WEG ESW-B50D39A-R70 - ENCLOSED STARTER ESW-B50D39A-R70
WEG

ESW-B50D39A-R70

Contact for Pricing

Overview

The WEG ESW Series Enclosed Starter, model ESW-B50D39A-R70, represents a robust and reliable solution for comprehensive electric motor control in demanding industrial environments. This integrated unit effectively combines essential motor protection and control components within a durable, protective enclosure, ensuring safe and efficient operation. Designed to meet the rigorous demands of modern industry, this WEG motor starter is an indispensable component for applications requiring precise starting, stopping, and safeguarding of electric motors. At its core, the ESW-B50D39A-R70 integrates a high-performance WEG contactor with an adjustable thermal overload relay. This synergistic pairing provides critical protection against overcurrent conditions, preventing motor damage and costly downtime. The overload relay is typically adjustable, allowing for precise calibration to match the specific current requirements of the motor, thereby optimizing both protection and operational efficiency. The enclosed design further enhances safety by isolating live components and protecting them from environmental factors such as dust, moisture, and physical impact. This makes it suitable for a wide range of industrial settings, including manufacturing plants, processing facilities, and heavy machinery operations. WEG is a globally recognized leader in the manufacturing of electric motors, drives, and control equipment, renowned for its commitment to quality, innovation, and reliability. The ESW Series of enclosed starters embodies this commitment, offering a dependable and long-lasting solution for motor control needs. Professionals in electrical engineering, maintenance, and plant operations rely on WEG products for their consistent performance and adherence to international safety standards. Key benefits and features of the WEG ESW-B50D39A-R70 include: * **Integrated Control and Protection:** Combines a WEG contactor and thermal overload relay in a single, compact unit for simplified installation and wiring. * **Enhanced Safety:** The robust enclosure provides superior protection for internal components and personnel, meeting stringent industrial safety requirements. * **Reliable Motor Safeguarding:** The adjustable thermal overload relay offers precise protection against overcurrents, preventing motor burnout and extending motor lifespan. * **Environmental Resistance:** The enclosure is designed to withstand harsh industrial conditions, ensuring operational continuity in challenging environments. * **Ease of Installation and Maintenance:** The enclosed design facilitates straightforward mounting and access for routine checks and adjustments. This enclosed starter is an ideal choice for various industrial applications, including pump control, fan operation, conveyor systems, and general machinery where reliable motor starting and protection are paramount. Its robust construction and integrated functionality make it a cost-effective and efficient solution for ensuring the longevity and performance of electric motors. When selecting a motor starter, factors such as motor horsepower, voltage, environmental conditions, and required protection settings are crucial. The WEG ESW-B50D39A-R70 is engineered to address these critical considerations, offering a dependable foundation for any industrial motor control system.
  • WEG ESW Series Enclosed Motor Starter
  • Model: ESW-B50D39A-R70
  • Integrated Contactor and Thermal Overload Relay
  • Robust Protective Enclosure for Industrial Environments
  • Reliable Motor Control and Overcurrent Protection

Specifications

Series
ESW
Package Weight (Imperial)
0 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.