For industrial equipment involving personal safety protection, machine interlock stop, usa de siguranta / light curtain / oprire de urgență / two-hand control, the Allen‑Bradley 440R series safety relays are the standard default components for Rockwell Automation safety circuits. They cover almost all safety applications for machinery in discrete manufacturing and process industries.
- Definirea segmentului de model
| Segmentul de model | Descriere |
| MSR230P | Product identifier: MSR = Minotaur Safety Relay; 230 = 24VDC control voltage; P = Manual / automatic reset function |
| 440R | Prefix for Allen radley Rockwell Automation 440R safety product series |
| H | Codul funcției: Monitoring-type safety relay, suitable for single/dual-channel safety inputs such as emergency stop buttons and safety door switches |
| 23180 | Product serial number: Series B; 2 normally open safety outputs, 1 normally closed auxiliary output, configurație standard |
| Model complet | 440R-H23180 (official full part number); MSR230P is the product series identifier |
- Specificații de bază
| Categoria parametrilor | Specificații |
| Basic Info | Allen-Bradley Guardmaster Minotaur MSR230P Safety Relay, Series B, Made in USA, Învechit (Dec 31, 2017) |
| Tensiune de control | 24VDC (19.2~31.2VDC) |
| Safety Input | 1 dual-channel safety input (suporturi 2 contacte normal închise) |
| Ieșire de siguranță | 2 Deschis normal (NU) safety contacts; |
| Evaluat: 3A @24VDC (DC-13), 6A @240VAC (AC-15) | |
| Ieșire auxiliară | 1 În mod normal închis (NC) contact auxiliar; |
| Evaluat: 3A @24VDC / 240VAC | |
| Nivel de siguranță | ÎN ISO 13849-1 Cat.4, Performance Level PL e, SIL 3 |
| Timp de răspuns | ≤15ms |
| Modul de resetare | Selectable Manual Reset (MM) / Resetare automată (AM) |
| Montare | Montare pe șină DIN, 45mm latime |
| Protecție la intrare | IP20 (front panel) |
| Temperatura de operare | -25℃ ~ +60℃ |
| Temperatura de depozitare | -40℃ ~ +85℃ |
| Certificari | CE, UL, CSA, TÜV |
- Standard Accessories List
- Safety Relay Main Unit (440R-H23180 / MSR230P)
- Installation Manual (Hard copy + Electronic version)
- Certificate of Conformity & Warranty Card
- DIN rail mounting clips
- Terminal identification labels
- Reset button protective cover (Opțional)
- Echivalent între mărci & Replacement Table
| Marca | Equivalent Model | Key Parameter Match | Main Differences |
| Rockwell Recommended Replacement | 440R-EM4R2 | 24VDC, 2NO safety output, 1NC auxiliary output, Cat.4 | Design modular, expandable functions, higher price |
| Pilz | PNOZ X1 24VDC | 24VDC, 2NO safety output, 1NC auxiliary output, Cat.4 | Faster response ≤10ms, similar price |
| Siemens | 3SK1111-1AB30 | 24VDC, 2NO safety output, 1NC auxiliary output, Cat.4 | Integrated diagnostics, TIA Portal compatible |
| Schneider | XPSAC5121 | 24VDC, 2NO safety output, 1NC auxiliary output, Cat.4 | More compact (22.5mm latime), rentabil |
| Weidmüller | SCS 24VDC P1 | 24VDC, 2NO safety output, 1NC auxiliary output, Cat.4 | Flexible wiring, ideal for compact control cabinets |
- Ghid de selecție & Soluții de înlocuire
Ghid de selecție
- Safety Function Matching
Suitable for single/dual-channel safety input monitoring: butoane de oprire de urgență, safety door switches, safety mats, etc.
Meets high safety rating Cat.4 / PL e / SIL 3 for hazardous machinery protection.
Not suitable for complex functions such as safety door interlock or two-hand control.
- Electrical Parameter Verification
Control voltage must match 24VDC (19.2~31.2VDC).
Safety output load current ≤3A@24VDC or ≤6A@240VAC.
Auxiliary output load current ≤3A@24VDC/240VAC.
- Instalare & Cerințe de mediu
Temperatura de functionare: -25℃~+60℃ (derate above 40℃).
Relative humidity: 5%~95% (necondens).
Install inside control cabinet; avoid dust, corrosive gas and heavy vibration.
Soluții de înlocuire
- Same-Brand Upgrade Replacement
440R-EM4R2: Modular, expandable functions, compatible with original mounting dimensions.
440R-M23088 (MSR138.1DP): Single-channel monitoring, 2NU+1NC, equivalent performance.
- Function Expansion Options
Add 440R-EM series expansion modules for multi-channel safety monitoring.
Adopt 440R-GSR intelligent safety relays with Profinet / Comunicare EtherNet/IP.
Upgrade to Guardmaster MSR200 expandable system, supports up to 22 input points.
- Cross-Brand Recommendation
Cost performance: Schneider XPSAC5121 (compact & low cost)
Premium safety performance: Pilz PNOZ X1 (răspuns rapid, full certifications)
Siemens system integration: 3SK1111-1AB30 (seamless TIA Portal integration)
- Scenarii de aplicare
Machine tool safety door monitoring & emergency stop control
Packaging machinery safety protection systems
Production line safety interlock control
Robot workstation safety perimeter protection
Printing machinery safety protection circuits
- MSR Series Main Model List
| Model | Tensiune de control | Ieșire de siguranță | Ieșire auxiliară | Modul de resetare | Nivel de siguranță |
| MSR230P (440R-H23180) | 24VDC | 2NU | 1NC | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR220P (440R-H23178) | 24VDC | 2NU | 1NC | Manual | Cat.4/PL e/SIL 3 |
| MSR126.1R (440R-N23118) | 230VAC | 2NU | 1NC | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR125HP (440R-D23171) | 24VAC/DC | 2NU | 1NC | Auto | Cat.4/PL e/SIL 3 |
| MSR330P (440R-W23222) | 24VDC | 3NU | 1NC | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR5T (440R-B23020) | 24VAC/DC | 3NU | 1NC | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR22LM (440R-P23071) | 24VDC | 2NU | 1NC | Manual/Auto | Cat.4/PL e/SIL 3 |
- Cross-Brand Compatibility Chart (24VDC, 2NU+1NC)
| Marca | Model | Nivel de siguranță | Timp de răspuns | Lăţime | Gama de prețuri |
| Allen-Bradley | 440R-H23180 (MSR230P) | Cat.4/PL e/SIL 3 | 15Domnișoară | 45mm | $80~$120 |
| Pilz | PNOZ X1 24VDC | Cat.4/PL e/SIL 3 | 10Domnișoară | 22.5mm | $90~$130 |
| Siemens | 3SK1111-1AB30 | Cat.4/PL e/SIL 3 | 12Domnișoară | 22.5mm | $100~$140 |
| Schneider | XPSAC5121 | Cat.4/PL e/SIL 3 | 15Domnișoară | 22.5mm | $70~$100 |
| Weidmüller | SCS 24VDC P1 | Cat.4/PL e/SIL 3 | 15Domnișoară | 22.5mm | $80~$110 |
| Omron | G9SA-321-T075 | Cat.4/PL e/SIL 3 | 15Domnișoară | 22.5mm | $60~$90 |
- Key Features Summary
- High Safety Rating
Conform EN ISO 13849-1 Cat.4, PL e and SIL 3, suitable for high-risk machinery applications.
- Flexible Reset
Supports both manual and automatic reset modes to fit different site requirements.
- Reliable Performance
Dual-channel input monitoring with fail-safe design, ensuring safety outputs open under hazardous conditions.
- Structură compactă
45mm DIN rail mounting saves control cabinet space.
- Global Certifications
CE, UL, CSA, TÜV approved, suitable for international projects.
Allen-Bradley Guardmaster Minotaur MSR Series Full Model List
- Regula de denumire a modelului
| Segment | Descriere | Exemplu |
| 440R- | Rockwell Allen radley 440R safety series prefix | 440R-H23180 |
| MSRXXX | Minotaur Safety Relay series ID | MSR230P |
| Tensiune de control | 24VDC / 24VAC/DC / 115VAC / 230VAC | 230=24VDC, 126=230VAC |
| Function Code | Monitorizare / Two-hand / Time-delay / Expansiune | H=Monitoring, D=Two-hand, G=Multi-output |
| Output Configuration | Siguranţă(NU) + Auxiliar(NC) | 23180=2NO+1NC |
| Modul de resetare | P=Manual/Auto selectable, T=Manual, R=Auto | MSR230P = Manual/Auto reset |
| Tip terminal | Fix / Removable | M=Removable; no mark=Fixed |
- Full Main Model List by Category
2.1 Monitoring Safety Relays (Oprire de urgență / Safety Door)
| Official Model | ID-ul seriei | Tensiune de control | Ieșire de siguranță | Aux Output | Modul de resetare | Nivel de siguranță | Stare |
| 440R-H23180 | MSR230P | 24VDC | 2NU | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Învechit |
| 440R-H23177 | MSR211P | 24VDC | 2NU | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Învechit |
| 440R-H23178 | MSR220P | 24VDC | 2NU | 1NC | Manual | Cat.4/PL e/SIL3 | Învechit |
| 440R-N23118 | MSR126.1R | 230VAC | 2NU | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-N23112 | MSR126.1T | 230VAC | 2NU | 2NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-N23123 | MSR126R | 230VAC | 2NU | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-M23088 | MSR138.1DP | 24VDC | 2NU | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-M23082 | MSR138.1DP | 115VAC | 2NU | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-B23020 | MSR5T | 24VAC/DC | 3NU | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-W23222 | MSR330P | 24VDC | 3NU | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-P23071 | MSR22LM | 24VDC | 2NU | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-G23029 | MSR10RD | 24VAC/DC | 8NU | — | Manual/Auto | Cat.4/PL e/SIL3 | Active |
2.2 Two-Hand Control Safety Relays
| Official Model | ID-ul seriei | Tensiune de control | Ieșire de siguranță | Aux Output | Modul de resetare | Nivel de siguranță | Stare |
| 440R-D23166 | MSR125H | 24VDC | 2NU (instant) | — | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-D23163 | MSR125HP | 24VAC/DC | 2NU | 1NC | Auto | Cat.4/PL e/SIL3 | Active |
| 440R-E23194 | MSR132ED | 24VDC | 4NU (2s delay) | 2NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-E23195 | MSR132ED | 24VDC | 4NU (3s delay) | 2NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-C23136 | MSR131RTP | 24VAC/DC | 3NU | 2NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-C23139 | MSR131RTP | 24VAC/DC | 3NU | 2NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
2.3 Time-Delay Safety Relays
| Official Model | ID-ul seriei | Tensiune de control | Ieșire de siguranță | Delay Range | Aux Output | Modul de resetare | Nivel de siguranță | Stare |
| 440R-M23048 | MSR15D | 24VAC/DC | 2NU | 0.15–3s | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-M23083 | MSR138.1D | 115VAC | 2NU | 0.15–3s | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-M23084 | MSR138.1D | 230VAC | 2NU | 0.15–3s | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Active |
2.4 Special Function Safety Relays
| Official Model | ID-ul seriei | Tensiune de control | Special Function | Nivel de siguranță | Stare |
| 440R-B23211 | MSR117T | 24VAC/DC | Single-channel monitoring | Cat.4/PL e/SIL3 | Active |
| 440R-C23017 | MSR6R/T | 24VAC/DC | General purpose | Cat.4/PL e/SIL3 | Active |
| 440R-S23015 | MSR100 | 24VAC/DC | Tip de bază | Cat.4/PL e/SIL3 | Active |
| 440R-S23016 | MSR100 | 24VAC/DC | Tip de bază | Cat.4/PL e/SIL3 | Active |
- Obsolete Model Replacement Guide
| Obsolete Model | Recommended Replacement | Motiv | Function Match |
| 440R-H23180 (MSR230P) | 440R-EM4R2 | Modular & extensibil | 90% |
| 440R-H23177 (MSR211P) | 440R-EM4R2 | Same output layout, compatibil cu montaj | 95% |
| 440R-H23178 (MSR220P) | 440R-EM4R1 | Manual reset, 2NU+1NC | 95% |
| MSR300 Series | MSR / GSR / CR30 Series | More complete functions & upgraded performance | 85% |
- Quick Selection Table by Control Voltage
4.1 24VDC Models
| ID-ul seriei | Official Model | Ieșire de siguranță | Aux Output | Modul de resetare |
| MSR230P | 440R-H23180 | 2NU | 1NC | Manual/Auto |
| MSR211P | 440R-H23177 | 2NU | 1NC | Manual/Auto |
| MSR220P | 440R-H23178 | 2NU | 1NC | Manual |
| MSR330P | 440R-W23222 | 3NU | 1NC | Manual/Auto |
| MSR22LM | 440R-P23071 | 2NU | 1NC | Manual/Auto |
| MSR125H | 440R-D23166 | 2NU (instant) | — | Manual/Auto |
| MSR138.1DP | 440R-M23088 | 2NU | 1NC | Manual/Auto |
4.2 230VAC Models
| ID-ul seriei | Official Model | Ieșire de siguranță | Aux Output | Modul de resetare |
| MSR126.1R | 440R-N23118 | 2NU | 1NC | Manual/Auto |
| MSR126.1T | 440R-N23112 | 2NU | 2NC | Manual/Auto |
| MSR126R | 440R-N23123 | 2NU | 1NC | Manual/Auto |
| MSR138.1D | 440R-M23084 | 2NU | 1NC | Manual/Auto |
4.3 24VAC/DC Universal Models
| ID-ul seriei | Official Model | Ieșire de siguranță | Aux Output | Modul de resetare |
| MSR5T | 440R-B23020 | 3NU | 1NC | Manual/Auto |
| MSR10RD | 440R-G23029 | 8NU | — | Manual/Auto |
| MSR15D | 440R-M23048 | 2NU | 1NC | Manual/Auto |
| MSR125HP | 440R-D23163 | 2NU | 1NC | Auto |
| MSR131RTP | 440R-C23136 | 3NU | 2NC | Manual/Auto |
- General Parameter Summary
| Model | Lăţime | Timp de răspuns | Curent nominal | Protecţie | Certificari |
| Most MSR Models | 45mm | ≤15ms | 3A@24VDC / 6A@240VAC | IP20 | CE, UL, CSA, TÜV |
| MSR10RD | 45mm | ≤15ms | 3A@24VDC / 6A@240VAC | IP20 | CE, UL, CSA, TÜV |
| MSR132ED | 45mm | ≤15ms | 3A@24VDC / 6A@240VAC | IP20 | CE, UL, CSA, TÜV |
Rockwell Allen‑Bradley 440R Series Safety Relay Full Application Overview
- Poziționarea produsului
The 440R series is the core safety relay lineup of AB Guardmaster, including traditional MSR basic type, EM expansion type, GSR intelligent communication type, time-delay and two-hand dedicated types. All meet PL e / Cat.4 / SIL 3 high safety levels.
DIN rail mount, compatible with emergency stop, usa de siguranta, light curtain, safety mat, two-hand button and all standard safety sensors.
- General Safety Application Scenarios
2.1 Emergency Stop Circuit Monitoring
Dual-channel contact detection for mushroom emergency stop buttons
Immediate power cut on E-stop; restart allowed only after reset
Standard safety circuit for all industrial machines
Typical model: 440R‑H23180(MSR230P), 440R‑M23088
2.2 Safety Guarding Door / Access Door Interlock
Machine guard doors, cabinet doors, perimeter fence doors stop machine when opened
Machine prohibited from starting if door not fully closed and locked
Compatible with hinge safety switches, bolt safety switches, electromagnetic door interlocks
2.3 Safety Light Curtain / Safety Scanner Interlock
Interface with photoelectric light curtains and laser safety scanners
Automatically cuts power when personnel enter hazardous area; reset permitted after evacuation
Ideal for robotic stations, stamping and pick-and-place stations
2.4 Two-Hand Synchronous Start Control
Safe two-hand start for presses, punch presses and riveting machines
Machine action only activates when both buttons pressed simultaneously to prevent hand injury
Dedicated models: 440R‑D23166, MSR125H
2.5 Time-Delay Safe Stop
Delayed power-off for fans, inertial loads and high-speed spindles
Safety signal triggers delayed output disconnection; unlock maintenance only after full mechanical stop
Time-delay models: 440R‑M23048, MSR15D adjustable delay
2.6 Safety Mat / Safety Edge Detection
Safety mats and safety edges installed around robots and hazardous zones
Immediate machine stop when stepped on or touched
2.7 Multi-Unit Group Safety Interlock
Multi-station production line interlock: any station safety trigger stops the whole line
Use 440R‑EM expansion modules for multi-channel safety cascading
2.8 VFD / Servo Drive Safe Torque Off
Connect to STO / emergency stop terminals of VFD and servo drives
Safety relay dry contact cuts drive enable to realize safe torque off
- Industry-Specific Applications
- General Machine Tools
Lathe, milling, machining center, grinder, drill press: E-stop, guard door interlock, spindle safe stop.
- Automation Production & Conveyor Lines
Assembly lines, chain conveyors, roller lines: line E-stop, sectional safety isolation, fence interlock.
- Robot Workstations & Manipulators
6-axis robot, gantry manipulator: fence safety door, light curtain protection, external safety interlock.
- Ambalare, Printing & Paper Machinery
Labeling, carton sealing, winding, printing machine: roller guard interlock, operator area light curtain protection.
- Injection Molding & Plastic Extrusion
Injection blower, extruder: mold safety door, two-hand start, light curtain anti-entry protection.
- Stamping, Forging & Hydraulic Press Equipment
Presa, hydraulic press, bending machine: two-hand anti-pinch start, mold area light curtain & safety mat protection.
- Logistics & Warehousing Equipment
AS/RS stacker, sorter, elevator: maintenance door interlock, crossing area personnel safety stop.
- Automotive OEM & Component Manufacturing
Welding, painting, assembly workshop: robot cell interlock, fixture safety door group interlock.
- Mâncare & Pharmaceutical Machinery
Filling, sealing, pharmaceutical lines: hygienic safety switch interface, maintenance mode safety lock.
- Ridicare & Hoisting Equipment
Crane, lifting platform: întrerupător de limită & E-stop monitoring, fence door interlock, overload safety interlock.
- HVAC & Industrial Fans/Pumps
Large fan, air compressor, chiller: cabinet door power interlock, inertial load delayed safe stop.
- Custom Non-Standard Automation
Assembly, testing, marking, riveting machines: global E-stop, local light curtain protection, multi-cylinder/servo interlock.
- 440R Subseries Application Matching
| 440R Subseries | Model tipic | Domeniul de aplicare |
| MSR Basic | 440R‑H23180(MSR230P) | General E-stop, single safety door, single light curtain |
| Two-Hand Control | 440R‑D23163 | Punch press & hydraulic press two-hand start |
| Time-Delay Type | 440R‑M23048 | Inertial load, ventilator & spindle delayed stop |
| EM Expansion | 440R‑EM4R2 | Multi-channel, multi-machine cascaded safety |
| GSR Intelligent | 440R‑GSR Series | Profinet/EtherNet/IP communication, upper diagnostic monitoring |
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