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Allen-Bradley 440G-T27251
by Allen-Bradley
Read verified buyer reviews ↓OverviewIncrease the safety of your industrial operations with the Allen-Bradley 440G-T27251 TLS-GD2 Guard Locking Switch. This vital safety device safeguards machinery and personnel. Designed to meet strict safety regulations, the 440G-T27251 ensures dangerous equipment remains securely locked until safe conditions are verified, preventing accidental entry during use or maintenance. Its durable build and precise engineering make it a crucial component for any modern automated system needing reliable interlock functionality. This guard locking switch connects effortlessly into existing safety circuits, providing both strong performance and assurance.Key Features Advanced Guard Locking: Employs a TLS-GD2 system for dependable securing of safety barriers and gates. Flexible Power Input: Functions effectively with a 24V AC/DC solenoid voltage, ensuring broad power supply compatibility. Dual N.C. Safety Contacts: Includes two normally closed safety contacts, offering redundant safety output for crucial uses. Integrated N.O. Auxiliary Contact: Features one normally open auxiliary contact for convenient status oversight and diagnostic feedback to control systems. Superior Holding Force: Delivers a substantial 2000N (approximately 450 lbs) holding force, stopping unintentional guard opening. Standard Actuator Compatibility: Engineered to operate with a standard actuator, providing adaptability in mounting and application. Simple Wiring: Equipped with an M20 conduit entry, simplifying wiring and ensuring a secure, orderly setup within industrial control panels. Technical Specifications Model: 440G-T27251 Switch Type: Guard Locking Switch (TLS-GD2) Brand: Allen-Bradley Solenoid Voltage: 24V AC/DC Safety Contacts: 2 N.C. (Normally Closed) Auxiliary Contacts: 1 N.O. (Normally Open) Holding Force: 2000N (450 lbs) Actuator Type: Standard Conduit Entry: M20 Applications Thorough Machine Guarding: Essential for securing safety gates and access points on diverse industrial machinery, including presses, robots, and automated assembly operations. Personnel Protection Systems: Critical for creating protective zones, preventing operator access to dangerous moving parts during operation. Industrial Automation Safety: Integrates into complex safety systems to achieve adherence to global safety benchmarks and regulations. Access Control for Hazardous Areas: Perfect for controlling entry into zones with high-risk operations, ensuring safety protocols are strictly followed. Robotics and Conveyor Systems: Provides dependable interlock features for robotic workstations and conveyor belts, protecting both equipment and individuals. Process Control Environments: Boosts safety in processing facilities where moving components or hazardous conditions require secure access management. Why ChooseThe Allen-Bradley 440G-T27251 is specifically designed for crucial safety applications, helping you fulfill regulatory requirements and safeguard your workforce. Constructed with Allen-Bradley's renowned quality, this guard locking switch provides outstanding durability and a long operational lifespan, even in demanding industrial settings. Its standard design and flexible electrical specifications ensure straightforward integration into current or new safety circuits and control panels. The auxiliary contact offers valuable feedback for system status monitoring, streamlining troubleshooting and reducing downtime. With a 2000N holding force, this switch provides superior protection against sudden guard opening, enhancing operational security. Allen-Bradley is a global leader in industrial automation, ensuring you receive a product backed by extensive knowledge and dependable assistance.Order NowImprove your operational safety today. Contact us to learn more about the Allen-Bradley 440G-T27251 guard locking switch or to place your order. Our experts are ready to assist you in selecting the ideal safety solutions for your specific operational needs.FAQWhat is the primary function of the Allen-Bradley 440G-T27251?The main purpose of the Allen-Bradley 440G-T27251 is to provide robust guard locking for industrial machinery, ensuring safety and preventing unauthorized access to dangerous areas during operation or maintenance.What is the holding force capacity of this guard locking switch?This guard locking switch offers a significant holding force of 2000N, which is approximately 450 pounds, ensuring strong security against unintended guard release.Can this switch be integrated into existing safety systems?Yes, the Allen-Bradley 440G-T27251 is designed for easy integration into both new and existing safety circuits due to its standard design and adaptable electrical specifications.What type of electrical contacts does this model have?It features two normally closed (N.C.) safety contacts for redundant safety output and one normally open (N.O.) auxiliary contact for status monitoring and diagnostic feedback.Is the Allen-Bradley 440G-T27251 suitable for harsh industrial environments?Absolutely, built with Allen-Bradley's known quality, this switch is designed for durability and a long service life even in challenging industrial conditions.
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Allen-Bradley 440G-T27251
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: 440G-T27251
- Switch Type: Guard Locking Switch (TLS-GD2)
- Brand: Allen-Bradley
- Solenoid Voltage: 24V AC/DC
- Safety Contacts: 2 N.C. (Normally Closed)
- Auxiliary Contacts: 1 N.O. (Normally Open)
- Holding Force: 2000N (450 lbs)
- Actuator Type: Standard
- Conduit Entry: M20
Applications
- Thorough Machine Guarding: Essential for securing safety gates and access points on diverse industrial machinery, including presses, robots, and automated assembly operations.
- Personnel Protection Systems: Critical for creating protective zones, preventing operator access to dangerous moving parts during operation.
- Industrial Automation Safety: Integrates into complex safety systems to achieve adherence to global safety benchmarks and regulations.
- Access Control for Hazardous Areas: Perfect for controlling entry into zones with high-risk operations, ensuring safety protocols are strictly followed.
- Robotics and Conveyor Systems: Provides dependable interlock features for robotic workstations and conveyor belts, protecting both equipment and individuals.
- Process Control Environments: Boosts safety in processing facilities where moving components or hazardous conditions require secure access management.
Why Choose the 440G-T27251?
The Allen-Bradley 440G-T27251 is specifically designed for crucial safety applications, helping you fulfill regulatory requirements and safeguard your workforce. Constructed with Allen-Bradley's renowned quality, this guard locking switch provides outstanding durability and a long operational lifespan, even in demanding industrial settings. Its standard design and flexible electrical specifications ensure straightforward integration into current or new safety circuits and control panels. The auxiliary contact offers valuable feedback for system status monitoring, streamlining troubleshooting and reducing downtime. With a 2000N holding force, this switch provides superior protection against sudden guard opening, enhancing operational security. Allen-Bradley is a global leader in industrial automation, ensuring you receive a product backed by extensive knowledge and dependable assistance.
Availability & Shipping
- ▸In stock: 440G-T27251 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 440G-T27251 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.
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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.