Product Details
Product Description
The Allen Bradley 440R-W23218 Guardmaster MSR320P is a modular safety relay designed for monitoring and controlling machine safety functions. Built for industrial environments, it provides dependable relay switching and integrates into safety systems requiring certified compliance. Its compact design and DIN rail mounting make installation straightforward, while its robust construction ensures long-term reliability.
Technical Specifications
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Manufacturer Allen Bradley
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Product Line Guardmaster Safety Relays
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Product Type Safety Relay Module
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Part Number 440R-W23218
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Relay Type MSR320P
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Category Safety Systems
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Subcategory Safety Relay
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Weight 0.75 lbs (0.34 kg)
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Mounting Style DIN rail
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Operation Modular monitoring safety relay
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Certifications UL, CE, CSA (legacy compliance)
Application Scenarios
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Machine safety monitoring in industrial automation systems
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Integration into modular Guardmaster relay networks
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Applications requiring certified safety relay modules for operator protection
FAQ
Q: What type of relay is the 440R-W23218? A: It is a Guardmaster MSR320P modular monitoring safety relay.
Q: How is the module installed? A: It is DIN rail mountable for easy integration into control panels.
Q: What is the weight of the unit? A: Approximately 0.75 lbs (0.34 kg).
Comparable Models
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440R-W23218: MSR320P modular safety relay (this model)
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440R-W23221: MSR330P safety relay with immediate output response
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440R-W22917: MSR127 dual-channel safety relay
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.