WEG SSW900F0820T5E4B - SOFT-STARTER SSW900F0820T5E4B
WEG

SSW900F0820T5E4B

UPC: 7909712470114

Contact for Pricing

Overview

The WEG SSW900F0820T5E4B Soft-Starter is a high-performance, industrial-grade motor control solution designed to deliver smooth, controlled acceleration and deceleration for three-phase induction motors. Engineered by WEG, a global leader in motor and drive technology, this soft starter minimizes mechanical and electrical stress during motor startup, significantly extending equipment lifespan and reducing maintenance costs. With a robust current rating of 820A, the SSW900F0820T5E4B is ideal for heavy-duty applications where reliability and precision are critical. Soft starters like the WEG SSW900F0820T5E4B are essential in industries such as water/wastewater treatment, HVAC systems, mining, oil & gas, and manufacturing, where motors frequently start and stop under load. Unlike traditional starters that deliver full voltage instantly—causing high inrush currents and mechanical shock—the SSW900F0820T5E4B gradually ramps up voltage, reducing current spikes and preventing damaging voltage sags. This not only protects motors and connected equipment but also complies with stringent energy efficiency standards. Key features of the WEG SSW900F0820T5E4B include adjustable ramp times for customized acceleration profiles, built-in motor protection against overloads and phase imbalances, and a compact, panel-mount design that simplifies installation in tight spaces. The unit’s IP66/IP67 rating ensures superior resistance to dust, moisture, and harsh environmental conditions, while its NEMA Type 4X enclosure provides additional protection against corrosion and water ingress. With a frequency range of 50/60 Hz and a three-pole configuration, this soft starter is versatile enough for global applications. Installation is straightforward with screw terminal connections and panel-mount compatibility, making it a seamless addition to existing motor control panels. WEG’s reputation for innovation and durability ensures that the SSW900F0820T5E4B meets the demands of modern industrial environments, offering long-term reliability and operational efficiency. Whether used in pumping systems to prevent water hammer, conveyor systems to reduce mechanical wear, or compressors to avoid electrical stress, this soft starter delivers consistent performance under demanding conditions. For professionals seeking a dependable, high-current soft starter that balances advanced functionality with rugged durability, the WEG SSW900F0820T5E4B is a trusted choice. Its combination of WEG’s engineering excellence, robust construction, and application-specific features makes it a standout solution for motor control challenges in industrial settings.
  • 820A current rating for heavy-duty industrial motors
  • IP66/IP67 and NEMA Type 4X for harsh environments
  • Adjustable ramp times for controlled acceleration/deceleration
  • Built-in motor protection against overloads and phase imbalances
  • Panel-mount design with screw terminal connections for easy installation

Specifications

Connection Type
Screw Terminal
Current Rating
820 A
Frequency
50/60 Hz
Ip Rating
IP66/IP67
Mounting Type
Panel Mount
Nema Rating
Type 4X
Poles
3
Series
SSW900
Package Weight (Imperial)
260.48 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-20

BFB-20

CONTACT BLOCK BU BFB-20

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.