WEG ESW-B40D39A-R70 - ENCLOSED STARTER ESW-B40D39A-R70
WEG

ESW-B40D39A-R70

UPC: 7909836489382

Contact for Pricing

Overview

The WEG ESW-B40D39A-R70 Enclosed Starter represents a robust and reliable solution for comprehensive electric motor control in demanding industrial environments. This integrated unit effectively combines a WEG contactor with an overload relay, all housed within a protective enclosure, to provide a complete system for starting, stopping, and safeguarding your valuable electric motors. By consolidating these essential components, the ESW-B40D39A-R70 simplifies installation, reduces wiring complexity, and ensures a higher level of operational safety. At its core, this enclosed starter is designed to protect motors from damaging overcurrent conditions that can arise from overloads, phase unbalance, or short circuits. The integrated overload relay offers adjustable trip settings, allowing for precise calibration to match the specific requirements of your motor and application, thereby preventing premature failure and extending motor lifespan. The contactor, a critical component, acts as the primary switching device, enabling the safe and controlled energization and de-energization of the motor circuit. WEG's commitment to quality engineering ensures that both the contactor and overload relay are built to withstand the rigors of continuous industrial operation. The protective enclosure is a vital aspect of the ESW-B40D39A-R70, providing a barrier against environmental factors such as dust, moisture, and physical impact. This robust housing is crucial for maintaining the integrity of the internal components and ensuring safe operation in a variety of industrial settings, including manufacturing plants, processing facilities, and heavy machinery applications. The enclosure design also typically incorporates features for convenient access to controls and wiring, facilitating both initial setup and ongoing maintenance. Key benefits of employing the WEG ESW-B40D39A-R70 include enhanced motor protection, improved operational reliability, simplified installation, and increased safety for personnel. This type of enclosed starter is indispensable for applications where motors are frequently started and stopped, or where consistent and reliable power delivery is paramount. It is an essential component for any industrial setup that relies on electric motors for its core operations, offering peace of mind through its dependable performance and integrated safety features. Choosing WEG for your motor control needs means investing in a brand synonymous with quality and durability in the electrical industry.
  • Integrated WEG Contactor and Overload Relay for complete motor control.
  • Robust protective enclosure for enhanced safety and environmental resistance.
  • Provides reliable starting, stopping, and protection against overloads.
  • Simplifies installation and reduces wiring complexity.
  • Designed for demanding industrial motor applications.

Specifications

Package Weight (Imperial)
11.44 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.