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7. SPECIFICATIONS
7-2
7.1 Drive Unit Specifications
7.1.1 Standard specifications
(1) Rating specifications
MD-AX520- 0.5K 1.0K 1.5K 2.0K 3.5K
Applicable motor capacity (kW) 0.5 1.0 1.5 2.0 3.5
Overload capacity 150% 60s (inverse-time characteristics)
Max. value/time 150% 5s 100% 5s
Output
Regenerative
braking torque
Permissible duty 3%ED
Rated input AC voltage Three phase, 200V to 220V 50Hz, 200 to 230V 60Hz
Permissible AC voltage
fluctuation
170 to 242V 50Hz, 170 to 253V 60Hz
Permissible frequency fluctuation
±
5%
Power supply
Power supply system capacity
(kVA)
1.1 2.2 3.1 4.3 7.3
Protective structure Enclosed type (IP20)
Cooling system Self-cooling Air cooling
Approx. weight (kg) 2.0 2.5 3.5 3.5 3.5
MEMO
The rated output capacity and rated speed of the motor used with the drive unit
assume the rated input AC voltage indicated above. They cannot be guaranteed
when the power supply voltage drops.
The overload capacity indicated in % is the ratio of the overload current to the
motor's rated output.
The power supply system capacity varies with the values of the power supply side
impedances (including those of the input reactor and cables).
The drive unit cannot run multiple motors.