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Emerson SP3402 Variable Speed Drive – High-Efficiency AC Drive for Industrial Automation

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The Emerson SP3402 Inverter Drive is a robust variable speed/frequency drive designed for industrial applications requiring precise motor control. With its Safe Torque Off (STO) feature, it ensures safety in operations across various industries including manufacturing, HVAC, and more.

SKU: 16908974
Phone: +86 19066591275
Email: abbdcs36@gmail.com
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Brand:Emerson

Model:SP3402

Series:Unidrive SP

Type:Variable Speed Drive (VSD)

Power Output:22kW / 30HP

Rated Current:43A

Supply Voltage:380Vac-480Vac (3-phase input)

Frequency Range:0-550 Hz

Safety Features:Safe Torque Off (STO) – SIL3/PLe

Cooling Method:Air-cooled

Communication Capability:Modbus RTU / RS-485

Frame Size:3

Ambient Temperature:0°C…+40°C

Protection Rating:IP20 / NEMA 1

    The Emerson SP3402 Universal Unidrive SP AC Drive provides reliable and efficient motor speed control for industrial applications. With its high performance capabilities, it can handle a wide range of motor loads and operating conditions. This drive is designed to work seamlessly with other components in your automation system, thanks to its Modbus RTU / RS-485 communication interface.

    Key design features include Single Safe Torque Off (STO) for enhanced safety, SIL3/PLe certification for stringent safety standards, and air-cooling for extended durability. The SP3402 is equipped to operate within a broad temperature range, making it ideal for harsh environments. Its robust construction ensures long-lasting reliability, while its user-friendly design makes installation and maintenance straightforward.

    Whether you’re looking to improve process efficiency or reduce energy consumption, the Emerson SP3402 Universal Unidrive SP AC Drive is the perfect choice. It is designed to meet the demands of modern industrial automation while offering exceptional value and performance.

Emerson SP3402

Emerson SP3402

Emerson SP3402




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    About Us----Greens Automation

    We are a leading supplier in the industrial automation industry, specializing in providing high-quality DCS, PLC, robotic control systems, and large servo system spare parts. With a comprehensive range of products and a commitment to excellence, we empower businesses to achieve smarter, more efficient operations through cutting-edge automation solutions.

    Our Products

    DCS System Spare Parts: Genuine components for distributed control systems.

    PLC Modules: Reliable and high-performance solutions for seamless automation control.

    Robotic Control Systems: Precision components for advanced robotics.

    Large Servo System Spare Parts: High-quality parts to ensure optimal performance.


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    Specialized in Obsolete Parts: We provide hard-to-find, discontinued components to keep your systems running.

    Fast and Accurate Delivery: We ensure quick shipping and precise lead times to minimize downtime.

    Application scenario, multi-dimensional enabling

    Power energy: Ensure the stable operation of the DCS system of the power station, and help the smart grid upgrade.
    Petrochemical: Provides explosion-proof spare parts to meet safety requirements in harsh environments.
    Automotive manufacturing: Support high-speed response of robotic systems to optimize production line efficiency.
    Rail transit: Ensure the reliable operation of signal control system and protect the safety of travel.

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