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Allen-Bradley 440P-MSLS11E
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 440P-MSLS11E is a high-performance industrial limit switch engineered for demanding applications requiring precise position sensing and robust safety interlocking. Part of the renowned Guardmaster 440P Series, this heavy-duty switch boasts a large metal short lever actuator, meticulously designed to withstand the rigors of harsh industrial environments. Its superior durability and unwavering reliability make it an indispensable component for maintaining operational integrity and ensuring worker safety across a diverse range of automation and control systems.Integrated with one normally open (N.O.) and one normally closed (N.C.) contact, the 440P-MSLS11E facilitates seamless integration into critical control circuits, providing immediate and accurate feedback for various industrial processes. The inclusion of a 1/2-inch NPT conduit entry simplifies wiring and installation, ensuring a secure and efficient connection for immediate deployment in your facility.Key Features Large Metal Short Lever Actuator: Provides exceptional durability and precise, reliable actuation even in challenging industrial settings. 1 Normally Open (N.O.) & 1 Normally Closed (N.C.) Contact: Delivers versatile and secure switching capabilities for critical control circuit integration. Heavy-Duty Metal Construction: Guarantees unparalleled robustness and longevity, specifically engineered to endure the most demanding industrial applications. 1/2-inch NPT Conduit Entry: Ensures secure, straightforward wiring and simplified installation processes, reducing downtime. High-Performance Industrial Limit Switch: Optimized for critical automation and safety applications where precision and reliability are paramount. Guardmaster 440P Series Reliability: A trusted component within the established Allen-Bradley Guardmaster safety portfolio, ensuring compliance and peace of mind. Precise Position Detection: Offers accurate and consistent sensing for machine safeguarding and operational efficiency. Technical Specifications Model: 440P-MSLS11E Series: 440P Limit Switch Actuator Type: Large Metal Short Lever Contact Configuration: 1 N.O. & 1 N.C. Conduit Entry: 1/2-inch NPT Construction: Heavy-Duty Metal Operating Temperature Range: Consult datasheet for specific values (typically -25°C to +80°C) Approvals: Designed to meet relevant industrial safety standards and certifications. Applications Machine Safety and Position Interlocking: Crucial for ensuring that machinery operates safely by detecting the position of guards, doors, and moving parts. Conveyor and Automation System Control: Provides reliable feedback for the movement and positioning of materials within automated production lines. Heavy Industrial Equipment Monitoring: Ideal for use in robust machinery where precise end-of-travel detection is essential. Material Handling Systems: Ensures accurate sensing of loads and carrier positions for efficient and safe material transfer. Robotic Work Cells: Integrates seamlessly with robotic systems to provide critical safety and operational feedback. General Industrial Automation: A versatile solution for any application requiring dependable limit switching in harsh environments. Why Choose?The 440P-MSLS11E from Allen-Bradley offers unparalleled advantages for your industrial operations. Its robust construction ensures extended product life in the most challenging conditions, minimizing replacement expenses and operational halts. As part of the respected Guardmaster series, this device helps you conform to rigorous safety standards, providing confidence and personnel protection. Benefit from consistent and accurate position detection, essential for peak machine performance and preventing costly operational inaccuracies.Order NowUpgrade your industrial safety and control systems with the Allen-Bradley 440P-MSLS11E. Contact us today to place your order and ensure the highest standards of operational efficiency and personnel protection.FAQWhat distinguishes the 440P-MSLS11E from other limit switches?This model is recognized for its heavy-duty metal construction and a large metal short lever actuator, offering superior durability and precise performance in demanding industrial settings, often as part of the Guardmaster safety portfolio.Can this switch be integrated into existing safety circuits?Absolutely. With one normally open (N.O.) and one normally closed (N.C.) contact, the 440P-MSLS11E is designed for straightforward integration into various control and safety systems.What type of environments is the 440P-MSLS11E suitable for?Its robust design makes it ideal for harsh industrial environments, including heavy machinery, conveyor systems, material handling, and robotic work cells, where precision and reliability are crucial.Is installation complex for this device?No, the 1/2-inch NPT conduit entry is specifically designed to facilitate secure and simple wiring, ensuring an efficient and quick installation process.How does this product contribute to industrial safety?As a high-performance limit switch and part of the Guardmaster 440P Series, it provides accurate position detection and reliable safety interlocking, essential for safeguarding machinery and personnel.
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Allen-Bradley 440P-MSLS11E
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:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- 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
- Model: 440P-MSLS11E
- Series: 440P Limit Switch
- Actuator Type: Large Metal Short Lever
- Contact Configuration: 1 N.O. & 1 N.C.
- Conduit Entry: 1/2-inch NPT
- Construction: Heavy-Duty Metal
- Operating Temperature Range: Consult datasheet for specific values (typically -25°C to +80°C)
- Approvals: Designed to meet relevant industrial safety standards and certifications.
Applications
- Machine Safety and Position Interlocking: Crucial for ensuring that machinery operates safely by detecting the position of guards, doors, and moving parts.
- Conveyor and Automation System Control: Provides reliable feedback for the movement and positioning of materials within automated production lines.
- Heavy Industrial Equipment Monitoring: Ideal for use in robust machinery where precise end-of-travel detection is essential.
- Material Handling Systems: Ensures accurate sensing of loads and carrier positions for efficient and safe material transfer.
- Robotic Work Cells: Integrates seamlessly with robotic systems to provide critical safety and operational feedback.
- General Industrial Automation: A versatile solution for any application requiring dependable limit switching in harsh environments.
Why Choose the 440P-MSLS11E?
The 440P-MSLS11E from Allen-Bradley offers unparalleled advantages for your industrial operations. Its robust construction ensures extended product life in the most challenging conditions, minimizing replacement expenses and operational halts. As part of the respected Guardmaster series, this device helps you conform to rigorous safety standards, providing confidence and personnel protection. Benefit from consistent and accurate position detection, essential for peak machine performance and preventing costly operational inaccuracies.
Availability & Shipping
- ▸In stock: 440P-MSLS11E 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-MSLS11E ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
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.
Related Allen-Bradley resources
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Independent Supplier Notice
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.