GM050/50A_EMERSON_PRODUCT_Easy Semiconductor Technology (Hong Kong) Limited 易擇半導體科技(香港)有限公司

The Emerson SP4401 (Unidrive SP series) is a VFD with: 3-phase 380-480VAC input (342-528VAC range) 0-480VAC output, 68A normal duty current 30kW (50hp) motor rating, 0-3000Hz frequency range Induction/servo/synchronous motor control, active front-end Modbus RTU standard, expandable with Profibus/DeviceNet/CANopen Built-in Class A EMC filter, IP20 protection Over-current/voltage/undervoltage protection

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DESCRIBE

The Emerson SP4401, part of the Unidrive SP series, is a high - performance AC drive. Here are its brief parameters:
Input Voltage: 3 - phase, 380 - 480VAC (varies by source, some state 342 - 528VAC or 460VAC)
Input Frequency: 50/60Hz
Output Voltage: 0 - input voltage (e.g., up to 480VAC)
Output Current: Normal duty - 68A; for 30kW model, output current around 60A (heavy duty)
Power Rating: Suitable for motors up to 30kW (or 50hp in some references)
Frequency Range: 0 - 3000Hz
Control Modes: Supports induction, servo, and synchronous motor control; has active front - end control for harmonic elimination and energy regeneration
Communication: Equipped with Modbus RTU as standard; can be expanded with various bus modules like Profibus, DeviceNet, CANopen, etc.
Filter: Built - in A - class EMC filter to reduce electromagnetic interference
Protection: Offers over - current, over - voltage, under - voltage protection
Mounting: Can be surface - mounted, panel - mounted, or installed on a DIN - rail
Enclosure: Protection class IP20 (assumed based on common industrial drive standards if not otherwise specified)

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