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Allen-Bradley 440P-MSLB22B Safety Limit Switch with Short Lever Actuator

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Allen-Bradley 440P-MSLB22B

by Allen-Bradley

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OverviewThe Allen-Bradley 440P-MSLB22B is an advanced safety limit switch meticulously crafted for rigorous industrial settings. This resilient device delivers dependable and accurate position sensing, crucial for protecting personnel and machinery across a wide spectrum of equipment. Constructed with a sturdy 30mm metal housing, it is built to endure harsh operational conditions, guaranteeing longevity and consistent performance. Its distinctive short lever actuator is perfect for situations where space is restricted or a shorter actuation distance is necessary, making it a flexible solution for sophisticated industrial configurations. Featuring two normally closed (N.C.) and two normally open (N.O.) contacts, alongside Break-Before-Make (BBM) timing, the 440P-MSLB22B provides superior switching capabilities vital for redundant safety circuits and various control functions. Furthermore, the M20 conduit connection ensures a standard and secure interface for industrial wiring, facilitating effortless integration into existing systems. Opt for the Allen-Bradley 440P-MSLB22B for unmatched safety, dependability, and precision in your essential industrial applications.Key Features Durable 30mm Metal Housing: Offers exceptional resilience and defense against impacts, vibrations, and environmental stressors in challenging industrial environments, ensuring an extended operational life. Compact Lever Actuator: Specifically engineered for confined areas or applications requiring minimal actuation travel, providing adaptability in machine design and installation. 2 N.C. and 2 N.O. Contacts with BBM Timing: Delivers versatile and secure switching, enabling redundant safety circuits and preventing momentary contact overlaps for enhanced system integrity. M20 Conduit Connection: Ensures a universally compatible and straightforward wiring interface, streamlining installation and maintenance processes in industrial electrical systems. Positive Opening Operation: Guarantees that the normally closed contacts reliably disengage when the actuator is activated, a critical safety feature that prevents unexpected machine operation due to contact welding. High-Precision Position Sensing: Provides accurate and consistent detection of machine component positions, playing a vital role in the proper functioning and safety interlocking of automated systems. Technical SpecificationsThe Allen-Bradley 440P-MSLB22B stands as a premium safety limit switch from a reputable manufacturer. It features a robust metal housing and a short lever actuator, rendering it suitable for diverse industrial uses. The contact configuration includes 2 N.C. and 2 N.O. contacts with Break-Before-Make (BBM) timing, guaranteeing precise and secure operation. It employs an M20 conduit connection for standard industrial wiring. This safety limit switch is an indispensable component for machine safeguarding and reliable position monitoring.Applications Machinery Guarding: Essential for interlocking safety gates and access panels, ensuring equipment cannot operate when guards are open. Safety Gate Interlocks: Provides dependable detection of safety gate closure, activating safety functions to prevent access to moving parts during operation. Conveyor System Monitoring: Utilized for position monitoring of conveyor components, preventing blockages and ensuring seamless material flow. Packaging Equipment: Integrates into packaging lines to monitor the position of machine elements, improving operational safety and efficiency. Robotics Applications: Crucial for sensing the position of robotic arms and end-effectors, contributing to the safe operation of automated robotic cells. Confined Space Installations: Its compact design and short lever actuator make it an optimal choice for machinery where installation space is restricted. Why ChooseUncompromised Safety: The combination of positive opening operation, BBM contacts, and a robust design ensures the highest level of safety for your industrial applications.Trusted Manufacturer: As a product from Allen-Bradley, a leader in industrial automation, you can rely on the quality and performance of the 440P-MSLB22B.Order NowEnhance the safety and reliability of your industrial systems. Order the Allen-Bradley 440P-MSLB22B safety limit switch today.FAQWhat is the primary function of the Allen-Bradley 440P-MSLB22B?Its primary function is to provide reliable and precise position sensing in industrial environments, crucial for safeguarding personnel and equipment.What makes the short lever actuator beneficial?The short lever actuator is ideal for applications where space is minimal, allowing for flexible installation in complex industrial setups.How does the Break-Before-Make (BBM) timing enhance safety?BBM timing prevents momentary contact overlaps, which is crucial for redundant safety circuits and ensuring enhanced system integrity.What kind of environments is this safety limit switch suitable for?With its durable 30mm metal housing, it is engineered to withstand harsh operating conditions, ensuring longevity and consistent performance in demanding industrial settings.Can this device be easily integrated into existing systems?Yes, the M20 conduit connection ensures a standard and secure interface for industrial wiring, facilitating easy integration into existing systems.

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PRODUCT DETAILS

Allen-Bradley 440P-MSLB22B

Overview

This is a genuine Allen-Bradley component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

The Allen-Bradley 440P-MSLB22B stands as a premium safety limit switch from a reputable manufacturer. It features a robust metal housing and a short lever actuator, rendering it suitable for diverse industrial uses. The contact configuration includes 2 N.C. and 2 N.O. contacts with Break-Before-Make (BBM) timing, guaranteeing precise and secure operation. It employs an M20 conduit connection for standard industrial wiring. This safety limit switch is an indispensable component for machine safeguarding and reliable position monitoring.

Applications

  • Machinery Guarding: Essential for interlocking safety gates and access panels, ensuring equipment cannot operate when guards are open.
  • Safety Gate Interlocks: Provides dependable detection of safety gate closure, activating safety functions to prevent access to moving parts during operation.
  • Conveyor System Monitoring: Utilized for position monitoring of conveyor components, preventing blockages and ensuring seamless material flow.
  • Packaging Equipment: Integrates into packaging lines to monitor the position of machine elements, improving operational safety and efficiency.
  • Robotics Applications: Crucial for sensing the position of robotic arms and end-effectors, contributing to the safe operation of automated robotic cells.
  • Confined Space Installations: Its compact design and short lever actuator make it an optimal choice for machinery where installation space is restricted.

Why Choose the 440P-MSLB22B?

Uncompromised Safety: The combination of positive opening operation, BBM contacts, and a robust design ensures the highest level of safety for your industrial applications.

Trusted Manufacturer: As a product from Allen-Bradley, a leader in industrial automation, you can rely on the quality and performance of the 440P-MSLB22B.

Availability & Shipping

  • In stock: 440P-MSLB22B ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 440P-MSLB22B ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

Its primary function is to provide reliable and precise position sensing in industrial environments, crucial for safeguarding personnel and equipment.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

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