SJ Series P1 Inverter｜High Torque at Low Speed with Color LCD for Industrial Motor Control

The SJ Series P1 Inverter from Hitachi is engineered for advanced drive performance in industrial settings. With its high-torque control at low speeds, it offers reliable operation for equipment that requires slow but powerful starts, such as conveyors, mixers, and energy systems.
The unit’s standout feature is its color LCD operator panel—which supports Japanese character display and offers intuitive navigation for setup, monitoring, and diagnostics. Paired with programmable control functions and inter-inverter communication, it’s designed for flexible deployment in modern automation.
Hitachi Asia (Thailand) Co., Ltd., based in Bangkok, serves the Thai market and six other countries in Southeast Asia—ensuring local support and fast delivery.
■ Key Features
- Color LCD Operator Panel: Enhances visibility and usability for operators and maintenance staff.
- High Starting Torque: Achieves 200% torque at approximately 3 Hz, enabling precise control at low speeds.
- Wide Motor Compatibility: Supports both induction motors and permanent magnet (PM) motors.
- Built-in PLC Functionality (EzSQ): Allows logic-based automation without external controllers.
- Inter-Inverter Communication: Enables smart coordination across multiple inverters for advanced systems.
- Safety-Compliant: Conforms to IEC61508, EN/IEC 61800-5-2, SIL3 STO safety standards.
■ Technical Specifications
- Control Voltage: 24 VDC
- Motor Compatibility: Induction and PM motors
- Torque Output: 200% at \~3Hz
- Cooling Method: Forced air
- Safety Standards: IEC61508, EN/IEC 61800-5-2, SIL3 STO
- Applications:
- > Factory automation
- > Precision machinery
- > Energy management systems
- > Conveyor lines
- > Mixers and hoists
■ Why Choose SJ Series P1?
- Energy Efficient: Advanced drive algorithms reduce power usage during light loads.
- Ease of Maintenance: Removable display and intuitive menu simplify maintenance tasks.
- Modular Installation: Compact size and DIN rail options ease system integration.
- Industrial Reliability: Engineered for 24/7 operation in harsh factory conditions.
📄 For more details, download the product PDF or contact our technical team.
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