Safety Monitoring Relay | 440R-D22R2 MSR | Allen-Bradley
Manufacturer: Allen-Bradley
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Part Number: 440R-D22R2
Condition：New with Original Package
Product Type: Safety Monitoring Relay
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
Product Overview
The Allen-Bradley 440R-D22R2 is a high-integrity safety relay from the Guardmaster Minotaur / MSR family. Designed to monitor safety devices including emergency stop buttons, safety gates, interlock switches, valves, optoelectronic protection, tactile sensors, magnetic switches, and proximity switches, it ensures machinery stops safely when a hazardous condition occurs.
This relay provides dual-channel monitoring for redundancy and fault detection, delivering maximum reliability for critical industrial safety systems.
Electrical & Functional Details
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Suitable for monitoring position switches, emergency stops, valves, tactile and magnetic sensors, optoelectronic protection, and proximity switches
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Rated operation current: 3 A at AC-15, 230 V; DC-13, 24 V
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Dual-channel inputs with fault detection
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Automatic, manual, or monitored reset options
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Safety Outputs: 2 × NO (Normally Open)
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Auxiliary Outputs: 2 × NC (Normally Closed)
Technical Specifications
| Parameter | Details |
|---|---|
| Model | 440R-D22R2 |
| Series | Guardmaster MSR / Minotaur |
| Type | Safety Monitoring Relay |
| Supply Voltage | 24 V AC/DC |
| Safety Outputs | 2 × NO |
| Auxiliary Outputs | 2 × NC |
| Channels | Dual-channel (supports single-channel if needed) |
| Reset Options | Automatic, manual, monitored |
| Safety Category | ISO 13849-1 Category 4 |
| Performance Level | PL e |
| SIL Rating | SIL 3 (IEC 61508) |
| Terminal Type | Screw terminals |
| Mounting | DIN rail |
| Dimensions (HxWxD) | 114.5 × 99 × 45 mm |
| Enclosure Protection | IP20 |
| Operating Temperature | –20 °C to +55 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity | 5–95% non-condensing |
| Certifications | UL, CE, CSA, TÜV |
| Lifecycle Status | Active |