WEG Strategic Partner Distributor
WEG MSW AP 63-B-1NA - NEUTRAL POLE MSW AP 63-B-1NO
WEG

MSW AP 63-B-1NA

Alternate Item Number: 12727298

UPC: 7909158646470

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Overview

The WEG MSW AP 63-B-1NA Neutral Pole is a high-performance disconnect switch engineered for industrial motor control applications, providing a reliable and visible means of isolation for motors and electrical equipment during maintenance, repair, or servicing operations. Designed by WEG, a global leader in industrial electric motors and automation solutions, this neutral pole switch ensures compliance with stringent safety regulations while delivering robust performance in demanding industrial environments. The MSW AP 63-B-1NA is part of WEG's MSW AP series, renowned for its durability, precision, and adherence to international safety standards, making it an essential component for facilities prioritizing operational safety and regulatory compliance. This disconnect switch is specifically engineered to safely de-energize equipment, allowing technicians to perform maintenance tasks without risk of electrical shock or arc flash hazards. The visible blade mechanism provides an immediate visual confirmation of the isolation state, reducing the likelihood of accidental re-energization—a critical feature for lockout/tagout (LOTO) procedures mandated by OSHA and other safety organizations. The MSW AP 63-B-1NA is compatible with a wide range of industrial motor control centers (MCCs), switchgear, and distribution panels, making it a versatile solution for applications across manufacturing, mining, oil and gas, water treatment, and other heavy industries. Key features of the WEG MSW AP 63-B-1NA include a compact and rugged design, ensuring reliable operation even in harsh conditions such as high humidity, temperature fluctuations, or corrosive environments. The switch is rated for heavy-duty industrial use, with a neutral pole configuration that supports single-phase or three-phase systems where neutral isolation is required. Installation is straightforward, with standardized mounting options that integrate seamlessly into existing control panels or motor control centers. WEG’s reputation for engineering excellence ensures that the MSW AP 63-B-1NA meets or exceeds industry standards, including UL, IEC, and NEMA certifications, providing peace of mind for facility managers and electrical engineers. Industries such as automotive manufacturing, food processing, pharmaceuticals, and chemical processing rely on WEG’s disconnect switches to maintain operational continuity while safeguarding personnel. The MSW AP 63-B-1NA is particularly well-suited for applications where frequent maintenance or equipment upgrades are required, as its design minimizes downtime and reduces the risk of human error during isolation procedures. Additionally, WEG’s global service network and technical support ensure that customers receive expert guidance on installation, troubleshooting, and compliance with local electrical codes. For professionals tasked with selecting the right disconnect switch for motor control applications, the WEG MSW AP 63-B-1NA stands out as a trusted solution backed by decades of innovation and reliability. Its combination of safety, durability, and ease of use makes it an ideal choice for facilities seeking to enhance operational safety without compromising on performance. Whether used in new installations or as a replacement in existing systems, this neutral pole switch delivers the performance and peace of mind that industrial operators demand.
  • Visible blade isolation for immediate confirmation of de-energization
  • Lockout/tagout (LOTO) capable for OSHA and safety compliance
  • Compact, rugged design for harsh industrial environments
  • Compatible with motor control centers (MCCs) and switchgear
  • UL, IEC, and NEMA certified for global standards compliance

Specifications

Mounting Type
Standardized mounting (panel/control center)
Poles
1NO (Neutral Pole)
Series
MSW AP
Package Weight (Imperial)
0.066 LB
ROTARY DISCONNECTOR MSW 160 B3 H

MSW 160 B-3 H

ROTARY DISCONNECTOR MSW 160 B3 H
Punch Die set for Rectangular Connector, Size 57.27

CHI-10-PUNCH

Punch Die set for Rectangular Connector, Size 57.27
ROTARY DISCONNECTOR MSW 12 B3 H

MSW 12 B3 H

ROTARY DISCONNECTOR MSW 12 B3 H
AUXILIARY CONTACT MSW AC 160-B-1NO

MSW AC-160 B 1NO

AUXILIARY CONTACT MSW AC 160-B-1NO
ROTARY DISCONNECTOR MSW 160 B3

MSW 160 B-3

ROTARY DISCONNECTOR MSW 160 B3
ROTARY DISCONNECTOR MSWB 63 B3 HB

MSWB 63 B3 HB

ROTARY DISCONNECTOR MSWB 63 B3 HB
NEUTRAL POLE MSW AP 80-B-1NO

MSW AP 80-B-1NA

NEUTRAL POLE MSW AP 80-B-1NO
ROTARY DISCONNECTOR MSW 40 B3 H

MSW 40 B-3 H

ROTARY DISCONNECTOR MSW 40 B3 H

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.