For industrial equipment involving personal safety protection, machine interlock stop, porte de sécurité / light curtain / arrêt d'urgence / two-hand control, the Allen‑Bradley 440R series safety relays are the standard default components for Rockwell Automatisation safety circuits. They cover almost all safety applications for machinery in discrete manufacturing and process industries.
- Définition du segment du modèle
| Segment de modèle | Description |
| 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 | Code de fonction: Monitoring-type safety relay, suitable for single/dual-channel safety inputs such as emergency stop buttons and safety door switches |
| 23180 | Numéro de série du produit: Série B; 2 normally open safety outputs, 1 normally closed auxiliary output, configuration standard |
| Modèle complet | 440R-H23180 (official full part number); MSR230P is the product series identifier |
- Spécifications de base
| Catégorie de paramètre | Caractéristiques |
| Basic Info | Allen-Bradley Guardmaster Minotaur MSR230P Safety Relay, Série B, Made in USA, Obsolete (Dec 31, 2017) |
| Tension de contrôle | 24VCC (19.2~31.2VDC) |
| Safety Input | 1 dual-channel safety input (prend en charge 2 contacts normalement fermés) |
| Safety Output | 2 Normalement ouvert (NON) safety contacts; |
| Noté: 3A @24VDC (DC-13), 6A @240VAC (AC-15) | |
| Auxiliary Output | 1 Normalement fermé (Caroline du Nord) contact auxiliaire; |
| Noté: 3A @24VDC / 240ACC | |
| Safety Level | EN ISO 13849-1 Cat.4, Performance Level PL e, SIL 3 |
| Temps de réponse | ≤15ms |
| Mode de réinitialisation | Selectable Manual Reset (MM) / Réinitialisation automatique (AM) |
| Montage | Montage sur rail DIN, 45mm largeur |
| Protection contre la pénétration | IP20 (panneau avant) |
| Température de fonctionnement | -25℃ ~ +60℃ |
| Température de stockage | -40℃ ~ +85℃ |
| Certifications | CE, UL, ASC, TUV |
- 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 (Facultatif)
- Équivalent multimarque & Replacement Table
| Marque | Modèle équivalent | Key Parameter Match | Principales différences |
| Rockwell Recommended Replacement | 440R-EM4R2 | 24VCC, 2NO safety output, 1NC auxiliary output, Cat.4 | Conception modulaire, expandable functions, prix plus élevé |
| Pilz | PNOZ X1 24VDC | 24VCC, 2NO safety output, 1NC auxiliary output, Cat.4 | Faster response ≤10ms, similar price |
| Siemens | 3SK1111-1AB30 | 24VCC, 2NO safety output, 1NC auxiliary output, Cat.4 | Integrated diagnostics, TIA Portal compatible |
| Schneider | XPSAC5121 | 24VCC, 2NO safety output, 1NC auxiliary output, Cat.4 | Plus compact (22.5mm largeur), rentable |
| Weidmüller | SCS 24VDC P1 | 24VCC, 2NO safety output, 1NC auxiliary output, Cat.4 | Flexible wiring, ideal for compact control cabinets |
- Lignes directrices de sélection & Solutions de remplacement
Lignes directrices de sélection
- Safety Function Matching
Suitable for single/dual-channel safety input monitoring: boutons d'arrêt d'urgence, 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.
- Installation & Exigences environnementales
Température de fonctionnement: -25℃~+60℃ (derate above 40℃).
Humidité relative: 5%~95 % (sans condensation).
Install inside control cabinet; avoid dust, corrosive gas and heavy vibration.
Solutions de remplacement
- Same-Brand Upgrade Replacement
440R-EM4R2: Modulaire, expandable functions, compatible with original mounting dimensions.
440R-M23088 (MSR138.1DP): Single-channel monitoring, 2NON+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 / Communication EtherNet/IP.
Upgrade to Guardmaster MSR200 expandable system, supports up to 22 input points.
- Cross-Brand Recommendation
Cost performance: Schneider XPSAC5121 (compact & faible coût)
Premium safety performance: Pilz PNOZ X1 (réponse rapide, full certifications)
Siemens system integration: 3SK1111-1AB30 (seamless TIA Portal integration)
- Scénarios d'application
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
| Modèle | Tension de contrôle | Safety Output | Auxiliary Output | Mode de réinitialisation | Safety Level |
| MSR230P (440R-H23180) | 24VCC | 2NON | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR220P (440R-H23178) | 24VCC | 2NON | 1Caroline du Nord | Manuel | Cat.4/PL e/SIL 3 |
| MSR126.1R (440R-N23118) | 230ACC | 2NON | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR125HP (440R-D23171) | 24VAC/DC | 2NON | 1Caroline du Nord | Auto | Cat.4/PL e/SIL 3 |
| MSR330P (440R-W23222) | 24VCC | 3NON | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR5T (440R-B23020) | 24VAC/DC | 3NON | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR22LM (440R-P23071) | 24VCC | 2NON | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL 3 |
- Cross-Brand Compatibility Chart (24VCC, 2NON+1NC)
| Marque | Modèle | Safety Level | Temps de réponse | Largeur | Gamme de prix |
| Allen-Bradley | 440R-H23180 (MSR230P) | Cat.4/PL e/SIL 3 | 15MS | 45mm | $80~$120 |
| Pilz | PNOZ X1 24VDC | Cat.4/PL e/SIL 3 | 10MS | 22.5mm | $90~$130 |
| Siemens | 3SK1111-1AB30 | Cat.4/PL e/SIL 3 | 12MS | 22.5mm | $100~$140 |
| Schneider | XPSAC5121 | Cat.4/PL e/SIL 3 | 15MS | 22.5mm | $70~$100 |
| Weidmüller | SCS 24VDC P1 | Cat.4/PL e/SIL 3 | 15MS | 22.5mm | $80~$110 |
| Omron | G9SA-321-T075 | Cat.4/PL e/SIL 3 | 15MS | 22.5mm | $60~$90 |
- Key Features Summary
- High Safety Rating
Complies with 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.
- Performances fiables
Dual-channel input monitoring with fail-safe design, ensuring safety outputs open under hazardous conditions.
- Structure compacte
45mm DIN rail mounting saves control cabinet space.
- Certifications mondiales
CE, UL, ASC, TÜV approved, adapté aux projets internationaux.
Allen-Bradley Guardmaster Minotaur MSR Series Full Model List
- Règle de dénomination du modèle
| Segment | Description | Exemple |
| 440R.- | Rockwell Allen radley 440R safety series prefix | 440R-H23180 |
| MSRXXX | Minotaur Safety Relay series ID | MSR230P |
| Tension de contrôle | 24VCC / 24VAC/DC / 115ACC / 230ACC | 230=24VDC, 126=230VAC |
| Function Code | Monitoring / Two-hand / Time-delay / Expansion | H=Monitoring, D=Two-hand, G=Multi-output |
| Output Configuration | Sécurité(NON) + Auxiliaire(Caroline du Nord) | 23180=2NO+1NC |
| Mode de réinitialisation | P=Manual/Auto selectable, T=Manual, R=Auto | MSR230P = Manual/Auto reset |
| Type de borne | Fixé / Removable | M=Removable; no mark=Fixed |
- Full Main Model List by Category
2.1 Monitoring Safety Relays (Arrêt d'urgence / Safety Door)
| Official Model | ID de série | Tension de contrôle | Safety Output | Aux Output | Mode de réinitialisation | Safety Level | Statut |
| 440R-H23180 | MSR230P | 24VCC | 2NON | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Obsolete |
| 440R-H23177 | MSR211P | 24VCC | 2NON | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Obsolete |
| 440R-H23178 | MSR220P | 24VCC | 2NON | 1Caroline du Nord | Manuel | Cat.4/PL e/SIL3 | Obsolete |
| 440R-N23118 | MSR126.1R | 230ACC | 2NON | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-N23112 | MSR126.1T | 230ACC | 2NON | 2Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-N23123 | MSR126R | 230ACC | 2NON | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-M23088 | MSR138.1DP | 24VCC | 2NON | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-M23082 | MSR138.1DP | 115ACC | 2NON | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-B23020 | MSR5T | 24VAC/DC | 3NON | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-W23222 | MSR330P | 24VCC | 3NON | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-P23071 | MSR22LM | 24VCC | 2NON | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-G23029 | MSR10RD | 24VAC/DC | 8NON | — | Manual/Auto | Cat.4/PL e/SIL3 | Active |
2.2 Two-Hand Control Safety Relays
| Official Model | ID de série | Tension de contrôle | Safety Output | Aux Output | Mode de réinitialisation | Safety Level | Statut |
| 440R-D23166 | MSR125H | 24VCC | 2NON (Instantané) | — | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-D23163 | MSR125HP | 24VAC/DC | 2NON | 1Caroline du Nord | Auto | Cat.4/PL e/SIL3 | Active |
| 440R-E23194 | MSR132ED | 24VCC | 4NON (2s delay) | 2Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-E23195 | MSR132ED | 24VCC | 4NON (3s delay) | 2Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-C23136 | MSR131RTP | 24VAC/DC | 3NON | 2Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-C23139 | MSR131RTP | 24VAC/DC | 3NON | 2Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
2.3 Time-Delay Safety Relays
| Official Model | ID de série | Tension de contrôle | Safety Output | Plage de retard | Aux Output | Mode de réinitialisation | Safety Level | Statut |
| 440R-M23048 | MSR15D | 24VAC/DC | 2NON | 0.15–3s | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-M23083 | MSR138.1D | 115ACC | 2NON | 0.15–3s | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
| 440R-M23084 | MSR138.1D | 230ACC | 2NON | 0.15–3s | 1Caroline du Nord | Manual/Auto | Cat.4/PL e/SIL3 | Active |
2.4 Special Function Safety Relays
| Official Model | ID de série | Tension de contrôle | Special Function | Safety Level | Statut |
| 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 | Basic type | Cat.4/PL e/SIL3 | Active |
| 440R-S23016 | MSR100 | 24VAC/DC | Basic type | Cat.4/PL e/SIL3 | Active |
- Obsolete Model Replacement Guide
| Obsolete Model | Recommended Replacement | Raison | Function Match |
| 440R-H23180 (MSR230P) | 440R-EM4R2 | Modulaire & extensible | 90% |
| 440R-H23177 (MSR211P) | 440R-EM4R2 | Same output layout, mounting compatible | 95% |
| 440R-H23178 (MSR220P) | 440R-EM4R1 | Réinitialisation manuelle, 2NON+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 de série | Official Model | Safety Output | Aux Output | Mode de réinitialisation |
| MSR230P | 440R-H23180 | 2NON | 1Caroline du Nord | Manual/Auto |
| MSR211P | 440R-H23177 | 2NON | 1Caroline du Nord | Manual/Auto |
| MSR220P | 440R-H23178 | 2NON | 1Caroline du Nord | Manuel |
| MSR330P | 440R-W23222 | 3NON | 1Caroline du Nord | Manual/Auto |
| MSR22LM | 440R-P23071 | 2NON | 1Caroline du Nord | Manual/Auto |
| MSR125H | 440R-D23166 | 2NON (Instantané) | — | Manual/Auto |
| MSR138.1DP | 440R-M23088 | 2NON | 1Caroline du Nord | Manual/Auto |
4.2 230VAC Models
| ID de série | Official Model | Safety Output | Aux Output | Mode de réinitialisation |
| MSR126.1R | 440R-N23118 | 2NON | 1Caroline du Nord | Manual/Auto |
| MSR126.1T | 440R-N23112 | 2NON | 2Caroline du Nord | Manual/Auto |
| MSR126R | 440R-N23123 | 2NON | 1Caroline du Nord | Manual/Auto |
| MSR138.1D | 440R-M23084 | 2NON | 1Caroline du Nord | Manual/Auto |
4.3 24VAC/DC Universal Models
| ID de série | Official Model | Safety Output | Aux Output | Mode de réinitialisation |
| MSR5T | 440R-B23020 | 3NON | 1Caroline du Nord | Manual/Auto |
| MSR10RD | 440R-G23029 | 8NON | — | Manual/Auto |
| MSR15D | 440R-M23048 | 2NON | 1Caroline du Nord | Manual/Auto |
| MSR125HP | 440R-D23163 | 2NON | 1Caroline du Nord | Auto |
| MSR131RTP | 440R-C23136 | 3NON | 2Caroline du Nord | Manual/Auto |
- General Parameter Summary
| Modèle | Largeur | Temps de réponse | Courant nominal | Protection | Certifications |
| Most MSR Models | 45mm | ≤15ms | 3A@24VDC / 6A@240VAC | IP20 | CE, UL, ASC, TUV |
| MSR10RD | 45mm | ≤15ms | 3A@24VDC / 6A@240VAC | IP20 | CE, UL, ASC, TUV |
| MSR132ED | 45mm | ≤15ms | 3A@24VDC / 6A@240VAC | IP20 | CE, UL, ASC, TUV |
Rockwell Allen‑Bradley 440R Series Safety Relay Full Application Overview
- Positionnement du produit
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.
Montage sur rail DIN, compatible with emergency stop, porte de sécurité, 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
- Applications spécifiques à l'industrie
- 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.
- Conditionnement, Impression & 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
Press, hydraulic press, bending machine: two-hand anti-pinch start, mold area light curtain & safety mat protection.
- Logistique & Warehousing Equipment
AS/RS stacker, sorter, ascenseur: maintenance door interlock, crossing area personnel safety stop.
- Automotive OEM & Component Manufacturing
Welding, painting, assembly workshop: robot cell interlock, fixture safety door group interlock.
- Nourriture & Pharmaceutical Machinery
Remplissage, scellage, pharmaceutical lines: hygienic safety switch interface, maintenance mode safety lock.
- Levage & Hoisting Equipment
Crane, lifting platform: interrupteur de fin de course & E-stop monitoring, fence door interlock, overload safety interlock.
- CVC & 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 | Modèle typique | Champ d'application |
| 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, ventilateur & 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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