440R-C23139 | Allen-Bradley MSR | Safety Monitoring Relay
Manufacturer: Allen-Bradley
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Part Number: 440R-C23139
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-C23139 is a safety monitoring relay from the Guardmaster Minotaur / MSR family, model MSR131RTP. It is designed to monitor safety devices such as emergency stop circuits, safety gate switches, light curtains, and safety mats, ensuring reliable shutdown of hazardous motion when a fault or demand occurs.
The 440R-C23139 supports dual-channel safety inputs with cross-fault detection and offers automatic, manual, or monitored reset modes. With multiple safety and auxiliary outputs, it integrates easily into safety-related control systems requiring high integrity performance.
Functional Description
This relay evaluates dual-channel safety signals and controls force-guided safety outputs. Internal diagnostics detect short circuits, channel discrepancies, and wiring faults. Reset behavior can be configured to meet different machine safety strategies, including monitored manual reset for prevention of unexpected restart.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | 440R-C23139 |
| Manufacturer | Allen-Bradley |
| Product Family | Guardmaster Minotaur / MSR |
| Device Type | Safety monitoring relay |
| Subseries | MSR131RTP |
| Supply Voltage | 24 V AC/DC |
| Safety Inputs | E-stop, safety gate, light curtain, safety mat |
| Input Configuration | Dual-channel |
| Safety Outputs | 3 × Normally Open (NO), force-guided |
| Auxiliary Outputs | 2 × Normally Closed (NC), 2 × PNP solid-state |
| Reset Modes | Automatic, manual, monitored manual |
| Safety Category | Category 4 (ISO 13849-1) |
| Performance Level | PL e |
| SIL Rating | SIL 3 (IEC 61508) |
| Mounting | DIN rail |
| Terminal Type | Removable screw terminals |
| Housing Width | 45 mm |
| Enclosure Rating | IP20 (control cabinet installation) |
| Operating Temperature | –20 °C to +55 °C |
| Certifications | UL, CE, CSA, TÜV |
| Weight | 0.70 lb (0.32 kg) |
| Lifecycle Status | Active |