WEG MSW AP 40-B-1NA - NEUTRAL POLE MSW AP 40-B-1NO
WEG

MSW AP 40-B-1NA

Alternate Item Number: 12727285

UPC: 7909158646555

Contact for Pricing

Overview

The WEG MSW AP 40-B-1NA Neutral Pole Motor Starter Disconnect Switch is a robust, industrial-grade solution designed to provide a visible means of isolation for motors and electrical equipment during maintenance, service, or repair operations. As a critical component in electrical safety systems, this disconnect switch ensures reliable de-energization of equipment, minimizing the risk of accidental energization and protecting personnel from electrical hazards. Manufactured by WEG, a globally recognized leader in motor and control solutions, the MSW AP 40-B-1NA combines durability, precision engineering, and compliance with international safety standards to deliver unmatched performance in demanding industrial environments. **Key Features and Benefits:** The WEG MSW AP 40-B-1NA is engineered for high-reliability applications where safety and operational efficiency are paramount. Its neutral pole design allows for clear visual confirmation of the open/closed status, eliminating ambiguity during maintenance procedures. The switch is lockout/tagout (LOTO) capable, ensuring full compliance with OSHA and other regulatory requirements for worker safety. This feature is particularly critical in industries such as manufacturing, oil and gas, mining, and water treatment, where equipment downtime for maintenance must be minimized while adhering to strict safety protocols. **Typical Applications and Industries:** This disconnect switch is widely utilized in industrial motor control centers (MCCs), conveyor systems, pumps, fans, and other heavy-duty machinery where reliable isolation is essential. In the manufacturing sector, it is commonly deployed in assembly lines, robotic systems, and automated production facilities to ensure safe maintenance access. The oil and gas industry relies on the MSW AP 40-B-1NA for critical isolation points in drilling rigs, refineries, and pipeline systems, where electrical safety is a top priority. Similarly, in mining operations, the switch provides a dependable means of disconnecting equipment such as crushers, conveyors, and ventilation systems during routine inspections or emergency shutdowns. Water treatment plants also benefit from its robust construction, using the switch to isolate pumps, aerators, and filtration systems for maintenance without compromising operational continuity. **Installation and Selection Considerations:** When selecting a disconnect switch for industrial applications, professionals must consider factors such as voltage rating, current capacity, environmental conditions, and compliance with local electrical codes. The WEG MSW AP 40-B-1NA is designed to meet stringent industrial standards, including UL, IEC, and NEMA certifications, ensuring compatibility with a wide range of electrical systems. Its compact design allows for easy integration into existing control panels or motor control centers, while its durable construction—typically featuring high-quality insulating materials and corrosion-resistant components—ensures long-term reliability even in harsh environments. **Why Choose WEG?** WEG has established itself as a trusted name in industrial electrical solutions, with decades of experience in designing and manufacturing high-performance motor control and protection products. The company’s commitment to innovation, quality, and customer support has made it a preferred supplier for industries worldwide. The MSW AP 40-B-1NA is a testament to WEG’s dedication to safety and reliability, offering engineers and maintenance professionals a dependable tool for ensuring operational safety and compliance. With global distribution networks and comprehensive technical support, WEG ensures that customers receive not only a superior product but also the expertise needed to implement it effectively in their applications. **Conclusion:** For industrial facilities prioritizing safety, efficiency, and compliance, the WEG MSW AP 40-B-1NA Neutral Pole Motor Starter Disconnect Switch is an indispensable component. Its visible isolation capability, LOTO compliance, and robust construction make it an ideal choice for a wide range of applications across multiple industries. By choosing WEG, customers gain access to a product backed by industry-leading expertise and a reputation for excellence in electrical solutions.
  • Visible means of isolation for motors and electrical equipment
  • Lockout/tagout (LOTO) capable for OSHA and safety compliance
  • High-reliability construction for demanding industrial environments
  • Compact design for easy integration into motor control centers
  • Compliant with UL, IEC, and NEMA standards

Specifications

Poles
1NO
Series
MSW AP 40-B
Package Weight (Imperial)
0.066 LB
JB5-2 2 POLE JUMPER 5.2MM SPACING

1SNK905302R0000

JB5-2 2 POLE JUMPER 5.2MM SPACING
CopperLink Ruggedized Long Range Ethernet Extender (Pre-Config Remote); 1 pair; 4 x10/100; -40 to 85C; internal +12 to +48VDC

CL1314R/R/DC

CopperLink Ruggedized Long Range Ethernet Extender (Pre-Config Remote); 1 pair; 4 x10/100; -40 to 85C; internal +12 to +48VDC
NEUTRAL POLE MSW AP 160-B-1NO

MSW AP 160-B-1-NA

NEUTRAL POLE MSW AP 160-B-1NO
Switching Function: Maintained Direction-Angle: 2 x 60� DegreesPanel Cutout: � 22.3 mm Shape: RoundIllumination: No Labeling Option: NoContact Type: 4-Pole M12 Connector (Integrated) A Coded Contact Equipment: 2 x NO

SVAWBII_C009

Switching Function: Maintained Direction-Angle: 2 x 60� DegreesPanel Cutout: � 22.3 mm Shape: RoundIllumination: No Labeling Option: NoContact Type: 4-Pole M12 Connector (Integrated) A Coded Contact Equipment: 2 x NO
CLOSING MECH DRAW PLATE

39-2A014-486

CLOSING MECH DRAW PLATE
HPE Superdome 2 In-line Power Connector

A6440A

HPE Superdome 2 In-line Power Connector
ION CHAMBER ASSY, ASH

125074-001

ION CHAMBER ASSY, ASH
This USB-C Female to USB-A Male SuperSpeed USB 5Gbps Adapter Converter is the perfect solution for connecting a USB-C device to a laptop or desktop computer that does not have a USB-C port. Simply connect the adapter converter into a USB-A port of a laptop or desktop computer and enjoy plug and play connectivity for USB-C devices. This adapter converter supports a data rate up to 5Gbps for data transfer and 900mA of power for device operation and charging. This adapter converter is compatible with earlier USB versions. The USB-C connector has a symmetrical design which is identical on both sides, so no more worrying about whether it's upside-down or right-side-up. It will plug in the first time, every time�while preventing damage to the connector port from frequent plugging and unplugging. Connector 1: (1) USB 3.0 A Male Connector 2: (1) USB-C Female Features * Small form factor for portability * Plug and Play�no driver required * Up to 5Gbps data transfer and 900mA of power * Compatible with USB 3.0 specification and earlier versions * Reversible, symmetrical USB-C connector

CG54427

This USB-C Female to USB-A Male SuperSpeed USB 5Gbps Adapter Converter is the perfect solution for connecting a USB-C device to a laptop or desktop computer that does not have a USB-C port. Simply connect the adapter converter into a USB-A port of a laptop or desktop computer and enjoy plug and play connectivity for USB-C devices. This adapter converter supports a data rate up to 5Gbps for data transfer and 900mA of power for device operation and charging. This adapter converter is compatible with earlier USB versions. The USB-C connector has a symmetrical design which is identical on both sides, so no more worrying about whether it's upside-down or right-side-up. It will plug in the first time, every time�while preventing damage to the connector port from frequent plugging and unplugging. Connector 1: (1) USB 3.0 A Male Connector 2: (1) USB-C Female Features * Small form factor for portability * Plug and Play�no driver required * Up to 5Gbps data transfer and 900mA of power * Compatible with USB 3.0 specification and earlier versions * Reversible, symmetrical USB-C connector
Punch Die set for Rectangular Connector, Size 77.27

CHI-16-PUNCH

Punch Die set for Rectangular Connector, Size 77.27
SPARE CONNECTOR KIT ATYS FT

16090002

SPARE CONNECTOR KIT ATYS FT
Single Key (M12) Micro-Link Cable Assembly, PVC Braided, Male/Female, 5 pole, 16.4', 22 AWG

305K0164H

Single Key (M12) Micro-Link Cable Assembly, PVC Braided, Male/Female, 5 pole, 16.4', 22 AWG
16 analog input - 0~20/4~20mA - 16bit resolution - 20pt connector (use cable art. 313296)

100-8141

16 analog input - 0~20/4~20mA - 16bit resolution - 20pt connector (use cable art. 313296)

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.