WEG MSWB 40 B3 HB - ROTARY DISCONNECTOR MSWB 40 B3 HB
WEG

MSWB 40 B3 HB

Alternate Item Number: 14906721

UPC: 7909522016786

Contact for Pricing

Overview

The WEG MSWB 40 B3 HB is a 3-pole rotary disconnector switch designed for reliable isolation of industrial electrical equipment. Manufactured by WEG, this enclosed disconnector is rated for 40 Amps and features an 85mm shaft for extended reach, facilitating safe operation and lockout/tagout (LOTO) procedures. It is compatible with WEG MSW25 and MSW40 motor switches, making it suitable for integration into motor control centers, distribution panels, and various industrial machinery applications. Constructed from durable thermoplastic, the MSWB 40 B3 HB ensures longevity in demanding environments. Available in Red/Yellow or Black/Gray housing, it provides a visible break for enhanced safety compliance. This WEG disconnector is engineered for secure and visible isolation, crucial for maintenance and operational safety in industrial settings. Its robust design and clear indication of switch status contribute to a safer working environment. The MSWB series from WEG offers dependable performance for critical power disconnection needs.
  • WEG MSWB 40 B3 HB Rotary Disconnector
  • 40 Amp Current Rating
  • 3-Pole Configuration
  • 85mm Shaft Length
  • Thermoplastic Enclosure

Specifications

Current Rating
40 A
Series
MSWB
Package Weight (Imperial)
0.88 LB
ROTARY HANDLE MSW H 85-40-B-B

MSW H 40-B-B

ROTARY HANDLE MSW H 85-40-B-B
DSN60 PHASE ROTATION METER

63-61043-MTR

DSN60 PHASE ROTATION METER
SBC 15 INTERMED. STUD BARS 40

50201040

SBC 15 INTERMED. STUD BARS 40
AUXILIARY CONTACT MSW AC 40-B-1NC

MSW AC-40 B 1NC

AUXILIARY CONTACT MSW AC 40-B-1NC
NEUTRAL POLE MSW AP 160-B-1NO

MSW AP 160-B-1-NA

NEUTRAL POLE MSW AP 160-B-1NO
AUXILIARY CONTACT MSW AC 80-B-1NO

MSW AC-80 B 1NO

AUXILIARY CONTACT MSW AC 80-B-1NO
ROTARY DISCONNECTOR MSW 25 P3

MSW 25 P-3

ROTARY DISCONNECTOR MSW 25 P3
AUXILIARY CONTACT MSW AC 80-B-1NC

MSW AC-80 B 1NC

AUXILIARY CONTACT MSW AC 80-B-1NC

Frequently Asked Questions

What motor switches does this disconnector support?

The MSWB 40 B3 HB supports MSW25 and MSW40 motor switches.

What is the shaft length of the MSWB 40 B3 HB?

The shaft length is 85mm.

Is the MSWB 40 B3 HB available in different colors?

Yes, it is available in red/yellow or black/gray housing.

What is the primary function of this rotary disconnector?

It provides a visible break for lockout/tagout (LOTO) compliance in industrial systems.

Where is the MSWB 40 B3 HB typically used?

It is used in motor control centers, distribution panels, and industrial machinery.

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.