65C
A4450 45 EXK225 150 H80C H125C RXK125-S 125 H65C H80C
A4550 55 EXK225 200 H100C H125C EXK225 150 H80C H100C
B4750 75 RXK250-S 250 H150C H200C EXK225 200 H100C H125C
B4900 90 EX400 300 H200C H250C EXK225 225 H125C H150C
B411K 110 EX400 400 H200C H300C EX400 300 H150C H250C
B413K 132 EX600B 500 H250C H300C EX400 350 H200C H250C
Model
3G3RX2
Applicable
motor
(kW)
Applicable instrument (input voltage 200 to 220V)
Without power factor improvement reactor
With power factor improvement reactor
(3G3AX-AL or 3G3AX-DL)
Earth-leakage breaker
(ELB)
Magnetic contactor
(MC)
Earth-leakage breaker
(ELB)
Magnetic contactor
(MC)
Example
of model
Rated
current
AC-1 AC-3
Example
of model
Rated
current
AC-1 AC-3
A4007 1.5 EX50C 10 HS8 HS8 EX50C 5 HS8 HS8
A4015 2.2 EX50C 10 HS8 HS8 EX50C 10 HS8 HS8
A4022 3.7 EXK50-C 15 HS8 HS10 EX50C 10 HS8 HS8
A4037 5.5 EXK50-C 20 HS8 HS20 EXK50-C 15 HS8 HS20
A4055 7.5 EXK50-C 30 HS8 HS25 EXK50-C 20 HS8 HS20
A4075 11 EXK50-C 40 HS20 HS35 EXK50-C 30 HS8 HS25
A4110 15 EXK50-C 50 HS25 HS50 EXK50-C 40 HS20 HS35
A4150 18.5 EXK100-C 75 HS35 HS50 EXK50-C 50 HS20 HS35
A4185 22 EXK100-C 75 HS50 H65C EXK60-C 60 HS35 HS50
A4220 30 EXK100-C 100 HS50 H80C EXK100-C 75 HS50 H65C
A4300 37 RXK125-S 125 H80C H100C EXK100-C 100 HS50 H65C
A4370 45 EXK225 150 H80C H125C RXK125-S 125 H65C H80C
A4450 55 EXK225 200 H100C H125C EXK225 150 H80C H100C
A4550 75 EX400 250 H150C H200C EXK225 200 H100C H125C
B4750 90 EX400 300 H200C H250C EXK225 225 H125C H150C
B4900 110 EX400 400 H200C H300C EX400 300 H150C H250C
B411K 132 EX600B 500 H250C H300C EX400 350 H200C H250C
B413K 160 EX600B 600 H400C H400C EX400 400 H250C H300C
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