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YASKAWA A1000 Series Technical Manual

YASKAWA A1000 Series
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2.1 Section Safety
YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 Technical Manual 39
Mechanical
Installation
2
NOTICE
The current rating differs for a motor with variable pole pitches differs from a standard motor.
Check the maximum current of the motor before selecting the drive capacity. Only switch motor poles when the motor
is stopped. Switching between motor during run will trigger overcurrent protection circuitry or result in overvoltage
from regeneration, and the motor will simply coast to stop.
When using an explosion-proof motor, it must be subject to an explosion-proof test in conjunction with the
drive.
This is also applicable when an existing explosion-proof motor is to be operated with the drive. Since the drive itself is
not explosion-proof, always install it in a safe place.
Never lift the drive up while the cover is removed.
This can damage the terminal board and other components.

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YASKAWA A1000 Series Specifications

General IconGeneral
SeriesA1000
TypeAC Drive
AltitudeUp to 1000m without derating
Output Frequency0-400 Hz
Control MethodV/f Control
Overload Capacity150% for 60 seconds
Communication OptionsModbus, DeviceNet, Profibus, Ethernet/IP
Ambient Temperature-10 to 50°C
Storage Temperature-20 to 60°C
Humidity5% to 95% (non-condensing)
Enclosure RatingIP20
Horsepower0.5 to 1000 HP
Power Range0.4 - 630 kW (varies by voltage and model)
Protection FeaturesOvercurrent, Overvoltage, Undervoltage, Overheat
Cooling MethodFan Cooled
SafetySafe Torque Off (STO)

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