B&R 8I44T200400.000-1
ACOPOSinverter S44, 3x 200-240 V, 4 kW, RS485 interface
Lifecycle & replacement
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Technical specifications
General information
| Certifications / KC | Yes |
Motor power
| Specified on nameplate | 4 kW 5 PS |
Mains connection
| Max. mains current / At 200 VAC | 23.8 A |
| Max. mains current / At 240 VAC | 19.9 A |
| Mains input voltage | 3x 200 VAC -15% to 240 VAC +10% |
| Frequency | 50 to 60 Hz ±5% |
| Apparent power (at 240 VAC) | 8.3 kVA |
| Max. assumed short-circuit current (Isc) (short-circuit current at connection point) | 5000 A |
| Power dissipation at max. output current | 128 W |
| Integrated EMC filter | No |
Motor connection
| Derating of continuous output current depending on ambient temperature / Clock frequency 4 kHz | No derating (up to 50°C) |
| Derating of continuous output current depending on ambient temperature / Other clock frequencies | The derating curves are included in the user's manual, which can be downloaded from the homepage (www.br-automation.com). |
| Derating of continuous output current depending on installation elevation / Starting at 1000 m above sea level | 1%, per 100 m |
| Max. continuous output current (In) / At 240 VAC | 16.7 A |
| Nominal clock frequency / Min. | 2 kHz |
| Nominal clock frequency / Max. | 16 kHz |
| Max. motor cable length / Shielded cable | 50 m |
| Max. motor cable length / Non-shielded cable | 100 m |
| Max. transient current for 60 s | 25 A |
| Output frequency range | 0.5 to 400 Hz |
| Nominal clock frequency | 4 kHz |
| Braking torque | Up to 70% of the rated motor torque without resistance |
| Motor control profiles | Standard profile (voltage/frequency ratio - U/f characteristic curve) Performance profile (flux vector control without encoder) Pump/fan profile (quadratic characteristic curve Kn²), |
| Main protective functions of inverter | Thermal protection against overheating Protection against short circuits between motor phases Overcurrent protection between motor phases and ground Protection against overvoltage and undervoltage on the mains supply Protection against mains phase failure on a 3-phase supply |
| Motor protection | Thermal protection through continually calculating the l²t value integrated in the inverter |
| Short-term overload torque | 150 to 170% of the rated torque depending on the inverter power and motor type |
Available internal power supplies
| Output voltage 5 VDC / Max. output current at 5 VDC | 10 mA |
| Output voltage 24 VDC / Max. output current at 24 VDC | 100 mA |
| Output voltage 5 VDC | 5 VDC ±5% |
| Output voltage 24 VDC | 24 VDC -15% / +20% |
Interfaces
| Type | Modbus RTU |
Digital inputs
| Electrical isolation / Input - ACOPOSinverter | Yes |
| Electrical isolation / Input - Input | No |
| Quantity | 4 |
| Nominal voltage | 24 VDC |
| Input circuit | Sink or source |
| Sampling time | <20 ms ±1 ms |
| Input impedance | 3.5 kΩ |
Analog inputs
| Electrical isolation / Input - Input | No |
| Electrical isolation / Input - ACOPOSinverter | Yes |
| Input impedance / Voltage | 30 kΩ |
| Input impedance / Current | 250 Ω |
| Quantity | 1 |
| Input | 0 to 5 V or 0 to 10 V or 0 to 20 mA |
| Resolution | 10-bit |
| Sampling time | <10 ms |
Digital outputs
| Electrical isolation / Output - ACOPOSinverter | Yes |
| Electrical isolation / Output - Output | No |
| Quantity | 1 |
| Nominal voltage | 24 VDC |
| Output circuit | Sink or source |
| Nominal output current | 10 mA (100 mA with external supply) |
| Update time | 20 ms ±1 ms |
Relay outputs
| Switching capacity / Max. / With resistive load (cos φ = 1 and L/R = 0 ms) | 4 A at 30 VDC / 3 A at 250 VAC |
| Switching capacity / Max. / With inductive load (cos φ = 0.4 and L/R = 7 ms) | 2 A at 30 VDC or 250 VAC |
| Switching capacity / Min. | 5 mA for 24 VDC |
| Electrical isolation / Output - ACOPOSinverter | Yes |
| Electrical isolation / Output - Output | No |
| Quantity | 1 |
| Variant | 1 N.O. contact and 1 N.C. contact with a common point |
| Nominal voltage | 30 VDC / 250 VAC |
| Response time (max.) | 30 ms |
Analog outputs
| Electrical isolation / Output - ACOPOSinverter | Yes |
| Electrical isolation / Output - Output | No |
| Max. load impedance / Voltage | 470 Ω |
| Max. load impedance / Current | 800 Ω |
| Quantity | 1 |
| Output | 0 to 10 V or 0 to 20 mA |
| Update time | <10 ms |
| Resolution | 8-bit |
Operating conditions
| Installation elevation above sea level | 0 to 1000 m |
| Degree of protection per EN 60529 | IP20 |
| Ambient temperature | -10 to 50°C |
| Max. ambient temperature | Up to +60°C |
| Relative humidity per IEC 60068-2-3 | 5 to 95%, non-condensing No dripping water |
| Maximum installation elevation | Up to 2000 m |
| Max. pollution degree per IEC/EN 61800-5-1 | 2 (non-conductive pollution) |
| Ambient conditions per IEC 60721-3-3 | Class 3C3 and 3S2 |
| Operating position | Vertical installation +/10% |
Ambient conditions
| Temperature / Storage | -25 to 70°C |
Mechanical properties
| Dimensions / Width | 140 mm |
| Dimensions / Height | 170 mm |
| Dimensions / Depth | 141.2 mm |
| Weight | 2 kg |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
3D CAD models
Get a quote for a replacement
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Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.