Motor protection Protection by electronic thermal
functions
Instantaneous overcurrent
protection
Stops at approx. 250% of rated output current.
Overload protection Stops in 1 min at approximately 150% of rated output cur-
rent.
Overvoltage protection Stops when main-circuit DC voltage is approximately 410 V.
Undervoltage protection Stops when main-circuit DC voltage is approximately 160 V.
Momentary power interruption
compensation (selection)
None (Stops at 15 ms or longer.)
Select between continuing operation if power is restored
within approx. 0.5 s or continuing operation regardless of
length of interruption.
Radiation fin overheated Detected at 110°C ±10°C
Grounding protection Rated output current level protection
Charge indicator CHARGE indicator lights until the main circuit DC voltage
reaches 50 V or less.
Environ-
Location Indoors (with no corrosive gas, dust, etc.)
ment
Ambient operating temperature –10 to 50°C
Ambient operating humidity 95% max. (with no condensation)
Storage temperature –20 to 60°C
Altitude 1,000 m max.
Insulation resistance 5 MΩ min. (Do not carry out any insulation resistance or
withstand voltage tests.)
Vibration resistance 9.8 m/s
2
max. between 10 and 20 Hz, 2.0 m/s
2
max. be-
tween 20 and 50 Hz
Degree of protection Mounted in a panel (equivalent to IP20)
Design Chapter 1
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