Emerson Inverter Drive SP4402
Emerson SP4402 – Unidrive SP Series AC Drive
| Feature / Specification | Details |
|---|---|
| Product Name | Emerson SP4402 AC Drive |
| Manufacturer | Emerson / Control Techniques |
| Product Series | Unidrive SP |
| Input Voltage | 380 – 480 V AC (3-phase) |
| Power Rating | 37 kW (heavy duty) / 45 kW (standard) |
| Horsepower | 60 HP |
| Output Frequency | 0 – 550 Hz |
| Current Rating | 74 – 83 A |
| Control Modes | Open loop vector, closed loop vector, servo, regenerative |
| Analog I/O | 3 analog inputs, 2 analog outputs |
| Digital I/O | 6 digital inputs, 4 digital outputs |
| Protection Class | IP20 |
| Operating Temperature | 0 to 40°C |
Typical Applications & Industries:
✓ Multi-axis synchronization and tension control ✓ Metal processing (rolling mills, wire drawing)
✓ Plastic and rubber machinery (extruders, film blowing) ✓ Printing and packaging equipment
✓ DC drive replacement and energy-saving retrofits ✓ Heavy industrial motor control
Detailed Description – Emerson SP4402
The Emerson SP4402 is a high-performance AC drive from the Unidrive SP series, manufactured by Control Techniques (an Emerson brand) . It is engineered for complex motor control applications requiring precise speed, torque, and position regulation in demanding industrial environments.
Key Features
Advanced Motor Control – The SP4402 supports multiple control modes including open-loop vector, closed-loop vector, servo control, and regenerative control . This flexibility enables it to handle everything from simple speed regulation to high-precision servo positioning tasks.
Powerful Performance – With a rated active power capacity of 37 to 45 kilowatts (60 HP) and current ratings of 74 to 83 amperes, the SP4402 delivers robust performance for heavy-duty industrial applications .
Modular Architecture – The Unidrive SP platform features a modular design that allows users to configure the drive with various option modules for communication (Profibus, DeviceNet, CANopen, Ethernet) and feedback interfaces . This ensures seamless integration into existing control systems and simplifies future upgrades.
Flexible I/O Configuration – The drive includes 3 analog inputs, 2 analog outputs, 6 digital inputs, and 4 digital outputs as standard, providing comprehensive connectivity for control and monitoring signals .
Industrial-Grade Construction – Housed in Frame Size 4 with an IP20 protection rating, the SP4402 is designed for cabinet-mounted installation in industrial control environments .
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