B&R 8I77S200055.0P-000
ACOPOSinverter P77, 1x 170-264 V; 0.55 kW (heavy duty), 3.2 A (@8 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, 1-phase | 0.55 kW (0.75 HP) |
Mains connection
| Mains current / At 400 VAC | 7.6 A |
| Mains current / At 480 VAC | 7.6 A |
| Mains input voltage, 1-phase | 1x 170 to 264 V |
| Frequency | 45 to 65 Hz ±5% |
| Apparent power (at 400 VAC) | 1.2 kVA |
| Max. assumed short-circuit current (Isc) (short-circuit current at connection point), 1-phase | 65 kA |
| Power dissipation | 23 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) | C1 level of 2 to 16 kHz with 3 m cable |
| With integrated filter / Motor cable length per IEC/EN 61800-3 Cat. C2 environment 1 (public power network) | C2 level of 2 to 16 kHz with 20 m cable |
| With add-on filter / Motor cable length per IEC/EN 61800-3 Cat. C1 environment 1 (public power network) | C1 level of 4 to 8 kHz with 50 m cable |
| With add-on filter / Motor cable length per IEC/EN 61800-3 Cat. C2 environment 1 (public power network) | C2 level of 4 to 8 kHz with 50 m cable |
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 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 | 3.2 A |
| Max. transient current for 15 s, 1-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) | 100 Ω |
| Max. output current | 3.9 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 | 2.6 A |
| Output voltage 24 VDC | 24 VDC |
| Output voltage 10 VDC | 10 VDC (-0%/+10%) |
Interfaces
| Type | Type 3 |
Digital inputs
| Quantity | 5 |
| Nominal voltage | 24 VDC (max. 30 VDC) |
| Input circuit | Source or sink |
| Sampling time | 1 ms |
Safe input - STO (Safe Torque Off)
| Input impedance / Current consumption | SIA: 10 mA SIB: 7 mA |
| Electrical isolation / Input - ACOPOSinverter | Yes |
| Quantity | 2 |
| Nominal voltage | 24 VDC (max. 30 VDC) |
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) |
| Basic accuracy | At 25°C: ±0.1 mA At -10 to 60°C: ±0.1 mA |
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
| Quantity | 1 |
| Variant | 1 changeover contact |
| Nominal voltage | 24 VDC / 240 |
| Switching current range | Min. switching current: 10 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 | 2.2 kΩ |
| Max. load impedance / Current | 2.2 kΩ |
| Quantity | 1 |
| Output | 0 to 10 V or 0 to 20 mA |
| Basic accuracy | At 25°C: ±0.3 mA At -10 to 60°C: ±0.3 mA |
| Resolution | 12-bit |
Electrical properties
| Energy efficiency (IE classification) / Power dissipation relative to continuous apparent power | IE2 (0, 25): 1.6% IE2 (0, 50): 1.7% IE2 (0, 100): 1.9% IE2 (50, 25): 1.7% IE2 (50, 50): 1.7% IE2 (50, 100): 2.1% IE2 (90, 50): 1.8% iE2 (90, 100): 2.3% |
| Energy efficiency (IE classification) / Nominal losses in standby mode | 0.5% |
Operating conditions
| Degree of protection per EN 61800-5-1 | IP20 |
| Max. 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 | 60 mm |
| Dimensions / Height | 214 mm |
| Dimensions / Height without shield plate | 180 mm |
| Dimensions / Depth | 130 mm |
| Weight | 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.