WEG ESW-B9D39H-R28 - ENCLOSED STARTER ESW-B9D39H-R28
WEG

ESW-B9D39H-R28

Alternate Item Number: 14663041

UPC: 7909492664710

Contact for Pricing

Overview

The WEG ESW-B9D39H-R28 Enclosed Starter represents a critical component for reliable and safe electric motor operation in demanding industrial environments. This integrated unit consolidates essential motor control and protection functions into a single, robust package, simplifying installation and ensuring operational integrity. At its core, the ESW-B9D39H-R28 combines a high-performance WEG contactor with a precisely calibrated thermal overload relay. This dual functionality ensures that electric motors are not only started and stopped efficiently but are also shielded from damaging overcurrent conditions that can arise from mechanical overloads, phase imbalances, or voltage sags. The inclusion of an enclosure is paramount for industrial applications, providing a vital layer of protection against environmental factors such as dust, moisture, and physical impact. This enclosure ensures the longevity and consistent performance of the internal components, making the ESW-B9D39H-R28 suitable for a wide array of settings, from manufacturing plants and processing facilities to water treatment operations and material handling systems. WEG is a globally recognized leader in motor and drive technology, renowned for its commitment to quality, innovation, and durability. The ESW-B9D39H-R28 benefits from this extensive expertise, offering a dependable solution that meets stringent industry standards. Professionals select enclosed starters like the ESW-B9D39H-R28 for their ability to provide a complete, pre-assembled motor control solution, reducing wiring complexity and potential points of failure during installation. The integrated overload protection is crucial for preventing costly downtime and extending the operational life of expensive motor assets. Key benefits of the WEG ESW-B9D39H-R28 include: * **Comprehensive Motor Protection:** Safeguards against overloads, phase loss, and other electrical anomalies that can lead to motor damage. * **Simplified Installation:** Pre-wired and assembled components reduce on-site labor and the risk of wiring errors. * **Enhanced Safety:** The robust enclosure protects both the internal components and personnel from electrical hazards and environmental ingress. * **Reliable Operation:** High-quality WEG components ensure consistent and dependable motor starting and stopping. * **Cost-Effectiveness:** By preventing motor damage and reducing installation time, this starter offers significant long-term value. This enclosed starter is an indispensable tool for engineers and maintenance professionals tasked with ensuring the continuous and safe operation of electric motors. Its design prioritizes both functionality and safety, making it a trusted choice for critical industrial processes. The ESW-B9D39H-R28 is engineered to deliver performance and peace of mind, reflecting WEG's dedication to providing superior electrical solutions for the modern industrial landscape.
  • Integrated WEG contactor and thermal overload relay for complete motor control.
  • Robust, protective enclosure for enhanced safety and environmental resistance.
  • Designed for reliable starting, stopping, and protection of industrial electric motors.
  • Simplifies installation with pre-assembled components, reducing labor and errors.
  • Essential for preventing motor damage from overloads and ensuring operational continuity.

Specifications

Series
ESW-B9D39H
Package Weight (Imperial)
5.808 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)
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
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.

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.