WEG Strategic Partner Distributor
WEG MSW AP 40-P-1NA - NEUTRAL POLE MSW AP 40-P-1NO
WEG

MSW AP 40-P-1NA

Alternate Item Number: 12727287

UPC: 7909158646692

Contact for Pricing

Overview

The WEG MSW AP 40-P-1NA Neutral Pole is a critical component in WEG’s MSW AP series of disconnect switches, designed to provide a visible and reliable means of isolation for motors and electrical equipment during maintenance, service, or repair operations. Engineered by WEG, a global leader in industrial electric motors and automation solutions, this neutral pole ensures compliance with stringent safety regulations while enhancing operational efficiency in industrial environments. The MSW AP 40-P-1NA is part of WEG’s comprehensive range of disconnect switches, which are trusted by professionals across industries such as manufacturing, mining, oil and gas, water treatment, and HVAC for their durability, performance, and safety features. A disconnect switch like the WEG MSW AP 40-P-1NA serves as a primary safety device in electrical systems, allowing technicians to de-energize equipment before performing maintenance or repairs. Unlike circuit breakers, which are designed to interrupt fault currents, disconnect switches provide a visible break in the circuit, ensuring that equipment remains isolated even if the power source is restored. This feature is essential for lockout/tagout (LOTO) procedures, which are mandated by OSHA and other safety regulations to prevent accidental re-energization during maintenance. The WEG MSW AP 40-P-1NA is specifically designed as a neutral pole, making it ideal for applications where a dedicated neutral disconnect is required, such as in three-phase systems with grounded neutrals or in equipment where neutral isolation is critical for safety. The WEG MSW AP 40-P-1NA is built to withstand the harsh conditions of industrial environments, featuring robust construction with high-quality materials that resist corrosion, vibration, and mechanical stress. Its design prioritizes ease of installation and maintenance, with clear labeling and accessible terminals for quick wiring and troubleshooting. The switch is compatible with WEG’s MSW AP series disconnect switches, allowing for seamless integration into existing systems or new installations. Professionals in the electrical industry rely on WEG for its reputation for innovation, reliability, and adherence to international standards such as IEC, UL, and CSA, ensuring that the MSW AP 40-P-1NA meets the highest safety and performance benchmarks. Typical applications for the WEG MSW AP 40-P-1NA include motor control centers (MCCs), variable frequency drives (VFDs), and other industrial electrical panels where neutral isolation is required. It is particularly well-suited for use in facilities with stringent safety protocols, such as chemical plants, food processing plants, and pharmaceutical manufacturing, where equipment downtime must be minimized, and safety is paramount. The neutral pole’s ability to provide a clear visual indication of the switch’s status (open or closed) further enhances safety by reducing the risk of human error during maintenance operations. When selecting a disconnect switch like the WEG MSW AP 40-P-1NA, professionals consider factors such as voltage and current ratings, environmental conditions, and compliance with local electrical codes. WEG’s disconnect switches are designed to accommodate a wide range of voltages and currents, making them versatile solutions for various industrial applications. Additionally, WEG offers comprehensive technical support, including documentation, training, and troubleshooting guides, to ensure that installers and maintenance teams can maximize the performance and lifespan of their equipment. By choosing the WEG MSW AP 40-P-1NA, industrial operators gain peace of mind knowing they are using a product from a manufacturer with decades of experience in delivering reliable, high-performance electrical solutions.
  • Visible isolation for motors and electrical equipment during maintenance
  • Lockout/tagout (LOTO) capable for OSHA and safety regulation compliance
  • Robust construction for harsh industrial environments
  • Compatible with WEG MSW AP series disconnect switches
  • Clear visual indication of switch status (open/closed)

Specifications

Poles
1
Series
MSW AP
Package Weight (Imperial)
0.066 LB
NEUTRAL POLE MSW AP 160-B-1NO

MSW AP 160-B-1-NA

NEUTRAL POLE MSW AP 160-B-1NO
ROTARY DISCONNECTOR MSWB 40 B3 HB

MSWB 40 B3 HB

ROTARY DISCONNECTOR MSWB 40 B3 HB
NEUTRAL POLE MSW AP 25-P-1NO

MSW AP 25-P-1NA

NEUTRAL POLE MSW AP 25-P-1NO
ROTARY DISCONNECTOR MSW 25 P3 N

MSW 25 P3 N

ROTARY DISCONNECTOR MSW 25 P3 N
NEUTRAL POLE MSW AP 63-B-1NO

MSW AP 63-B-1NA

NEUTRAL POLE MSW AP 63-B-1NO
ROTARY DISCONNECTOR MSW 12 B3 H

MSW 12 B3 H

ROTARY DISCONNECTOR MSW 12 B3 H
ROTARY HANDLE MSW H 85-80-B-R

MSW H 80 B

ROTARY HANDLE MSW H 85-80-B-R
HANDLE SHAFT MSW HS 185-160

MSW HS 185-160

HANDLE SHAFT MSW HS 185-160

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.