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Derating of continuous output current depending on ambient temperature
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Clock frequency 4 kHz
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No derating (up to 50°C)
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Other clock frequencies
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The derating curves are included in the installation instructions, which can be downloaded from the homepage (www.br-automation.com).
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Derating of continuous output current depending on installation elevation
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Starting at 1000 m above sea level
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1%, per 100 m
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Max. continuous output current (In)
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At 500 VAC
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5.5 A
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Max. transient current for 60 s
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8.3 A
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Output frequency range
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0.5 to 500 Hz
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Nominal clock frequency
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4 kHz
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Nominal clock frequency
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Min.
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2 kHz
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Max.
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16 kHz
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Short-term overload torque (typical value)
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170 to 200% of the rated motor torque
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Braking torque
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With braking resistor
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100% of the rated motor torque continually, up to 150% for 60 s
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Without braking resistor (typical value)
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30% of the rated motor torque
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Max. motor cable length
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Shielded cable
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50 m
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Non-shielded cable
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100 m
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Motor control profiles
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Standard profile (voltage/frequency ratio - U/f characteristic curve)
Performance profile (flux vector control without encoder)
Pump/fan profile (quadratic characteristic curve Kn²),
Energy saving profile (especially for ventilation)
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Main protective functions of inverter
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Thermal protection against overheating
Protection against short circuits between motor phases
Protection against mains phase failure on a 3-phase supply
Protection against motor phase failures
Overcurrent protection between motor phases and ground
Overvoltage and undervoltage protection on the mains supply
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Motor protection
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Thermal protection integrated in the inverter through continually calculating the l²t value
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