WEG SSW900D0412T6E4B - SOFT-STARTER SSW900D0412T6E4B
WEG

SSW900D0412T6E4B

UPC: 7909712687963

Contact for Pricing

Overview

The **WEG SSW900D0412T6E4B soft starter** is a high-performance electronic motor controller designed to deliver smooth, controlled acceleration and deceleration for three-phase induction motors in demanding industrial environments. Engineered by WEG, a global leader in electric motor and drive technology, this soft starter minimizes mechanical stress, electrical surges, and voltage sags during motor startup and shutdown, ensuring extended equipment lifespan and operational reliability. Unlike traditional direct-on-line (DOL) starters, the SSW900D0412T6E4B gradually ramps up motor voltage, eliminating damaging current spikes that can degrade windings, couplings, and connected machinery. This intelligent approach is critical for applications where mechanical shock or electrical instability could lead to costly downtime or premature component failure. **Key Features and Benefits** The SSW900D0412T6E4B soft starter incorporates advanced technologies to optimize motor performance while protecting critical infrastructure. Its **adjustable ramp times** allow engineers to tailor acceleration and deceleration profiles to specific load requirements, reducing wear on belts, gears, and bearings. Built-in motor protection features monitor parameters such as overload, phase imbalance, and under/overvoltage, triggering protective shutdowns to prevent catastrophic failures. The compact, panel-mountable design simplifies integration into control cabinets, making it ideal for space-constrained installations. Additionally, the soft starter’s **energy-efficient operation** reduces power consumption during startup, contributing to lower operational costs and compliance with sustainability initiatives. **Versatile Applications Across Industries** This WEG soft starter is engineered for a wide range of industrial applications where precise motor control is essential. In **pumping systems**, it prevents water hammer by controlling the rate of motor deceleration, safeguarding pipelines and valves from pressure surges. For **conveyor belts and material handling**, the SSW900D0412T6E4B ensures smooth acceleration to avoid product spillage or mechanical stress on the system. In **HVAC systems**, it reduces inrush current during startup, minimizing electrical stress on transformers and distribution networks. The soft starter is also well-suited for **compressors, fans, and crushers**, where controlled torque reduces mechanical shock and extends the life of critical components. **Why Choose WEG for Motor Control Solutions?** WEG is a trusted name in industrial motor control, with decades of expertise in designing robust, high-efficiency solutions for global markets. The SSW900D0412T6E4B soft starter reflects the company’s commitment to innovation, reliability, and energy savings, backed by a worldwide service network and compliance with international standards. Professionals in industries such as mining, oil & gas, water treatment, and manufacturing rely on WEG products to enhance system performance while reducing maintenance costs. Whether upgrading existing installations or designing new facilities, the SSW900D0412T6E4B provides a cost-effective, future-proof solution for motor control challenges. **Installation and Compatibility Considerations** The SSW900D0412T6E4B is designed for seamless integration into standard control panels, with clear labeling and modular connectivity for easy wiring. It supports a broad range of motor voltages and frequencies, making it compatible with global electrical infrastructures. For optimal performance, professionals should evaluate load characteristics, ambient conditions, and thermal management requirements during installation. WEG’s comprehensive documentation and technical support ensure smooth commissioning, while optional accessories like bypass contactors and remote monitoring modules further enhance functionality. **Long-Term Value and ROI** Investing in the WEG SSW900D0412T6E4B soft starter delivers measurable returns through reduced energy consumption, lower maintenance costs, and extended equipment life. By eliminating voltage sags and current spikes, it protects sensitive electronics and reduces the risk of unplanned shutdowns. For facilities operating in harsh or high-cycle environments, this soft starter is a strategic choice to enhance uptime and operational efficiency. With WEG’s reputation for durability and performance, the SSW900D0412T6E4B stands as a reliable foundation for modern motor control systems.
  • Smooth, controlled acceleration/deceleration for three-phase induction motors
  • Built-in motor protection against overload, phase imbalance, and voltage sags
  • Adjustable ramp times for tailored performance in diverse applications
  • Compact, panel-mountable design for easy integration
  • Energy-efficient operation reduces power consumption during startup

Specifications

Color
Blue
Connection Type
Screw Terminal
Frequency
50/60 Hz
Material
Poly
Mounting Type
Panel Mount
Poles
3
Series
SSW900
Series
SSW900D
Package Weight (Imperial)
30.8 LB
GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)

1270040900

GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)
MT-63 34A 3D SCREW EXP (MT63-3D-34-S-E)

1311001000

MT-63 34A 3D SCREW EXP (MT63-3D-34-S-E)
One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

LCMA6-8-C

One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.
Ground Lug

DNGL

Ground Lug
CONTACT BLOCK BU BLB-02

BLB-02

CONTACT BLOCK BU BLB-02
CONTACT BLOCK BU BFB-40

BFB-40

CONTACT BLOCK BU BFB-40

Frequently Asked Questions about WEG

What certifications and standards do WEG products comply with?

WEG products meet extensive international standards across multiple critical categories, including safety, electromagnetic compatibility (EMC), functional safety, and regulatory compliance. Key certifications include UL, cUL, CE, TÜV Rheinland, and compliance with international standards such as EN 61800 series, IEC 61508, ISO 13849-1, and directives like Low Voltage (2014/35/EU), EMC (2014/30/EU), and RoHS. Their products are certified for safe operation in various industrial environments, with specific standards covering electrical safety, thermal performance, electromagnetic immunity, and environmental protection.

What is WEG's warranty policy?

WEG offers an 18-month standard warranty for automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Repairs must be performed by authorized WEG service, and the warranty is limited to the replacement or repair of the product itself, excluding consequential damages. Extended warranty options are available, including purchasing additional coverage at 2.5% of the product's selling price per year, up to 4 additional years.

What industries and applications are WEG products used for?

WEG products are extensively used across multiple industrial sectors, including packaging equipment, material handling, food processing, pumps, medical/lab equipment, door/gate openers, office machinery, and lawn/garden applications. Their versatile DC motors and variable frequency drives (VFDs) are designed for general industrial use, with solutions ranging from off-the-shelf products to custom OEM designs that meet UL/CSA standards for diverse manufacturing and processing environments.

What technical support does WEG offer?

WEG offers comprehensive technical support through multiple channels, including a dedicated Automation Service Department accessible via toll-free phone (1-877-934-3748) and email ([email protected]). They maintain a global network of accredited service centers worldwide, which customers can locate on their website. Additionally, WEG provides warranty support and technical assistance for their industrial automation products, with pre-approval required for warranty repairs.

What are the key features of WEG products?

WEG products feature advanced industrial automation technologies with key characteristics including high performance, flexibility, and connectivity. Their flagship CFW900 Variable Speed Drive demonstrates core product strengths: intelligent thermal management, built-in safety functions, IoT readiness, advanced energy saving capabilities, and comprehensive communication protocols. WEG drives offer robust performance with features like 150% overload capacity, modern graphic HMI, plug-and-play expansion modules, and compatibility across multiple industrial segments including food and beverage, pulp and paper, and manufacturing.

What communication protocols do WEG products support?

WEG products support multiple industrial communication protocols across their product lines, including EtherNet/IP, Modbus-TCP, Modbus-RTU, CANopen, and optional protocols like Profibus-DP and DeviceNet. Specifically, the PLC500 offers 2x Gigabit Ethernet Ports, 1x CAN Port, and 1x RS485 port, enabling seamless integration with major industrial communication networks.

What environmental ratings do WEG products have?

WEG products feature multiple environmental ratings and protection classes. They offer Protection Class 3C2 as a standard coating and Protection Class 3C3 as an optional extra coating, both compliant with IEC 60721-3-3. Environmental specifications include air relative humidity from 5% to 95% non-condensing, altitude ratings up to 1,000m standard (with current derating above that), and Pollution Degree 2 classification with non-conductive pollution requirements.

What accessories are available for WEG products?

WEG offers a comprehensive range of accessories across multiple product lines. For variable frequency drives like the CFW900, accessories include I/O expansion modules, communication modules, encoder modules, temperature transducer modules, relay output modules, and HMI accessories. These accessories expand communication capabilities, input/output functions, and application flexibility. Most accessories are interchangeable between drive frames and can be installed in backplane slots, with communication network accessories limited to one per variable speed drive.

What are the main product lines offered by WEG?

WEG offers a comprehensive range of industrial automation products, including variable frequency drives (CFW series like CFW100, CFW300, CFW500), soft starters (SSW series including SSW05, SSW07, SSW900), and the innovative Motion Fleet Management (MFM) system for predictive maintenance and asset monitoring. Their product lines are designed to support industrial automation needs across various sectors, providing solutions for motor control, fleet management, and operational efficiency.

How are WEG products typically installed?

WEG products are typically installed with careful attention to mounting specifications, protection ratings, and airflow requirements. For variable speed drives like the CFW900, installation methods include surface mounting, flange mounting, and side-by-side configurations with specific clearance guidelines. Installers must follow precise dimensional requirements for each product frame size, ensuring proper ventilation and electrical connections.