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
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.