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SP3402

The Emerson SP3402 is a high-performance universal AC drive from the Unidrive SP series, manufactured by Control Techniques (part of Emerson). This model is a universal variable speed AC drive designed for both induction and servo motors, offering a flexible solution for a wide range of industrial applications

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Parameters Parameter Value Model SP3402 Series Unidrive SP Product Type Universal Variable Speed AC Drive Output Power 22 kW / 30 HP (Note: Some sources list 18.5kW, which may be a different configuration or rating) Rated Current 43A Supply Voltage 380V - 480V AC (3-phase) Frame Size Size 3 Output Frequency 0 - 550 Hz Control Modes Open-loop vector, Closed-loop vector (RFC), Servo mode for permanent magnet motors Key Features Modular construction, multi-encoder interface support, integral Modbus RTU, SmartCard for parameter storage, Soft PLC functionality, 24Vdc control supply for uninterrupted operation during AC power loss Communication Modbus RTU / RS-485 (standard) Supports additional fieldbus options via modules (Profibus DP, Ethernet, etc.) Safety Safe Torque Off (STO) Protection Rating IP20 / NEMA 1 Ambient Temperature 0°C to +40°C Cooling Method Air-cooled Motor Compatibility AC induction motors, permanent magnet synchronous motors, servo motors Special Features 48-96Vdc power input for emergency operation (e.g., elevator evacuation during power failure)