WEG Strategic Partner Distributor
WEG MPW40-3-U004 X25 - MOTOR PROTECTOR BU MPW40-3-U004 X25
WEG

MPW40-3-U004 X25

UPC: 7909322336688

Contact for Pricing

Overview

The WEG MPW40-3-U004 X25 Manual Motor Protector is a highly compact and reliable solution designed for essential motor operation and protection in industrial automation and control systems. Engineered to meet stringent industry standards, this WEG component fulfills the NEC requirements for a combination motor starter, integrating Motor Disconnect, Branch Circuit Protection, Motor Controller, and Motor Overload Protection functions into a single, efficient unit. This self-protected combination starter is UL Type-E compliant, making it suitable for Type-E & F applications and ensuring robust safety and performance in demanding environments. With a high short-circuit interrupting rating of up to 65kA at 480V, the MPW40-3-U004 X25 provides superior protection against damaging fault currents, safeguarding your valuable motor assets and preventing costly downtime. Its design also includes crucial phase loss sensitivity protection, a critical feature for maintaining motor health and operational integrity in three-phase systems. This manual motor protector is rated for DC applications, further expanding its versatility across various industrial sectors. Key features and benefits of the WEG MPW40-3-U004 X25 include: * **Comprehensive Motor Protection:** Integrates disconnect, branch circuit protection, controller, and overload protection. * **High Interrupting Capacity:** Up to 65kA at 480V for robust fault current handling. * **Phase Loss Sensitivity:** Protects motors from damage due to phase imbalance or loss. * **UL Type-E Self-Protected:** Meets UL requirements for Type-E & F applications. * **Versatile Applications:** Suitable for group motor installations (per NEC Article 430) and DC applications. * **Compact Design:** Offers a space-saving solution for control panels. * **Global Approvals:** Facilitates use in a wide range of international applications. The MPW40-3-U004 X25 is specifically designed for use with WEG contactors such as the CWC07...025, CWM9...40, and CWB9...40, ensuring seamless integration into existing WEG motor control solutions. Its operational current rating is 4.0A, with a magnetic release current of 52A. This protector is capable of handling motor loads up to 2 HP at 460V (3-phase) and 3 HP at 575V (3-phase). The maximum rated current of the protection device for group installation is 125A (fuse or MCCB). WEG is a globally recognized leader in motor and drive technology, renowned for its commitment to quality, innovation, and reliability. Choosing the WEG MPW40-3-U004 X25 means investing in a proven solution from a trusted manufacturer, ensuring the longevity and efficient operation of your industrial motors. This protector is an indispensable component for any facility prioritizing operational safety, system integrity, and reduced maintenance costs.
  • WEG MPW40-3-U004 X25 Manual Motor Protector for industrial applications.
  • Integrates Motor Disconnect, Branch Circuit Protection, Motor Controller, and Overload Protection.
  • High short-circuit interrupting rating: Up to 65kA @ 480V.
  • Features phase loss sensitivity protection for motor health.
  • UL Type-E self-protected combination starter, suitable for Type-E & F applications.

Specifications

Package Weight (Imperial)
0.792 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-20

BFB-20

CONTACT BLOCK BU BFB-20
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.