Revolutionary AC Motor Speed Control Solution: 48v , Maximum 400A Current Handling A5S For AC Motor Controller
Ac Motor Speed Control 48V current max 400A A5S For AC Motor controller
Product Insight:
Introducing the A5S series, an innovative solution for optimizing AC motor performance in on-vehicle traction and hydraulic applications. Engineered with state-of-the-art technology, it offers exceptional power, precision, and reliability at an affordable price point.
Featuring patented advancements, the A5S series ensures prolonged lifespan and enhanced performance. With advanced vector control and motor identification technology, it enables seamless torque management across various speed ranges.
Versatile Applications:
Suitable for a wide range of utility vehicles including buggies, golf carts, electric cars, and material handling equipment like pallet trucks and forklifts.
Key Features:
Comprehensive Functionality
- Wide operating frequency range from 0 to 300Hz.
- Capable of delivering up to 400A output across 36-72V system voltages, ensuring sustained performance.
- Supports advanced braking and control features for enhanced safety and efficiency.
- Employs state-of-the-art vector control algorithm for optimized torque and efficiency.
- Allows for easy motor characterization without the need for removal, ensuring compatibility with all AC motor brands.
- Includes automatic temperature compensation and remote calibration for seamless operation.
- Utilizes advanced PWM techniques for reduced motor harmonics and enhanced efficiency.
Robust Safety and Reliability
- Features an insulated metal substrate power base for superior heat dissipation and increased reliability.
- Utilizes patented architecture for enhanced reliability and shoot-through capability.
- Equipped with dual microprocessors for maximum functional safety performance.
- Includes reverse polarity and short circuit protections for added safety.
- Comprehensive fault detection function with support for various fault scenarios.
- Sealed to IP65 standards for protection against dust and water ingress.
Simple & Flexible Integration
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Customizable programming to suit diverse EV OEM requirements.
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Compatible with PC Windows programming and offers intuitive diagnostic tools.
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Equipped with a buzzer alarm for instant diagnostics and fault identification.
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Supports CANbus and CANopen protocols for seamless integration.
Specifications
Content | Parameters |
Model | A5S-4351 | A5S-4401 |
Nominal Input Voltage | 48 | 48 |
2 Min RMS Current Rating (Arms) | 350A | 400A |
60 Min RMS Current Rating (Arms) | 150A | 175A |
Sensor | Incremental encoder |
Communication | CAN / Serial |
Operating Temperature | -30℃~55℃ |
Storage Temperature | -40℃~85℃ |
Insulation | 10MΩ Insulation resistance, 0.05mA leakage @ DC 500V In/Out on casing. |
IP Rating | IP65 |
Efficiency | 97% |
Cooling | Self-cooled |
Vibration Standard | GB/T2423 |
Control Method | IFO Vector |
Heatsink Requirement | Installed in well-ventilated or an air cooling system is required |
Motor Type | AC Induction Motor |
Typical Applications

Dimensions
