WEG ESW-B50D77E-R71 - ENCLOSED STARTER ESW-B50D77E-R71
WEG

ESW-B50D77E-R71

UPC: 7900208809784

Contact for Pricing

Overview

The WEG ESW-B50D77E-R71 Enclosed Starter represents a robust and reliable solution for comprehensive electric motor control in demanding industrial environments. Engineered by WEG, a globally recognized leader in motor and drive technology, this unit integrates essential motor starting and protection components into a single, protective enclosure. This all-in-one design simplifies installation, enhances safety, and ensures dependable operation for a wide array of electric motors. At its core, the ESW-B50D77E-R71 combines a high-performance WEG contactor with an integrated thermal overload relay. The contactor is designed for frequent switching cycles and provides the necessary electrical connection to start and stop the motor. The overload relay is crucial for safeguarding the motor against damage caused by overcurrent conditions, which can arise from mechanical overloads, voltage imbalances, or phase failures. This dual functionality ensures that your valuable motor assets are protected from potentially catastrophic failures, minimizing downtime and costly repairs. The "enclosed" aspect of this starter is a critical feature for industrial settings. The robust enclosure provides a physical barrier that protects the internal components from dust, moisture, oil, and other environmental contaminants commonly found in factories, processing plants, and outdoor installations. This protection not only extends the lifespan of the starter but also significantly enhances operational safety by preventing accidental contact with live electrical parts. The enclosure is typically rated for specific environmental conditions, offering peace of mind in challenging operational contexts. WEG motor starters, like the ESW-B50D77E-R71, are indispensable in numerous industrial applications. They are fundamental for controlling pumps, fans, conveyors, compressors, mixers, and a vast range of other machinery that relies on electric motor power. Industries such as manufacturing, water and wastewater treatment, food and beverage processing, mining, and material handling all depend on reliable motor control solutions. The ESW-B50D77E-R71 is designed to meet these rigorous demands, offering consistent performance and long-term durability. Key benefits of utilizing the WEG ESW-B50D77E-R71 include: * **Integrated Protection:** Combines contactor and overload relay for complete motor safeguarding. * **Enhanced Safety:** Enclosed design protects personnel and components from environmental hazards and electrical shock. * **Simplified Installation:** All-in-one unit reduces wiring complexity and mounting time. * **Reliable Operation:** Built with high-quality WEG components for consistent performance. * **Versatile Application:** Suitable for a broad spectrum of industrial motor control needs. When selecting a motor starter, professionals consider factors such as motor horsepower, full-load current, voltage, and the specific environmental conditions of the installation. The WEG ESW-B50D77E-R71, with its inherent quality and comprehensive functionality, provides a dependable choice for engineers and maintenance personnel seeking efficient and safe motor control solutions. Trust in WEG's legacy of innovation and quality for your critical industrial motor applications.
  • WEG ESW-B50D77E-R71 Enclosed Motor Starter
  • Integrates WEG Contactor and Thermal Overload Relay
  • Robust Enclosure for Environmental Protection and Safety
  • Reliable Starting, Stopping, and Overload Protection for Electric Motors
  • Ideal for Diverse Industrial Applications and Machinery

Specifications

Color
Blue
Connection Type
Screw Terminal
Frequency
50/60 Hz
IP Rating
IP66
Material
Poly
Mounting Type
Panel Mount
Nema Rating
Type 4X
Series
ESW-B50D
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.