PRODUCT DETAILS
440R-GL2S2P Allen-Bradley Guardmaster Safety Relay
Genuine New | Monitoring Safety Relay
Product Description
The 440R-GL2S2P Allen-Bradley Guardmaster Safety Relay is a genuine new industrial safety relay manufactured by Rockwell Automation. Designed for reliable monitoring of safety circuits, this Guardmaster® safety relay helps protect personnel and machinery in demanding industrial automation environments.
As an original AB Guardmaster monitoring safety relay, the 440R-GL2S2P is commonly used for emergency stop circuits, safety gates, and protective devices, providing fast and dependable safety response to meet modern machine safety requirements.
Key Features
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100% Genuine New Allen-Bradley (Rockwell Automation)
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Part Number: 440R-GL2S2P
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Product Type: Guardmaster Monitoring Safety Relay
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Operating Voltage: 24V DC
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Dual-Channel Safety Outputs
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DIN Rail Mounting
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Industrial-Grade Safety & Long Service Life
Technical Specifications
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Supply Voltage: 24V DC
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Safety Contacts: Dual-channel outputs
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Monitoring Functions: Emergency stop, safety gate, interlock devices
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Installation: DIN rail mounted
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Safety Category: Up to Category 4 (EN ISO 13849-1, system dependent)
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Brand: Allen-Bradley
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Manufacturer: Rockwell Automation
440R-GL2S2P vs Other Guardmaster Models
Allen-Bradley Guardmaster Safety Relay Comparison Table
| Parameter | 440R-GL2S2P | 440R-GL2S | 440R-GL2P |
|---|---|---|---|
| Brand | Allen-Bradley | Allen-Bradley | Allen-Bradley |
| Series | Guardmaster GL | Guardmaster GL | Guardmaster GL |
| Product Type | Monitoring Safety Relay | Monitoring Safety Relay | Monitoring Safety Relay |
| Supply Voltage | 24V DC | 24V DC | 24V DC |
| Safety Outputs | Dual-channel | Dual-channel | Dual-channel |
| Monitoring Function | E-Stop / Safety Gate / Interlock | E-Stop / Safety Gate | E-Stop / Interlock |
| Reset Type | Manual / Auto (configurable) | Manual | Manual |
| Response Time | Fast (industrial safety standard) | Fast | Fast |
| Safety Category* | Up to Cat. 4 | Up to Cat. 3–4 | Up to Cat. 3 |
| Performance Level* | Up to PL e | Up to PL d/e | Up to PL d |
| Mounting | DIN Rail | DIN Rail | DIN Rail |
| Typical Application | High-risk machine safety | Standard machine safety | Basic safety circuits |
| Ideal Use Case | New installs / upgrades | Replacements | Cost-sensitive systems |
* Safety category and PL depend on the overall system design (EN ISO 13849-1).
Key Differences Explained
✅ Why Choose 440R-GL2S2P
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Supports higher safety performance (up to PL e)
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More flexible monitoring & reset options
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Better suited for new machine installations and safety upgrades
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Preferred choice when compliance margin is critical
🔄 When 440R-GL2S Is Enough
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Existing Guardmaster GL systems
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Standard emergency stop or gate monitoring
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When upgrade to higher PL is not required
💰 When 440R-GL2P Makes Sense
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Basic safety circuits
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Lower risk machinery
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Budget-controlled replacement projects
Product Condition & Quality
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Condition: Brand New, Factory Sealed
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Fully compliant with original manufacturer specifications
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Suitable for new installations and safety system replacements
Compatibility & Integration
The 440R-GL2S2P safety relay is fully compatible with:
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Allen-Bradley Guardmaster safety systems
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Industrial machine safety control circuits
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PLC-based safety architectures
Typical Applications
This Allen-Bradley Guardmaster safety relay is widely applied in:
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Machine safety monitoring systems
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Emergency stop and safety interlock circuits
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Packaging, robotics, and assembly machinery
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Factory automation and industrial safety upgrades
Shipping & Delivery
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Original packaging with secure protection
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Fast worldwide shipping available
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Professional handling for industrial components



