B&R 8I74T400400.00-000
ACOPOSinverter P74new, 3x 380-500 V, 4.0 kW, integrated EMC filter and brake chopper, shield plate included in delivery.
Lifecycle & replacement
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Technical specifications
General information
| Certifications / CE | Yes |
| Certifications / UL | UL E225616 Power conversion equipment |
| Certifications / CSA | CSA E272421 Industrial control equipment |
Motor power
| Specified on nameplate | 4 kW (5 HP) |
Mains connection
| Mains current / At 380 VAC | 13.7 A |
| Mains current / At 500 VAC | 10.5 A |
| Mains input voltage | 3x 380 VAC -15% to 500 VAC +10% |
| Frequency | 50 to 60 Hz ±5% |
| Apparent power (at 500 VAC) | 9.1 kVA |
| Max. assumed short-circuit current (Isc) (short-circuit current at connection point) | 5 kA |
| Inrush current | Max. 10 A |
| Power dissipation at nominal load and nominal clock frequency | 125 W |
| Integrated EMC filter | Yes |
Line-conducted and radiated emissions
| With integrated filter / Motor cable length per IEC/EN 61800-3 Cat. C1 environment 1 (public power network) | - |
| With integrated filter / Motor cable length per IEC/EN 61800-3 Cat. C2 environment 1 (public power network) | C2 level of 4 to 12 kHz with 5 m cable |
| With integrated filter / Motor cable length per IEC/EN 61800-3 Cat. C3 environment 2 (industrial power system) | 5 m |
| With add-on filter / Motor cable length per IEC/EN 61800-3 Cat. C1 environment 1 (public power network) | C1 level of 2 to 16 kHz with 20 m cable |
| With add-on filter / Motor cable length per IEC/EN 61800-3 Cat. C2 environment 1 (public power network) | C2 level of 2 to 16 kHz with 50 m cable |
| With add-on filter / Motor cable length per IEC/EN 61800-3 Cat. C3 environment 2 (industrial power system) | 50 m |
| With add-on filter | 8I0FT015.200-1 |
Motor connection
| Derating of continuous output current depending on ambient temperature / At nominal 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 installation instructions, 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 |
| Clock frequency / Min. | 2 kHz |
| Clock frequency / Max. | 16 kHz |
| Braking torque / With braking resistor | Up to 170% of the nominal motor torque |
| Max. motor cable length / Shielded cable | 50 m |
| Max. motor cable length / Non-shielded cable | 100 m |
| Motor control profiles / Induction motor | Sensorless vector control: 1. With V/f characteristic curve for constant torque → Default profile 2. With V/f characteristic curve for quadratically increasing torque → Energy-saving profile, e.g. for fans and pumps Sensorless slip control: 1. With V/f characteristic curve for constant torque → Default profile 2. With V/f characteristic curve for constant torque (6 f ranges) → Profile for individual special applications 3. With V/f characteristic curve for quadratically increasing torque → Energy-saving profile, e.g. for fans and pumps |
| Motor control profiles / Synchronous motor | Sensorless vector control: 1. With V/f characteristic curve for constant torque → Default profile |
| Nominal output current | 9.5 A |
| Max. transient current for 60 s | 14.3 A |
| Max. transient current for 2 s | 15.7 A |
| Output frequency range | 0.1 to 599 Hz |
| Nominal clock frequency | 4 kHz |
| Main protective functions of inverter | Thermal protection against power stage overheating Protection against short circuits between motor phases, overcurrent between output phases and ground, overvoltages on the DC bus, exceeding the speed limit. Safety function for: Overvoltage and undervoltage of the mains supply, mains phase failure with 3-phase power supply |
Brake chopper
| Integrated dynamic brake transistors | Yes |
| Min. resistance value (external) | 36 Ω |
24 VDC power supply
| Input voltage | 24 VDC (-15%/+20%) |
| Current | Max. 1.1 A |
Available internal power supplies
| Output voltage 24 VDC / Max. output current at 24 VDC | 100 mA |
| Output voltage 10 VDC / Max. output current at 10 VDC | 10 mA |
| Output voltage 24 VDC | 24 VDC (-15%/+20%) |
| Output voltage 10 VDC | 10 VDC (-0%/+10%) |
Interfaces
| POWERLINK / Type | Type 2 |
Digital inputs
| Input circuit / Current consumption | 7 mA |
| Electrical isolation / Input - ACOPOSinverter | Yes |
| Electrical isolation / Input - Input | No |
| Digital input 5 / Max. input frequency | 20 kHz |
| Quantity | 6 |
| Nominal voltage | 24 VDC (max. 30 V) |
| Input circuit | Source or sink |
| Sampling time | 8 ms ±0.7 ms |
| Input impedance | 3.5 kΩ |
Safe input - STO (Safe Torque Off)
| Input impedance / Current consumption | 16 mA |
| Switching threshold / Low | <2 V |
| Switching threshold / High | >17 V |
| Electrical isolation / Input - ACOPOSinverter | Yes |
| Electrical isolation / Input - Input | No |
| Quantity | 1 |
| Nominal voltage | 24 VDC |
| Input impedance | 1.5 kΩ |
| Input circuit | Sink |
| Sampling time | 4 ms |
Analog inputs
| Electrical isolation / Input - Input | No |
| Electrical isolation / Input - ACOPOSinverter | Yes |
| Input / Voltage | 0 to 10 V, ±10 V |
| Input / Current | 0 to 20 mA (or 4 to 20 mA) |
| Input impedance / Voltage | 30 kΩ |
| Input impedance / Current | 250 Ω |
| Quantity | 3 |
| Resolution | 10-bit |
| Sampling time | 2 ms |
Digital outputs
| Quantity | 1 |
| Nominal voltage | 24 VDC |
| Max. voltage | 30 VDC |
| Output circuit | Source or sink |
| Sampling time | 2 ms |
| Max. current | 100 mA |
Relay outputs
| Variant / Relay 1 | 1 changeover contact |
| Variant / Relay 2 | 1 normally open contact |
| Electrical isolation / Output - ACOPOSinverter | Yes |
| Electrical isolation / Output - Output | No |
| Quantity | 2 |
| Nominal voltage | 30 VDC / 250 VAC |
| Switching capacity | R1, with resistive load (cos phi = 1): 3 A at 250 VAC, R1, with resistive load (cos phi = 1): 4 A at 30 VDC, R1, R2, with inductive load (cos = 0.4 and L/R = 7 ms): 2 A at 250 VAC, R1, R2, with inductive load (cos = 0.4 and L/R = 7 ms): 2 A at 30 VDC, R2 with resistive load (cos phi = 1): 5 A at 250 VAC, R2 with resistive load (cos phi = 1): 5 A at 30 VDC |
| Response time (max.) | 2 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 | 2 ms |
| Resolution | 10-bit |
Operating conditions
| Degree of protection per EN 60529 | IP20 |
| 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 3S3 |
| Operating position | Vertical mounting orientation ±10% |
Ambient conditions
| Temperature / Operation | -10 to 50°C without derating 50 to 60°C with derating |
| Temperature / Storage | -25 to 70°C |
| Max. vibration resistance | 1 gn 13 to 200 Hz EN/IEC 60068-2-6 1.5 mm peak to peak 3 to 13 Hz EN/IEC 60068-2-6 |
Mechanical properties
| Dimensions / Width | 60 mm |
| Dimensions / Height | 317 mm |
| Dimensions / Depth | 245 mm |
| Weight | 2.176 kg |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
3D CAD models
Certificates
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Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.