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Allen-Bradley 440R-G23216
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 440R-G23216 Guardmaster Safety Relay is a vital component for contemporary industrial safety setups. It is expertly crafted to provide exceptional protection for both personnel and valuable machinery. As a key product within the Guardmaster series, this adaptable safety relay delivers dependable monitoring and intelligent control over essential safety functions in diverse industrial environments. Its robust construction and advanced features make it an excellent choice for integration into applications demanding stringent safety regulations, such as emergency stop mechanisms, comprehensive interlock switches, and precise light curtain supervision. Opting for the 440R-G23216 means investing in a proven solution that elevates your operational safety protocols, minimizes risks, and enhances overall productivity.Key Features Advanced Safety Monitoring: Expertly oversees a broad range of safety devices, from emergency stop buttons and safety gates to two-hand controls, ensuring extensive protection. Ultra-Compact Design: With an exceptionally slender 22.5 mm profile, this relay permits easy integration even into the most space-constrained control panels, optimizing cabinet space. Unwavering Reliability & Compliance: Achieves industry-leading SIL3 (IEC 61508) and PLe (ISO 13849-1, Category 4) ratings, guaranteeing a high level of functional safety and robust performance. Rapid Response Time: Features a swift response time of ≤ 20 ms, ensuring immediate activation and safeguarding operators from potential hazards. Simplified Installation: Equipped with user-friendly screw-clamp terminals and standard DIN rail mounting, facilitating quick and straightforward setup, reducing installation time and costs. Broad Application Versatility: Designed to support a myriad of safety applications, offering flexible solutions for various industrial machinery and processes. Global Certifications: UL, CE, and CSA certified, ensuring compliance with international safety standards and enabling worldwide deployment. Technical Specifications Input Voltage: 24V DC Safety Contacts: 2 Normally Open (N.O.) safety outputs Auxiliary Contact: 1 Normally Closed (N.C.) auxiliary contact Response Time: ≤ 20 ms Power Consumption: ≤ 2.5W Maximum Switching Current: 6A (resistive load) Terminal Type: Screw-clamp Mounting: DIN rail Housing Material: High-grade Polycarbonate Dimensions: 22.5 mm (Width) Standards Compliance: ISO 13849-1 (Category 4, Performance Level e - PLe), IEC 61508 (Safety Integrity Level 3 - SIL3) Certifications: UL, CE, CSA Applications Emergency Stop Systems: Critical monitoring for immediate machine shutdown in hazardous situations. Safety Interlock Systems: Ensuring gates, doors, and covers are securely closed before operation. Light Curtain Monitoring: Detecting personnel entry into hazardous areas to prevent accidents. Industrial Machine Safety: Comprehensive safety integration across various manufacturing and automation equipment. Robotics Safety: Implementing safety functions for robotic work cells to protect human operators. Process Control Safety: Maintaining safe operating conditions in complex industrial processes. Why ChooseThe 440R-G23216 offers unparalleled safety assurance with its SIL3 and PLe certifications, representing the highest functional safety levels crucial for your applications. Its uniquely slim 22.5 mm footprint allows for space-saving efficiency, enabling more components in less area and leading to compact, efficient control panel designs. Benefit from the trusted Allen-Bradley quality, known for legendary reliability and engineering excellence, ensuring long-term performance and durability. This relay provides seamless integration capability, designed for various safety devices and simple DIN rail mounting, offering superior adaptability to new and existing industrial setups. Its robust construction contributes to reduced downtime, enhancing overall operational efficiency.Order NowEnhance your industrial safety protocols today. Contact us to learn more about the Allen-Bradley 440R-G23216 Guardmaster Safety Relay and place your order.FAQWhat is the primary function of the Allen-Bradley 440R-G23216?Its primary function is to provide reliable and comprehensive safety monitoring and control for industrial machinery, ensuring protection for both personnel and equipment.What safety standards does this relay meet?The 440R-G23216 meets stringent safety standards, including SIL3 according to IEC 61508 and PLe (Category 4) according to ISO 13849-1.Can this safety relay be used in compact control panels?Yes, its ultra-compact 22.5 mm design makes it ideal for integration into space-constrained control panels, optimizing cabinet real estate.What types of safety devices can this relay monitor?It can monitor a wide array of safety devices, including emergency stop buttons, safety gates, two-hand controls, and light curtains.What kind of installation is required for the 440R-G23216?It features simplified installation with user-friendly screw-clamp terminals and standard DIN rail mounting.
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Allen-Bradley 440R-G23216
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
- Input Voltage: 24V DC
- Safety Contacts: 2 Normally Open (N.O.) safety outputs
- Auxiliary Contact: 1 Normally Closed (N.C.) auxiliary contact
- Response Time: ≤ 20 ms
- Power Consumption: ≤ 2.5W
- Maximum Switching Current: 6A (resistive load)
- Terminal Type: Screw-clamp
- Mounting: DIN rail
- Housing Material: High-grade Polycarbonate
- Dimensions: 22.5 mm (Width)
- Standards Compliance: ISO 13849-1 (Category 4, Performance Level e - PLe), IEC 61508 (Safety Integrity Level 3 - SIL3)
- Certifications: UL, CE, CSA
Applications
- Emergency Stop Systems: Critical monitoring for immediate machine shutdown in hazardous situations.
- Safety Interlock Systems: Ensuring gates, doors, and covers are securely closed before operation.
- Light Curtain Monitoring: Detecting personnel entry into hazardous areas to prevent accidents.
- Industrial Machine Safety: Comprehensive safety integration across various manufacturing and automation equipment.
- Robotics Safety: Implementing safety functions for robotic work cells to protect human operators.
- Process Control Safety: Maintaining safe operating conditions in complex industrial processes.
Why Choose the 440R-G23216?
The 440R-G23216 offers unparalleled safety assurance with its SIL3 and PLe certifications, representing the highest functional safety levels crucial for your applications. Its uniquely slim 22.5 mm footprint allows for space-saving efficiency, enabling more components in less area and leading to compact, efficient control panel designs. Benefit from the trusted Allen-Bradley quality, known for legendary reliability and engineering excellence, ensuring long-term performance and durability. This relay provides seamless integration capability, designed for various safety devices and simple DIN rail mounting, offering superior adaptability to new and existing industrial setups. Its robust construction contributes to reduced downtime, enhancing overall operational efficiency.
Availability & Shipping
- ▸In stock: 440R-G23216 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 440R-G23216 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.