ACH3 Inverters

Quality and reliability

Built for demanding commercial vehicle applications, ACH3 combines an IP6K9K-rated enclosure with advanced thermal management to deliver dependable performance in harsh on-road and off-road environments.

Flexible motor control

Support for induction, PMAC, and synchronous reluctance motors enables precise machine control through configurable torque, speed, current, and DC-voltage control strategies.

Safety certified

Designed with a functional safety architecture aligned with ISO 26262 and ISO 13849, helping simplify system integration while supporting modern vehicle safety requirements.

Cybersecurity

Developed according to ISO 21434 and prepared for UNECE R155 requirements, helping manufacturers implement secure communication, diagnostics, and software management practices.

ACH GEN 3

Compact high-voltage inverter family for scalable electrification

ACH3 is Inmotion's next-generation high-voltage inverter family, engineered for electric and hybrid vehicles requiring reliable traction, hydraulic pump, generator, ePTO, and auxiliary drive control. Available in multiple power classes and supporting nominal 400 V and 800 V architectures, ACH3 delivers scalable performance from light-duty electrification to demanding heavy-duty applications. With industry-leading efficiency, advanced functional safety, robust cybersecurity, and support for induction, PMAC, and synchronous reluctance motors, ACH3 helps OEMs standardize platforms while maintaining flexibility, durability, and future-ready vehicle performance..

Features

Specifications

Models

Industries

Rugged by Design

IP6K9K-rated construction and liquid-cooled thermal management support reliable operation in demanding on-road and off-road environments, helping vehicles perform in harsh operating conditions.

Flexible Motor Control

Control induction, permanent magnet AC (PMAC), and synchronous reluctance motors with support for four-quadrant operation and configurable torque, speed, current, and DC-voltage control modes.

Advanced Vehicle Software

Built on a configurable software platform that supports traction, generator, hydraulic pump, ePTO, brake chopper, and auxiliary electrification applications across a wide range of vehicles.

Functional Safety Ready

Developed with a functional safety architecture aligned with ISO 26262 and ISO 13849, helping OEMs simplify safety system integration and compliance efforts.

Vehicle-Ready Communication

Support for CANopen, CAN FD, and J1939 enables seamless integration with modern vehicle networks for diagnostics, calibration, software updates, and system control.

Scalable Power Platform

Available in multiple frame sizes from Dingo to Jackal, ACH3 supports applications ranging from compact electrification projects to high-performance commercial vehicle drivetrains.

Wide Voltage Flexibility

Operate across a broad 90-900 VDC range with support for both 400 V and 800 V vehicle architectures, reducing platform complexity across product lines.

Integrated Protection Functions

Comprehensive monitoring and protection features help safeguard the inverter and vehicle system from overvoltage, overcurrent, thermal events, and other operating faults.

Greater Than 99% Efficiency

Industry-leading efficiency helps maximize vehicle range, battery utilization, and overall system performance while reducing cooling demands.

Faster Diagnostics and Service

Integrated diagnostics, event logging, and communication tools simplify troubleshooting, reduce downtime, and support efficient fleet maintenance.

Designed for Future Vehicle Platforms

A modular, stackable architecture supports higher power configurations and multi-inverter systems, enabling OEMs to scale vehicle performance while leveraging a common inverter platform.

GENERAL
Compatible motor types	Induction machines, PMAC, Sync. reluctance
Motor feedback types	Resolver or incremental encoder/analog (sin-cos)
Control mode	Torque, speed or dc voltage control
Communication	CANopen, CAN FD, and J1939
CONNECTIONS
Logic connector	Automotive-grade sealed vehicle interface connector
Power connectors	High-current power terminals designed for 400 V and 800 V vehicle architectures
TEMPERATURE AND COOLING
Nominal WEG coolant temp/flow	60 °C @ 20l/min
Ambient operating temperature	-40 °C to 85 °C
Operating altitude	Up to 4,000 m standard (5,000 m with restrictions)
ELECTRICAL SAFETY AND EMC
Functional safety	Architecture aligned with ISO 26262 and ISO 13849
Cybersecurity	Developed according to ISO 21434 and prepared for UNECE R155
High voltage safety	According to ECE R100
EMC	According to ECE R10
RATINGS
ACH3-D	Operating DC voltage: 90-900 VDC Continuous current: 60 ARMS Peak current: 90 ARMS Continuous power: 30-59 kVA Peak power: 44-88 kVA
ACH3-F	Operating DC voltage: 90-900 VDC Continuous current: 130 ARMS Peak current: 190 ARMS Continuous power: 64-128 kVA Peak power: 93-186 kVA
ACH3-H	Operating DC voltage: 90-900 VDC Continuous current: 230 ARMS Peak current: 350 ARMS Continuous power: 113-226 kVA Peak power: 171-344 kVA
ACH3-J	Operating DC voltage: 90-900 VDC Continuous current: 400 ARMS Peak current: 600 ARMS Continuous power: 196-392 kVA Peak power: 295-590 kVA

TOUCH

Material Handling

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TOUCH

Construction

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Agriculture

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TOUCH

Truck and Bus

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Outdoor Power

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Marine

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ACH GEN3 High Voltage Inverters

Scalable high-voltage inverter platform for commercial electrification

ACH GEN 3

Rugged by Design

Flexible Motor Control

Advanced Vehicle Software

Functional Safety Ready

Vehicle-Ready Communication

Scalable Power Platform

Wide Voltage Flexibility

Integrated Protection Functions

Greater Than 99% Efficiency

Faster Diagnostics and Service

Designed for Future Vehicle Platforms

Do you have any questions?

Model	Nominal Voltage DC	Peak current* [ARMS]	Cont. current** [ARMS]	Peak power***	Cont. power***
40 D	400	90	60	44	30
40 F		190	130	93	64
40 H		350	230	171	113
40 J		600	400	295	196
80 D	800	90	60	88	59
80 F		190	130	186	128
80 H		350	230	344	226
80 J		600	400	590	392