Home / B&R / ACOPOSinverter P77 - 3-phase 340 to 528 V / B&R 8I77T403700.0P-000 – ACOPOSinverter P77, 3x 340-528 V; 37 kW (heavy duty)

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B&R 8I77T403700.0P-000 – ACOPOSinverter P77, 3x 340-528 V; 37 kW (heavy duty)

Name: B&R 8I77T403700.0P-000 – ACOPOSinverter P77, 3x 340-528 V; 37 kW (heavy duty)
Brand: B&R
SKU: 8I77T403700.0P-000

MPN: 8I77T403700.0P-000 · Brand: B&R

Price on request

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12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

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Quick facts

Availability	Confirmed on request
Category	ACOPOSinverter P77 - 3-phase 340 to 528 V
Lifecycle	Active
Warranty	12-month (new) · 3-month (used/refurbished)
Weight	17.2 kg

Shipping & availability

When can 8I77T403700.0P-000 be shipped?

8I77T403700.0P-000 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 8I77T403700.0P-000 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 8I77T403700.0P-000 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 8I77T403700.0P-000, subject to availability and destination.

ACOPOSinverter P77, 3x 340-528 V; 37 kW (heavy duty), 91.2 A (@4kHz), 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

Accessories

Optional accessories (9)

8I0BR7R5.4K5-1	Braking resistors — ACPi P77 braking resistor 7.5 Ω 4.5 kW
8I0BR7R5.1K9-1	Braking resistors — ACPi P77 braking resistor 7.5 Ω 1.9 kW
8I0BR7R5.15K-1	Braking resistors — ACPi P77 braking resistor 7.5 Ω 15 kW
8I0XD070.402-1	Front covers — ACPi USB module - Blue "Standard line" (VPE 1) - Compatible with ACOPOSinverter P77
8I0XD070.400-1	Front covers — ACPi service display - Black "Standard line" (VPE 1) - Compatible with ACOPOSinverter P77
8I0FT069.57L-1	Input filters — ACPi long distance filter 3-ph 69 A
8I0CT080.570-1	Input filters — ACPi mains choke 3-ph 80 A
8I0CT090.570-1	Line choke — ACPi mains choke 3-ph 90 A
8I0CT063.570-1	Line choke — ACPi mains choke 3-ph 63 A

Specifications

General information

Certifications – CE	Yes
Certifications – UKCA	Yes
Certifications – UL	cULus E225616; Power conversion equipment

Motor power

Specified on nameplate

37 kW (50 HP)

Mains connection

Mains current – At 400 VAC	68 A
Mains current – At 480 VAC	68 A
Mains input voltage	3x 340 VAC -15% to 528 VAC +10%
Frequency	45 to 65 Hz ±5%
Apparent power (at 400 VAC)	51 kVA
Max. assumed short-circuit current (Isc); (short-circuit current at connection point)	65 kA " data-placement="top" data-html="true" data-container="body" data-content="With mains choke max. Isc 65 kA for 340/528 V.">
Power dissipation at nominal load and nominal clock frequency	840 W
Integrated EMC filter	Yes " data-placement="top" data-html="true" data-container="body" data-content="Inverter is provided with an integrated Category C2 EMC filter. This filter can be switched off.">

Line-conducted and radiated emissions

With integrated filter – Motor cable length per IEC/EN 61800-3 ; Cat. C2 environment 1 (public power network)	C2 level of 4 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 100 m cable; " data-placement="top" data-html="true" data-container="body" data-content="The selection table for the filters specifies maximum length for the shielded cables between motors and inverters. These maximum cable lengths only serve as a reference point since they depend on the capacity of the motors and the cables being used. The total length must be taken into account when motors are connected in parallel. These values apply at a nominal clock frequency of 4 kHz.">

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	100 m
Max. motor cable length – Non-shielded cable	200 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 (6 f-ranges) → Custom mode for 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	76 A " data-placement="top" data-html="true" data-container="body" data-content="These values apply at a nominal clock frequency of 4 kHz during continuous operation. The clock frequency can be set from 2 to 16 kHz. Above 4 kHz, reduce the nominal drive current. The nominal motor current is not permitted to exceed this value.">
Max. transient current for 15 s, 3-phase " data-placement="top" data-html="true" data-container="body" data-content="The inverter is designed for heavy-duty operation for a maximum of 15 seconds at 200% nominal current. For the values for light duty, see the configuration manual.">	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)	7.5 Ω
Max. output current	104 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 " data-placement="top" data-html="true" data-container="body" data-content="For additional information, see section "Communication / POWERLINK / General information / Hardware - CN" in Automation Help.">

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): 0.5% ; IE2 (0, 50): 0.7% ; IE2 (0, 100): 1.2% ; IE2 (50, 25): 0.5% ; IE2 (50, 50): 0.7% ; IE2 (50, 100): 1.3% ; IE2 (90, 50): 0.8% ; IE2 (90, 100): 1.6%
Energy efficiency (IE classification) – Nominal losses in standby mode	0.0%

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 " data-placement="top" data-html="true" data-container="body" data-content="Over 1000 m, load reduced by 5% per 1000 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

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	250 mm
Dimensions – Height	520 mm
Dimensions – Height without shield plate	450 mm
Dimensions – Depth	230 mm
Weight	17.2 kg

Downloads & documentation

Official documents from B&R, downloaded directly from the manufacturer.

Data sheets & manuals

ACOPOSinverter P77 User´s Manuel

ZIP · 46 MB · 1.00 (10/09/2025) - EN

CAD & dimension drawings

ACOPOSinverter P77 CAD 2D 3D

ZIP · 3 MB · 1.00 (07/04/2025)

Certificates (2)

Certificate ACOPOSinverter P77 Safety	ZIP · 688 KB · 1.00 (04/08/2025)
E225616 UL Certificate of Compliance ACOPOSinverter_P77	PDF · 499 KB · 1.00 (04/08/2025)

12-month warrantyon all new stock

3-month warrantyon used & refurbished parts

30-day returnsno restocking fee on unused parts

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