WEG ESW-B9D39A-R27 - ENCLOSED STARTER ESW-B9D39A-R27
WEG

ESW-B9D39A-R27

Alternate Item Number: 10071965

UPC: 7890355050569

Contact for Pricing

Overview

The WEG ESW-B9D39A-R27 Enclosed Starter represents a robust and reliable solution for comprehensive electric motor control in demanding industrial environments. This integrated unit consolidates essential motor protection and control components into a single, protective enclosure, simplifying installation and enhancing operational safety. At its core, the ESW-B9D39A-R27 combines a high-performance WEG contactor with an integrated thermal overload relay. This pairing ensures that electric motors are not only reliably started and stopped but are also safeguarded against damaging overcurrent conditions that can arise from mechanical overloads, phase imbalances, or other fault scenarios. The overload relay is typically adjustable, allowing for precise calibration to the motor's full load amperage (FLA), thereby preventing nuisance tripping while providing critical protection. The 'enclosed' aspect of this starter is paramount for industrial settings. The robust enclosure, designed to meet specific environmental ratings (though not detailed here, typical ratings include NEMA or IP classifications), shields the internal components from dust, moisture, oil, and other contaminants. This protection is vital for ensuring the longevity and consistent performance of the starter and the motor it controls. Furthermore, the enclosure provides a critical safety barrier, preventing accidental contact with live electrical components, which is a fundamental requirement in any industrial electrical system. The enclosure also often houses the starter's control elements, such as start/stop buttons and potentially an indicator light, making operation straightforward and safe. WEG is a globally recognized manufacturer renowned for its high-quality electric motors, drives, and control equipment. Their commitment to engineering excellence and product reliability makes their motor starters, like the ESW-B9D39A-R27, a trusted choice for professionals across a wide spectrum of industries. These starters are indispensable in applications such as: * **Manufacturing Plants:** Controlling pumps, fans, conveyors, and machinery. * **Water and Wastewater Treatment:** Managing motor-driven pumps and aeration equipment. * **Material Handling Systems:** Operating automated storage and retrieval systems, and lifting equipment. * **HVAC Systems:** Providing reliable control for large industrial fans and compressors. * **Agricultural Operations:** Powering irrigation pumps and processing machinery. Selecting the correct motor starter involves careful consideration of the motor's horsepower or amperage rating, voltage, and the specific environmental conditions of the installation. The WEG ESW-B9D39A-R27, with its integrated design, offers a streamlined approach to motor control, reducing the need for separate component selection and wiring. This not only saves installation time and labor but also minimizes potential points of failure. The inherent safety features, combined with WEG's reputation for durability and performance, make this enclosed starter an essential component for ensuring the efficient and safe operation of industrial electric motors. Its design prioritizes both functional performance and operational integrity, making it a sound investment for any facility relying on electric motor power.
  • Integrated WEG Contactor and Thermal Overload Relay for comprehensive motor control.
  • Robust Enclosed Design provides protection against environmental contaminants and enhances safety.
  • Essential for starting, stopping, and safeguarding electric motors from overload conditions.
  • Simplifies installation by combining multiple control and protection functions.
  • Trusted WEG quality ensures durability and reliable performance in industrial settings.

Specifications

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.