Operating Instruction - Frequency Inverter 230V / 400V ... - opis.cz

3.4 Frequency Inverter 400 V (18.5 up to 30.0 kW)TypeACT 401 -27 -29 -31Output. motor sideRecommended shaft output P kW 18.5 22.0 30.0Output current I A 40.0 45.0 60.0Long-term overload current (60 s) I A 60.0 67.5 90.0Short-term overload current (1 s) I A 80.0 90.0 120.0Output voltage U V 3 x 0 ... mains voltageDegree of protection - - Short circuit / earth fault proofRotary filed frequency f Hz 0 ... 1000, depending on switching frequencySwitching frequency f kHz 2. 4. 8Output brake resistormin. brake resistor (U dBC = 770 V) R Ω 16Input, mains sideMains current 2) 3ph/PE I A 42.0 50.0 58.0 1)Mains voltage U V 320 ... 528Mains frequency f Hz 45 ... 66Fuse 3ph/PE I A 50 63UL-Type 600 VAC RK5. 3ph/PE I A 50 60MechanicsDimensions HxWxD mm 250x200x260Weight (approx.) m kg 8Degree of protection - - IP20 (EN60529)Terminals A mm 2 up to 25Form of assembly - - verticalAmbient conditionsEnergy dissipation(2 kHz Switching frequency)P W 445 535 605Coolant temperature T n °C 0 ... 40 (3K3 DIN IEC 721-3-3)Storage temperature T L °C -25 ... 55Transport temperature T T °C -25 ... 70Rel. air humidity - % 15 ... 85; not condensingIf required by the customer, the switching frequency may be increased if the output current is reduced at thesame time. Comply with the applicable standards and regulations for this operating point.Output currentFrequency inverter nominal powerSwitching frequency2 kHz 4 kHz 8 kHz18.5 kW 40.0 A 40.0 A 40.0 A22 kW 45.0 A 45.0 A 45.0 A30 kW 60.0 A 1) 60.0 A 1) 60.0 A 1)1)Three-phase connection requires a commutating choke.2)Mains current with relative mains impedance ≥ 1% (see chapter„Electrical installation“)02/06 19