WEG MPW18-3-D063 - MOTOR PROTECTOR BU MPW18-3-D063
WEG

MPW18-3-D063

Alternate Item Number: 12429371

UPC: 7909158003129

Contact for Pricing

Overview

The WEG MPW18-3-D063 is a Manual Motor Protector (MMP) from the MPW Series, designed for compact motor control and protection. This 3-pole unit offers reliable overload and short-circuit protection for industrial motors, meeting UL Type-E self-protected combination starter requirements and IEC 60947-4-1 standards. Rated for 6.3A continuous operation, it features phase loss sensitivity and a magnetic release at 82A. The MPW18-3-D063 provides a short-circuit interrupting rating of 50kA at 480V. It supports group motor installations per NEC Article 430 and is suitable for DC applications. This protector is rated for up to 690 VAC and can protect motors up to 5 HP at 230V or 10 HP at 460V (3-phase). Its compact design and UL listing (E172121) make it ideal for applications such as pumps, conveyors, and HVAC systems. SKU: MPW18-3-D063. Manufacturer: WEG.
  • Rated Operational Current (Ie): 6.3A
  • Magnetic Release Current: 82A
  • Max. Short Circuit Current @ 480V: 50kA
  • UL Type-E Self-Protected Combination Starter
  • Suitable for Group Motor Installations (NEC Article 430)
  • Suitable for 1-phase/3-phase motors up to 10 HP (460V)
  • Complies with IEC 60947-4-1, UL 508, CSA C.22.2/14

Specifications

Package Weight (Imperial)
0.627 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

What is the rated operational current of the MPW18-3-D063?

The rated operational current (Ie) is 6.3A, with an adjustable overload setting range of 4.0–6.3A.

What is the maximum short-circuit current rating?

The device has a maximum short-circuit current rating of 50kA at 480V and 10kA at 600V.

Does it protect against phase loss?

Yes, the MPW18-3-D063 includes phase failure sensitivity protection.

What is the operating temperature range?

The device operates from -20°C to +60°C (-4°F to +140°F) and stores from -50°C to +80°C (-58°F to +176°F).

What terminal type does it use?

The device uses flat-type terminals compatible with solid or stranded wires, requiring a Philips #2 screwdriver.

Is the MPW18-3-D063 UL certified?

Yes, it is UL-listed under File No. E172121 and complies with UL 508 and CSA C.22.2/14 standards.

What motor loads can this protector handle?

It supports 1-phase motors up to 3 HP (230V) and 3-phase motors up to 10 HP (460V).

What is the overload trip class?

The overload trip class is 10, with overload protection characteristics of 0.6–1 x In.

What standards does it comply with?

It meets IEC 60947-1/-4-1, EN 60947-1/-4-1, UL 508, CSA C.22.2/14, and VDE 0660/102.

What is the mechanical and electrical lifespan?

The mechanical lifespan is 100,000 operations, and the electrical lifespan is 100,000 operations at rated load.

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.