WEG ESW-B40D39C-R70 - ENCLOSED STARTER ESW-B40D39C-R70
WEG

ESW-B40D39C-R70

Contact for Pricing

Overview

The WEG ESW-B40D39C-R70 Enclosed Starter represents a robust and reliable solution for comprehensive electric motor control and protection in demanding industrial environments. This integrated unit consolidates essential components, including a high-performance contactor and an adjustable thermal overload relay, within a durable, protective enclosure. This design ensures safe operation, protects personnel from electrical hazards, and safeguards the motor from damaging overcurrent conditions that can arise from mechanical overloads, phase imbalances, or prolonged starting cycles. Engineered by WEG, a globally recognized leader in motor and drive technology, the ESW-B40D39C-R70 is built to withstand the rigors of industrial settings. Its enclosed nature provides a critical layer of defense against dust, moisture, and physical impact, making it suitable for a wide array of applications across manufacturing, processing, and infrastructure sectors. The enclosure's rating is designed to meet specific environmental standards, offering peace of mind for critical operations. Professionals select enclosed starters like the ESW-B40D39C-R70 when a complete, ready-to-install motor control solution is required, minimizing on-site wiring complexity and reducing the potential for installation errors. The primary function of this WEG motor starter is to provide a safe and efficient means of starting, stopping, and protecting electric motors. The contactor acts as a heavy-duty switch, capable of handling the high inrush currents associated with motor startup, while the overload relay continuously monitors motor current. If the current exceeds a predetermined safe level for an extended period, the overload relay will trip, de-energizing the motor and preventing thermal damage. This dual functionality is paramount for extending motor lifespan and ensuring operational continuity. Key benefits of the WEG ESW-B40D39C-R70 include: * **Integrated Design:** Combines contactor and overload relay for a compact, all-in-one solution. * **Enhanced Safety:** Protective enclosure shields components and personnel. * **Reliable Motor Protection:** Prevents damage from overloads and phase faults. * **Simplified Installation:** Reduces wiring time and complexity. * **WEG Quality:** Backed by the reputation of a leading electrical equipment manufacturer. Typical applications for this enclosed starter span various industrial domains, such as conveyor systems, pumps, fans, compressors, machine tools, and material handling equipment. Its versatility makes it an indispensable component in facilities where reliable and safe motor operation is non-negotiable. When specifying motor control gear, engineers and maintenance personnel rely on manufacturers like WEG for dependable performance and adherence to industry standards. The ESW-B40D39C-R70 exemplifies this commitment, offering a dependable solution for critical motor control needs.
  • WEG ESW-B40D39C-R70 Enclosed Starter for industrial motor control.
  • Integrates contactor and thermal overload relay for complete protection.
  • Durable enclosure provides safety and environmental resistance.
  • Ensures reliable starting, stopping, and overload protection for electric motors.
  • Ideal for manufacturing, processing, and infrastructure applications.

Specifications

Color
Blue
Connection Type
Screw Terminal
Frequency
50/60 Hz
IP Rating
IP66
Material
Poly
Mounting Type
Wall Mount
Nema Rating
Type 4X
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.