Available on request
B&R 8V128M.001-2 – Modular mechanical design using plug-in modules
MPN: 8V128M.001-2 · Brand: B&R
Price on request
Request a Quote
12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
Ships via
Quick facts
| Availability | Confirmed on request |
| Category | Servo drives |
| Lifecycle | Active |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
| Weight | 33.8 kg |
| Datasheet | Manufacturer datasheet ↗ |
Shipping & availability
When can 8V128M.001-2 be shipped?
8V128M.001-2 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up 8V128M.001-2 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for 8V128M.001-2 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 8V128M.001-2, subject to availability and destination.
• Modular mechanical design using plug-in modules
• Integrated line filter
• Integrated or optional external braking resistor
• Integrated electronic restart inhibit
• Partially-coated circuit boards - more robust in regard to environmental influences (8Vxxxx.001-2)
ACOPOS servo drive, 3x 400-480 V, 128 A, 64 kW, coated, integrated line filter, braking resistor, DC bus power supply unit and electronic safe restart interlock
Accessories
Optional accessories (18)
| 8X0030.00-1 | Shield component sets — ACOPOS shield component set for 8V1640.xxx-x and 8V128M.xxx-x |
| 8X0005.00-1 | Terminal block sets — ACOPOS accessories, connector set for 8V1640.00 and 8V128M.00 (3-phase) |
| 8B0W0079H000.001-1 | Braking resistors — Compact construction; High peak load capacity; Intrinsically safe; IP65 protection; Optimally suited for ACOPOSmulti power supply modules 8… |
| 8B0W0079H000.000-1 | Braking resistors — 8B0W external braking resistors can be used to dissipate braking energy with B&R drive systems. Compact design; High peak load capacity; In… |
| 8B0W0045H000.001-1 | Braking resistors — Compact design; High peak load capacity; Intrinsically safe; IP65 protection; Optimally suited for B&R drive systems Braking resistor, 450… |
| 8AC131.60-1 | Plug-in modules — Mixed module for installation in ACOPOS servo drives; 2 analog inputs with 12-bit resolution and a maximum of 2 digital inputs/outputs; Ind… |
| 8AC130.60-1 | Plug-in modules — Digital mixed module for installation in ACOPOS servo drives; Maximum of 8 digital inputs or 10 digital outputs; I/O configurable in pairs… |
| 8AC126.60-1 | Plug-in modules — EnDat 2.2 encoder interface for installation in ACOPOS servo drives; Encoder monitoring; Embedded parameter chip when used with B&R motors;… |
| 8AC125.61-2 | Plug-in modules — BiSS encoder interface (Mode C) for installation in ACOPOS servo drives; 6.25 Mbit/s, 12 V encoder supply; Encoder monitoring ACOPOS plug-i… |
| 8AC125.60-2 | Plug-in modules — BiSS encoder interface (Mode C) for installation in ACOPOS servo drives; Encoder supply 5 V; Encoder monitoring ACOPOS plug-in module, BiSS… |
| 8AC125.60-1 | Plug-in modules — BiSS encoder interface (Mode C) for installation in ACOPOS servo drives; Encoder supply 5 V; Encoder monitoring ACOPOS plug-in module, BiSS… |
| 8AC123.60-1 | Plug-in modules — Incremental encoder and SSI absolute encoder interface for installation in ACOPOS servo drives; Monitors encoder input signals; Encoder sup… |
| 8AC122.60-3 | Plug-in modules — Resolver interface for installation in ACOPOS servo drives; Monitors encoder input signals; Resolver type BRX ACOPOS plug-in module, resolv… |
| 8AC121.60-1 | Plug-in modules — HIPERFACE interface for installation in ACOPOS servo drives; Encoder monitoring ACOPOS plug-in module, HIPERFACE interface |
| 8AC120.60-1 | Plug-in modules — EnDat 2.1 encoder interface for installation in ACOPOS servo drives; Encoder monitoring; Also suitable for evaluating simple incremental en… |
| 8AC114.60-2 | Plug-in modules — POWERLINK interface for installation in ACOPOS servo drives; Integrated 2-port hub for easy wiring; For communication and configuration of… |
| 8AC110.60-3 | Plug-in modules — ACOPOS plug-in module, CAN interface |
| 8B0W0045H000.000-1 | Undefined — 8B0W external braking resistors can be used to dissipate braking energy with B&R drive systems. Compact design; High peak load capacity; In… |
Specifications
General information
| Certifications – CE | Yes |
| Certifications – UKCA | Yes |
| Certifications – CRA (Cyber Resilience Act) | Non-compliant |
| Certifications – Functional safety | Yes |
| Certifications – UL | cULus E225616; Power conversion equipment |
| Certifications – KC | Yes |
| Note | Variant with partially coated printed circuit boards |
| B&R ID code | 0xA09D |
| Slots for plug-in modules | 4 |
Mains connection
| Permissible network configurations | TT, TN " data-placement="top" data-html="true" data-container="body" data-content="TT and TN power systems are commonly referred to as "Delta/Wye with grounded wye neutral" in the USA."> |
| Mains input voltage | 3x 400 VAC to 480 VAC ±10% |
| Frequency | 50 / 60 Hz ±4% |
| Installed load | Max. 98 kVA |
| Inrush current at 400 VAC | 26 A |
| Switch-on interval | >10 s |
| Integrated line filter per EN 61800-3, category C3 " data-placement="top" data-html="true" data-container="body" data-content="Limit values from EN 61800-3 C3 (second environment)."> | Yes |
| Power dissipation at device nominal power without braking resistor | Approx. 3200 W |
DC bus connection
| DC bus capacitance | 6600 µF |
24 VDC power supply
| Current consumption at 24 VDC " data-placement="top" data-html="true" data-container="body" data-content="Current consumption depends on the respective configuration of the ACOPOS servo drive.<br>The inrush current is significantly higher than the value for current consumption and can be estimated according to the input capacitance."> – Mains input voltage applied | - " data-placement="top" data-html="true" data-container="body" data-content="If the mains input voltage is present (3x 400 VAC to 480 VAC ±10%), the 24 VDC supply voltage for the ACOPOS servo drive is generated by the internal DC bus power supply unit, reducing the 24 VDC current consumption (I<sub>24VDC</sub>) to 0."> |
| Current consumption at 24 VDC " data-placement="top" data-html="true" data-container="body" data-content="Current consumption depends on the respective configuration of the ACOPOS servo drive.<br>The inrush current is significantly higher than the value for current consumption and can be estimated according to the input capacitance."> – Mains input voltage not applied | Max. 5.7 A + 1.4 * (Current for motor holding brake + Current on 24 VDC output) |
| DC bus power supply unit – Switch-on voltage | 455 VDC |
| Input voltage | 24 VDC +25% / -20% |
| Input capacitance | 32,800 µF |
24 VDC output
| Output voltage – Mains input voltage applied | 22 to 24 VDC |
| Output voltage – Mains input voltage not applied | 16.7 to 30 VDC " data-placement="top" data-html="true" data-container="body" data-content="If the mains input voltage (3x 400 VAC to 480 VAC ±10%) is not present, the voltage on the 24 VDC output is generated from the 24 VDC power supply of the ACOPOS servo drive; in this case, it lies between the maximum permissible and the (reduced by a maximum of 2.5 V) minimum permissible 24 VDC power supply of the ACOPOS servo drive."> |
| Output current | Max. 0.5 A |
Motor connection
| Reduction of continuous current depending on ambient temperature – Switching frequency 5 kHz | No reduction " data-placement="top" data-html="true" data-container="body" data-content="Value for the nominal switching frequency."> |
| Reduction of continuous current depending on ambient temperature – Switching frequency 10 kHz | 1.65 A eff per °C (starting at 52°C) |
| Reduction of continuous current depending on ambient temperature – Switching frequency 20 kHz | 1.65 A eff per °C (starting at 12°C) |
| Reduction of continuous current depending on ambient temperature – Switching frequency 5 kHz | No reduction " data-placement="top" data-html="true" data-container="body" data-content="Value for the nominal switching frequency."> |
| Reduction of continuous current depending on ambient temperature – Switching frequency 10 kHz | 1.65 A eff per °C (starting at 36°C) |
| Reduction of continuous current depending on ambient temperature – Switching frequency 20 kHz | 1.65 A eff per °C (starting at 10°C) " data-placement="top" data-html="true" data-container="body" data-content="A maximum continuous current of 95 A<sub>eff</sub> is permissible with a mains input voltage of 480 VAC and switching frequency of 20 kHz. In addition, a reduction of the continuous current of 1.65 A<sub>eff</sub> per °C must be taken into account at ambient temperatures >10°C."> |
| Reduction of continuous current depending on installation elevation – Starting at 500 m above sea level | 12.8 A eff per 1000 m |
| Protective measures – Overload protection | Yes |
| Protective measures – Short-circuit and ground fault protection | Yes |
| Terminal connection cross section – With wire end sleeve | 10 to 70 mm² |
| Terminal connection cross section – UL/C-UL-US | 6 to 2/0 AWG |
| Terminal connection cross section – CSA | 6 to 2/0 AWG |
| Quantity | 1 |
| Continuous current " data-placement="top" data-html="true" data-container="body" data-content="Valid under the following conditions: mains input voltage 400 VAC, nominal switching frequency, 40°C ambient temperature, installation elevation <500 m above sea level."> | 128 A eff |
| Peak current | 300 A eff |
| Nominal switching frequency | 5 kHz |
| Possible switching frequencies | 5 / 10 / 20 kHz |
| Insulation stress of the connected motor per IEC TS 60034-25:2004 " data-placement="top" data-html="true" data-container="body" data-content="If necessary, the stress of the motor isolation system can be reduced by an additional externally wired dv/dt choke. For example, the RWK 305 three-phase dU/dt choke from Schaffner (www.schaffner.com) can be used. Important: Even when using a dv/dt choke, it is necessary to ensure that an EMC-compatible, low inductance shield connection is used!"> | Limit value curve A " data-placement="top" data-html="true" data-container="body" data-content="Only applies when using B&R motor cables and B&R motors."> |
| Max. motor line length | 25 m |
| Max. output frequency | 598 Hz " data-placement="top" data-html="true" data-container="body" data-content="The module's electrical output frequency (SCTRL_SPEED_ACT * MOTOR_POLEPAIRS) is monitored to protect against dual use in accordance with Regulation (EC) 428/2009 | 3A225. If the electrical output frequency of the module exceeds the limit value of 598 Hz uninterrupted for more than 0.5 s, then the current movement is aborted and error 6060 is output ("Power unit: Limit speed exceeded")."> |
Motor holding brake connection
| Response threshold for open-circuit monitoring | Approx. 210 mA |
| Max. output current | 3 A |
| Max. number of switching cycles | Approx. 80,000 |
Braking resistor
| Peak power int./ext. | 8.5 / 250 kW |
| Continuous power int./ext. | 0.24 / 24 kW " data-placement="top" data-html="true" data-container="body" data-content="Continuous power refers to the maximum braking power the ACOPOS servo drive can exchange continuously. Depending on the application, the actual continuous power provided by the external braking resistor is limited by the rated current of fuse I<sub>B</sub> (integrated in the ACOPOS servo drive), and the value of the external braking resistance R<sub>BR</sub>."> |
| Minimum braking resistance (ext.) | 2.5 Ω |
| Rated current of built-in fuse | 30 A (fast-acting) |
Limit switch and reference inputs
| Electrical isolation – Input - ACOPOS | Yes |
| Electrical isolation – Input - Input | No |
| Input voltage – Nominal | 24 VDC |
| Input voltage – Maximum | 30 VDC |
| Switching threshold – Low | <5 V |
| Switching threshold – High | >15 V |
| Quantity | 3 |
| Circuit | Sink |
| Input current at nominal voltage | Approx. 4 mA |
| Switching delay | Max. 2.0 ms |
| Modulation compared to ground potential | Max. ±38 V |
Enable inputs
| Electrical isolation – Input - ACOPOS | Yes |
| Input voltage – Nominal | 24 VDC |
| Input voltage – Maximum | 30 VDC |
| Switching threshold – Low | <5 V |
| Switching threshold – High | >15 V |
| Switching delay – Enable 0 → 1, ready for PWM | Max. 100 µs |
| Switching delay – Enable 1 → 0, PWM off | Max. 2.0 ms |
| Quantity | 1 |
| Circuit | Sink |
| Input current at nominal voltage | Approx. 30 mA |
| Modulation compared to ground potential | Max. ±38 V |
| OSSD signal connections " data-placement="top" data-html="true" data-container="body" data-content="OSSD (output signal switching device) signals are used to monitor signal lines for short circuits and cross faults."> | Not permitted |
Trigger inputs
| Electrical isolation – Input - ACOPOS | Yes |
| Electrical isolation – Input - Input | No |
| Input voltage – Nominal | 24 VDC |
| Input voltage – Maximum | 30 VDC |
| Switching threshold – Low | <5 V |
| Switching threshold – High | >15 V |
| Switching delay – Rising edge | 52 µs ±0.5 µs (digitally filtered) |
| Switching delay – Falling edge | 53 µs ±0.5 µs (digitally filtered) |
| Quantity | 2 |
| Circuit | Sink |
| Input current at nominal voltage | Approx. 10 mA |
| Modulation compared to ground potential | Max. ±38 V |
Electrical properties
| Energy efficiency (IE classification) " data-placement="top" data-html="true" data-container="body" data-content="The IE classification of the module is based on drive losses. This includes components such as EMC filters, etc. The power dissipation was determined at a switching frequency of 5 kHz (factory setting). Classification is performed at 90% of the frequency and at 100% of the continuous current. When operating the module in connection with an induction motor, the module is only permitted to be operated with a switching frequency of 5 kHz."> – Power dissipation relative to continuous apparent power " data-placement="top" data-html="true" data-container="body" data-content="Continuous apparent power S[VA] = √3 * U<sub>Mains</sub>[V<sub>rms</sub>] * I<sub>Mains</sub>[A<sub>rms</sub>]. IE2 notation (a; b) stands respectively for a load point with frequency a (as a percentage of the nominal frequency of the motor) and current b (as a percentage of the continuous current)."> | IE2 (10,25) 0.7% ; IE2 (50,25) 0.8% ; IE2 (10,50) 0.9% ; IE2 (50,50) 1% ; IE2 (90,50) 1.2% ; IE2 (10,100) 1.6% ; IE2 (50,100) 1.9% ; IE2 (90,100) 2.4% |
| Energy efficiency (IE classification) " data-placement="top" data-html="true" data-container="body" data-content="The IE classification of the module is based on drive losses. This includes components such as EMC filters, etc. The power dissipation was determined at a switching frequency of 5 kHz (factory setting). Classification is performed at 90% of the frequency and at 100% of the continuous current. When operating the module in connection with an induction motor, the module is only permitted to be operated with a switching frequency of 5 kHz."> – Nominal losses in standby mode | 38.6 W |
| Discharge capacitance | 5.4 µF |
Operating conditions
| Permissible mounting orientations – Hanging vertically | Yes |
| Permissible mounting orientations – Horizontal, face up | Yes |
| Permissible mounting orientations – Standing horizontally | No |
| Installation elevation above sea level – Nominal | 0 to 500 m |
| Installation elevation above sea level – Maximum " data-placement="top" data-html="true" data-container="body" data-content="Continuous operation of ACOPOS servo drives at an installation elevation from 500 m to 2000 m above sea level is possible (taking the specified continuous current reductions into account)."> | 2000 m |
| Pollution degree per EN 61800-5-1 | 2 (non-conductive pollution) |
| Overvoltage category per EN 61800-5-1 | II |
| Degree of protection per EN 60529 | IP20 |
Ambient conditions
| Temperature – Nominal | 5 to 40°C |
| Temperature – Maximum " data-placement="top" data-html="true" data-container="body" data-content="Continuous operation of the ACOPOS servo drive at an ambient temperature of 40°C to max. 55°C is possible taking the specified reduction of continuous torque into account, but this results in premature aging of components."> | 55°C |
| Temperature – Storage | -25 to 55°C |
| Temperature – Transport | -25 to 70°C |
| Relative humidity – Operation | 5 to 85% |
| Relative humidity – Storage | 5 to 95% |
| Relative humidity – Transport | Max. 95% at 40°C |
Mechanical properties
| Dimensions – Width | 402 mm |
| Dimensions – Height | 460 mm |
| Dimensions – Depth | 295 mm |
| Weight | 33.8 kg |
Downloads & documentation
Official documents from B&R, downloaded directly from the manufacturer.
Data sheets & manuals
| Datasheet 8V128M.001-2 | PDF · 4 MB · 1.8 (07/05/2021) - EN |
| Datasheet 8V1640.00-2 | PDF · 4 MB · 1.7 (07/05/2021) - EN |
| ACOPOS User´s Manual | PDF · 54 MB · 2.10 (05/23/2022) - EN |
| Safety Guidelines | PDF · 1 MB · 2.00 (11/17/2009) |
CAD & dimension drawings
| 3D file STEP ACOPOS 128M | ZIP · 3 MB · 3.0 (04/09/2011) |
Certificates (6)
| ACOPOS KC certificates | ZIP · 601 KB · 1.00 (04/03/2019) |
| E225616 UL Certificate of Compliance ACOPOS | PDF · 242 KB · 1.1 (09/11/2019) |
| EU Declaration FS Servos ACOPOS | PDF · 678 KB · 2024-02 (02/08/2024) |
| EU Declaration Servos ACOPOS | PDF · 271 KB · 2024-02 (10/29/2025) |
| UK Declaration FS Servos ACOPOS | PDF · 89 KB · 2022-07 (09/01/2022) |
| UK Declaration Servos ACOPOS | PDF · 109 KB · 2022-09 (09/08/2022) |
12-month warrantyon all new stock
3-month warrantyon used & refurbished parts
30-day returnsno restocking fee on unused parts
Global shippingFast, tracked delivery worldwide
More B&R parts
Available on requestB&R 8V1090.001-2 – Modular mechanical design using plug-in modulesMPN: 8V1090.001-2 · B&R
Price on request
Request a quote
Available on requestB&R 8V1180.00-2 – Modular mechanical design using plug-in modulesMPN: 8V1180.00-2 · B&R
Price on request
Request a quote
Available on requestB&R 8V1180.001-2 – Modular mechanical design using plug-in modulesMPN: 8V1180.001-2 · B&R
Price on request
Request a quote
Available on requestB&R 8V128M.00-2 – Modular mechanical design using plug-in modulesMPN: 8V128M.00-2 · B&R
Price on request
Request a quote
Available on requestB&R 8V1320.00-2 – Modular mechanical design using plug-in modulesMPN: 8V1320.00-2 · B&R
Price on request
Request a quote
Available on requestB&R 8V1320.001-2 – Modular mechanical design using plug-in modulesMPN: 8V1320.001-2 · B&R
Price on request
Request a quote
Available on requestB&R 8V1640.00-2 – Modular mechanical design using plug-in modulesMPN: 8V1640.00-2 · B&R
Price on request
Request a quote
Available on requestB&R 8V1640.001-2 – Modular mechanical design using plug-in modulesMPN: 8V1640.001-2 · B&R
Price on request
Request a quote