General information
KC Yes
Motor power
Specified on nameplate 4 kW
5 PS
Mains connection
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
Max. mains current
At 200 VAC 23.8 A
At 240 VAC 19.9 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)
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
Max. transient current for 60 s 25 A
Output frequency range 0.5 to 400 Hz
Nominal clock frequency 4 kHz
Nominal clock frequency
Min. 2 kHz
Max. 16 kHz
Braking torque Up to 70% of the rated motor torque without resistance
Max. motor cable length
Shielded cable 50 m
Non-shielded cable 100 m
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 5 VDC ±5%
Output voltage 5 VDC
Max. output current at 5 VDC 10 mA
Output voltage 24 VDC 24 VDC -15% / +20%
Output voltage 24 VDC
Max. output current at 24 VDC 100 mA
Type Modbus RTU
Digital inputs
Quantity 4
Nominal voltage 24 VDC
Input circuit Sink or source
Electrical isolation
Input - ACOPOSinverter Yes
Input - Input No
Sampling time <20 ms ±1 ms
Input impedance 3.5 kΩ
Analog inputs
Quantity 1
Input 0 to 5 V or 0 to 10 V or
0 to 20 mA
Electrical isolation
Input - Input No
Input - ACOPOSinverter Yes
Resolution 10-bit
Sampling time <10 ms
Input impedance
Voltage 30 kΩ
Current 250 Ω
Digital outputs
Quantity 1
Nominal voltage 24 VDC
Output circuit Sink or source
Electrical isolation
Output - ACOPOSinverter Yes
Output - Output No
Nominal output current 10 mA (100 mA with external supply)
Update time 20 ms ±1 ms
Relay outputs
Quantity 1
Variant 1 N.O. contact and 1 N.C. contact with a common point
Nominal voltage 30 VDC / 250 VAC
Switching capacity
Min. 5 mA for 24 VDC
With resistive load (cos φ = 1 and L/R = 0 ms) 4 A at 30 VDC / 3 A at 250 VAC
With inductive load (cos φ = 0.4 and L/R = 7 ms) 2 A at 30 VDC or 250 VAC
Response time (max.) 30 ms
Electrical isolation
Output - ACOPOSinverter Yes
Output - Output No
Analog outputs
Quantity 1
Output 0 to 10 V or 0 to 20 mA
Electrical isolation
Output - ACOPOSinverter Yes
Output - Output No
Max. load impedance
Voltage 470 Ω
Current 800 Ω
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
Storage -25 to 70°C
Mechanical properties
Width 140 mm
Height 170 mm
Depth 141.2 mm
Weight 2 kg
Material number:
ACOPOSinverter S44, 3x 200-240 V, 4 kW, RS485 interface
Optional Accessories
8I0XP003.100-1 Shield plate size 3, fastening clamps and screws included in delivery, for ACOPOSinverter S44 3x 200-240 V, 3-4 kW.
Automation Studio HW Upgrades Version (Date) Download
V3.0 HW Upgrade (8I44xxxxxxx.xxx-1) EXE / 11 MB
V4.0 HW Upgrade (8I44xxxxxxx.xxx-1) EXE / 11 MB
Certificates Version (Date) Download
E225616 UL Certificate of Compliance ACOPOSinverter PDF / 83 KB
Documentation Version (Date) Download
ACOPOSinverter S44 User´s Manual ZIP / 11 MB
M-CAD (Mechan. Templates) Version (Date) Download
3D file DXF/STEP 8I44_Size6 ZIP / 467 KB

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