B&R 8I77T200400.0P-000
ACOPOSinverter P77, 3x 195-264 V; 4 kW (heavy duty), 20.6 A (@4 kHz), integrated brake chopper, HTL encoder input onboard, 2-channel STO (SIL 3, PL e), POWERLINK hub with 2x RJ45, physical node number switches, shield plate included in delivery
Lifecycle & replacement
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Technical specifications
General information
| Certifications / CE | Yes |
| Certifications / UKCA | Yes |
| Certifications / UL | cULus E225616 Power conversion equipment |
Motor power
| Specified on nameplate | 4 kW (5 HP) |
Mains connection
| Mains current / At 400 VAC | 20.6 A |
| Mains current / At 480 VAC | 20.6 A |
| Mains input voltage | 3x 195 VAC -15% to 264 VAC +10% |
| Frequency | 45 to 65 Hz ±5% |
| Apparent power (at 400 VAC) | 6.4 kVA |
| Max. assumed short-circuit current (Isc) (short-circuit current at connection point) | 65 kA |
| Power dissipation at nominal load and nominal clock frequency | 115 W |
| Integrated EMC filter | No |
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 |
| 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. Voltage controlled with constant torque → Standard mode Sensorless slip control: 1. With V/f characteristic curve for constant torque → Standard mode 2. With V/f characteristic curve for constant torque (up to 6 f-ranges) → Mode 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. Voltage controlled with constant torque → Standard mode |
| Nominal output current | 16.5 A |
| Max. transient current for 15 s, 3-phase | 318 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) | 15 Ω |
| Max. output current | 26 A |
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 3 |
Digital inputs
| Quantity | 5 |
| Nominal voltage | 24 VDC (max. 30 VDC) |
| Input circuit | Source or sink |
| Sampling time | 8 ms ±0.7 ms |
Safe input - STO (Safe Torque Off)
| Input impedance / Current consumption | 16 mA |
| Electrical isolation / Input - ACOPOSinverter | Yes |
| Quantity | 2 |
| Nominal voltage | 24 VDC (max. 30 VDC) |
| Input impedance | 1.5 kΩ |
Analog inputs
| Electrical isolation / Input - Input | No |
| Electrical isolation / Input - ACOPOSinverter | Yes |
| Input / Voltage | AI1: 0 to 10 VDC |
| Input / Current | 0 to 20 mA (or 4 to 20 mA) |
| Input impedance / Voltage | 70 kΩ |
| Input impedance / Current | <250 Ω |
| Quantity | 2 |
| Basic accuracy | ±0.1 mA or 50 mV |
| Resolution | 12-bit |
| Sampling time | 1 ms |
Digital outputs
| Quantity | 1 |
| Nominal voltage | 24 VDC -20%/+20% |
| Max. voltage | 30 VDC |
| Output circuit | Source or sink |
| Sampling time | 1 ms |
| Max. current | 100 mA |
Relay outputs
| Variant / Relay 1 | 1 changeover contact |
| Quantity | 1 |
| Nominal voltage | 24 VDC / 240 VAC |
| Switching current range | Min. switching current: 5 mA at 24 VDC Max. Switching current: AC 240 V - 3 A DC 24 V - 2 A DC 240 V - 0.16 A |
Analog outputs
| Electrical isolation / Output - ACOPOSinverter | Yes |
| Electrical isolation / Output - Output | No |
| Max. load impedance / Voltage | ≥2200 Ω |
| Max. load impedance / Current | ≥2200 Ω |
| Quantity | 1 |
| Output | 0 to 10 V or 0 to 20 mA |
| Basic accuracy | ±100 mV or ±0.3 m |
| Resolution | 12-bit |
Electrical properties
| Energy efficiency (IE classification) / Power dissipation relative to continuous apparent power | IE2 (0, 25): 1.1% IE2 (0, 50): 1.3% IE2 (0, 100): 1.8% IE2 (50, 25): 1.2% IE2 (50, 50): 1.5% IE2 (50, 100): 2.2% IE2 (90, 50): 1.6% IE2 (90, 100): 2.5% |
| Energy efficiency (IE classification) / Nominal losses in standby mode | 0.1% |
Operating conditions
| Degree of protection per EN 61800-5-1 | IP20 |
| Relative humidity per IEC 60068-2-3 | <95%, non-condensing No dripping water |
| Maximum installation elevation | ≤1000 m without derating 1000 to 4000 m with Derating |
| Max. pollution degree per IEC/EN 61800-5-1 | 2 (non-conductive pollution) |
| Ambient conditions per IEC 60721-3-3 | Class 3C3 and 3S2 |
Ambient conditions
| Temperature / Operation | -10 to 45°C without derating 45 to 60°C with derating |
| Temperature / Storage | -25 to 60°C |
| Max. vibration resistance | Operation at switching frequency 2 or 4 kHz: Above +45°C reduce rated output current by 2.5%/°C EN 60721-3-3:1995 + A2:1997 Operation at switching frequency 8 or 16 kHz: Above +40°C reduce rated output current by 2.5%/°C EN 60721-3-3:1995 + A2:1997 |
Mechanical properties
| Dimensions / Width | 90 mm |
| Dimensions / Height | 278 mm |
| Dimensions / Height without shield plate | 250 mm |
| Dimensions / Depth | 130 mm |
| Weight | 2.1 kg |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
3D CAD models
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Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.