WEG ESW-B12D39A-R30 - ENCLOSED STARTER ESW-B12D39A-R30
WEG

ESW-B12D39A-R30

Alternate Item Number: 10676629

UPC: 7890355050583

Contact for Pricing

Overview

The WEG ESW-B12D39A-R30 Enclosed Starter is a robust and reliable solution designed for comprehensive motor control in demanding industrial environments. This non-combination NEMA 1 rated starter integrates essential motor protection and control components into a single, protective enclosure, ensuring safety, durability, and ease of installation. At its core, the ESW-B12D39A-R30 features a WEG CWB contactor, rated for 12 Amps, paired with a thermal overload relay (RM30 series) offering adjustable protection from 8 to 12.5 Amps. This combination provides crucial protection against overcurrent conditions, preventing motor damage and costly downtime. The starter is equipped with a 480VAC coil, making it suitable for applications utilizing this common industrial voltage. The 'A' designation in the part number signifies the integrated control device: a Start, Stop, and Reset push-button configuration. This intuitive interface allows operators to easily initiate motor operation, halt it in emergencies, and reset the overload relay after a fault condition has been cleared. The NEMA 1 enclosure provides a clean and safe housing, protecting the internal components from dust, dirt, and accidental contact, making it ideal for general-purpose indoor applications. WEG is a globally recognized leader in motor and drive technology, known for producing high-quality, dependable electrical equipment. The ESW series of enclosed starters upholds this reputation, offering a cost-effective and efficient way to manage electric motors. These starters are indispensable in a wide array of industrial sectors, including: * Manufacturing and processing plants * Water and wastewater treatment facilities * Material handling systems * HVAC systems in large commercial buildings * Pumping stations and irrigation systems By combining a contactor for switching power to the motor with an overload relay for thermal protection and a user-friendly control interface, all within a protective enclosure, the WEG ESW-B12D39A-R30 simplifies electrical design and installation. It eliminates the need to source and assemble individual components, reducing labor costs and ensuring component compatibility. This integrated approach is critical for ensuring the longevity and efficient operation of electric motors, which are the workhorses of modern industry. Key Features: * **Integrated Design:** Combines contactor, overload relay, and control buttons in a single enclosure. * **Robust Protection:** Thermal overload relay with adjustable settings (8-12.5A) safeguards motors from overcurrent. * **Reliable Switching:** WEG CWB contactor rated for 12 Amps ensures dependable power switching. * **User-Friendly Control:** Includes Start, Stop, and Reset push-buttons for straightforward operation. * **Durable Enclosure:** NEMA 1 rated enclosure provides protection against environmental factors and physical damage. * **Wide Application Range:** Suitable for various industrial motor control needs. * **WEG Quality:** Backed by the reputation of a leading global manufacturer of electrical equipment.
  • WEG ESW Enclosed Starter, Model ESW-B12D39A-R30
  • 12 Amp Contactor Rating (CWB Series)
  • 480VAC Coil Voltage
  • Integrated Thermal Overload Relay (RM30 Series, 8-12.5A adjustable)
  • NEMA 1 Rated Enclosure for general-purpose indoor use
  • Includes Start, Stop, and Reset push-buttons for control
  • Provides reliable motor starting, stopping, and overload protection

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)
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.
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

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.