B&R 8I44S100018.000-1
ACOPOSinverter S44, 1x 100-120 V, 0.18 kW, RS485 interface
Lifecycle & replacement
Lifecycle status not indexed
No manufacturer-published lifecycle data for B&R part numbers is indexed here yet. Ask IAC to check availability and an upgrade path.
IAC stocks legacy spares and exchange units and quotes upgrade paths. Send us the nameplate details and we will confirm a compatible replacement.
Technical specifications
General information
| Certifications / CE | Yes |
| Certifications / CRA (Cyber Resilience Act) | Evaluation ongoing |
| Certifications / UL | cULus E225616 Power conversion equipment |
| Certifications / KC | Yes |
Motor power
| Specified on nameplate | 0.18 kW 0.25 HP |
Mains connection
| Max. mains current / At 100 VAC | 6 A |
| Max. mains current / At 120 VAC | 5 A |
| Mains input voltage | 1x 100 VAC -15% to 120 VAC +10% |
| Frequency | 50 to 60 Hz ±5% |
| Apparent power (at 120 VAC) | 1 kVA |
| Max. assumed short-circuit current (Isc) (short-circuit current at connection point) | 1000 A |
| Power dissipation at max. output current | 18 W |
| Integrated EMC filter | No |
Line-conducted and radiated emissions
| With add-on filter / Motor cable length per IEC/EN 61800-3 Cat. C1 environment 1 (public power network) | ≤5 m |
| With add-on filter / Motor cable length per IEC/EN 61800-3 Cat. C2 environment 1 (public power network) | ≤20 m |
| With add-on filter / Motor cable length per IEC/EN 61800-3 Cat. C3 environment 2 (industrial power system) | ≤20 m |
| With add-on filter | 8I0FS011.100-1 |
Motor connection
| Derating of continuous output current depending on ambient temperature / Clock frequency 4 kHz | No derating (up to 40°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 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 120 VAC | 1.4 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 | 2.1 A |
| Output frequency range | 0.5 to 400 Hz |
| Nominal clock frequency | 4 kHz |
| Braking torque | Up to 70% of the nominal motor torque without resistance |
| Motor control profiles | Standard profile (voltage/frequency ratio - V/f characteristic curve) Power 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 in the mains supply |
| Motor protection | Thermal protection integrated in the inverter through continually calculating the l²t value |
| Short-term overload torque | 150 to 170% of the nominal motor torque depending on 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 | Source or sink |
| 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, 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 | Source or sink |
| Nominal output current | 10 mA (100 mA with external power 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 |
| Execution | 1 NO contact and 1 NC 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 40°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 mounting orientation ±10% |
Ambient conditions
| Temperature / Storage | -25 to 70°C |
Mechanical properties
| Dimensions / Width | 72 mm |
| Dimensions / Height | 142 mm |
| Dimensions / Depth | 102.2 mm |
| Weight | 0.7 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
Industrial Automation Co. stocks, sources, and repairs B&R parts — new, refurbished, or exchange units with warranty.
Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.