For industrial equipment involving personal safety protection, parada de bloqueo de la máquina, puerta de seguridad / cortina de luz / parada de emergencia / control de dos manos, the Allen‑Bradley 440R series safety relays are the standard default components for Automatización Rockwell safety circuits. Cubren casi todas las aplicaciones de seguridad para maquinaria en industrias de procesos y fabricación discreta..
- Definición del segmento del modelo
| Segmento de modelo | Descripción |
| 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 | Function code: Monitoring-type safety relay, suitable for single/dual-channel safety inputs such as emergency stop buttons and safety door switches |
| 23180 | Número de serie del producto: Series B; 2 normally open safety outputs, 1 normally closed auxiliary output, configuración estándar |
| Modelo completo | 440R-H23180 (official full part number); MSR230P is the product series identifier |
- Especificaciones principales
| Categoría de parámetro | Presupuesto |
| Basic Info | Allen-Bradley Guardmaster Minotaur MSR230P Safety Relay, Series B, Made in USA, Obsolete (Dec 31, 2017) |
| Voltaje de control | 24VCC (19.2~31.2VDC) |
| Safety Input | 1 dual-channel safety input (apoya 2 contactos normalmente cerrados) |
| Salida de seguridad | 2 Normalmente abierto (NO) contactos de seguridad; |
| Clasificado: 3A @24VDC (DC-13), 6A @240VAC (AC-15) | |
| Salida auxiliar | 1 Normalmente cerrado (CAROLINA DEL NORTE) contacto auxiliar; |
| Clasificado: 3A @24VDC / 240VACACIONES | |
| Nivel de seguridad | EN ISO 13849-1 Cat.4, Performance Level PL e, SIL 3 |
| Tiempo de respuesta | ≤15ms |
| Modo de reinicio | Selectable Manual Reset (MM) / Reinicio automático (AM) |
| Montaje | Montaje en carril DIN, 45mm de ancho |
| Protección de ingreso | IP20 (panel frontal) |
| Temperatura de funcionamiento | -25℃ ~ +60℃ |
| Temperatura de almacenamiento | -40℃ ~ +85℃ |
| Certificaciones | CE, UL, CSA, TUV |
- Standard Accessories List
- Safety Relay Main Unit (440R-H23180 / MSR230P)
- Manual de instalación (Hard copy + Versión electrónica)
- Certificate of Conformity & Tarjeta de garantía
- DIN rail mounting clips
- Terminal identification labels
- Reset button protective cover (Opcional)
- Equivalente entre marcas & Replacement Table
| Marca | Modelo equivalente | Key Parameter Match | Principales diferencias |
| Rockwell Recommended Replacement | 440R-EM4R2 | 24VCC, 2NO safety output, 1NC auxiliary output, Cat.4 | Diseño modular, expandable functions, precio más alto |
| Champiñón | PNOZ X1 24VCC | 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 | More compact (22.5mm de ancho), rentable |
| Weidmüller | SCS 24VDC P1 | 24VCC, 2NO safety output, 1NC auxiliary output, Cat.4 | Flexible wiring, ideal for compact control cabinets |
- Directrices de selección & Soluciones de reemplazo
Directrices de selección
- Safety Function Matching
Suitable for single/dual-channel safety input monitoring: emergency stop buttons, safety door switches, safety mats, etc..
Meets high safety rating Cat.4 / pl y / 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.
- Instalación & Requisitos ambientales
Temperatura de funcionamiento: -25℃~+60℃ (reducción de potencia por encima de 40 ℃).
Humedad relativa: 5%~95% (sin condensación).
Install inside control cabinet; avoid dust, corrosive gas and heavy vibration.
Soluciones de reemplazo
- Same-Brand Upgrade Replacement
440R-EM4R2: Modular, expandable functions, compatible with original mounting dimensions.
440R-M23088 (MSR138.1DP): Single-channel monitoring, 2NO+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 / EtherNet/IP communication.
Upgrade to Guardmaster MSR200 expandable system, supports up to 22 input points.
- Cross-Brand Recommendation
Cost performance: Schneider XPSAC5121 (compacto & bajo costo)
Premium safety performance: Pilz PNOZ X1 (respuesta rápida, full certifications)
Integración del sistema Siemens: 3SK1111-1AB30 (Integración perfecta con TIA Portal)
- Escenarios de aplicación
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
| Modelo | Voltaje de control | Salida de seguridad | Salida auxiliar | Modo de reinicio | Nivel de seguridad |
| MSR230P (440R-H23180) | 24VCC | 2NO | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR220P (440R-H23178) | 24VCC | 2NO | 1CAROLINA DEL NORTE | Manual | Cat.4/PL e/SIL 3 |
| MSR126.1R (440R-N23118) | 230VACACIONES | 2NO | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR125HP (440R-D23171) | 24VCA/CC | 2NO | 1CAROLINA DEL NORTE | Auto | Cat.4/PL e/SIL 3 |
| MSR330P (440R-W23222) | 24VCC | 3NO | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR5T (440R-B23020) | 24VCA/CC | 3NO | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR22LM (440R-P23071) | 24VCC | 2NO | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL 3 |
- Cross-Brand Compatibility Chart (24VCC, 2NO+1NC)
| Marca | Modelo | Nivel de seguridad | Tiempo de respuesta | Ancho | Gama de precios |
| Allen-Bradley | 440R-H23180 (MSR230P) | Cat.4/PL e/SIL 3 | 15EM | 45milímetros | $80~$120 |
| Champiñón | PNOZ X1 24VCC | Cat.4/PL e/SIL 3 | 10EM | 22.5milímetros | $90~$130 |
| siemens | 3SK1111-1AB30 | Cat.4/PL e/SIL 3 | 12EM | 22.5milímetros | $100~$140 |
| Schneider | XPSAC5121 | Cat.4/PL e/SIL 3 | 15EM | 22.5milímetros | $70~$100 |
| Weidmüller | SCS 24VDC P1 | Cat.4/PL e/SIL 3 | 15EM | 22.5milímetros | $80~$110 |
| Omrón | G9SA-321-T075 | Cat.4/PL e/SIL 3 | 15EM | 22.5milímetros | $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.
- Rendimiento confiable
Dual-channel input monitoring with fail-safe design, ensuring safety outputs open under hazardous conditions.
- Estructura compacta
45mm DIN rail mounting saves control cabinet space.
- Certificaciones globales
CE, UL, CSA, TÜV approved, adecuado para proyectos internacionales.
Allen-Bradley Guardmaster Minotaur MSR Series Full Model List
- Regla de nomenclatura del modelo
| Segmento | Descripción | Ejemplo |
| 440R- | Rockwell Allen radley 440R safety series prefix | 440R-H23180 |
| MSRXXX | Minotaur Safety Relay series ID | MSR230P |
| Voltaje de control | 24VCC / 24VCA/CC / 115VACACIONES / 230VACACIONES | 230=24VDC, 126=230VAC |
| Function Code | Escucha / Two-hand / Time-delay / Expansión | H=Monitoring, D=Two-hand, G=Multi-output |
| Output Configuration | Seguridad(NO) + Auxiliar(CAROLINA DEL NORTE) | 23180=2NO+1NC |
| Modo de reinicio | P=Manual/Auto selectable, T=Manual, R=Auto | MSR230P = Manual/Auto reset |
| Tipo de terminal | Fijado / Removable | M=Removable; no mark=Fixed |
- Full Main Model List by Category
2.1 Monitoring Safety Relays (Parada de emergencia / Safety Door)
| Official Model | ID de serie | Voltaje de control | Salida de seguridad | Aux Output | Modo de reinicio | Nivel de seguridad | Estado |
| 440R-H23180 | MSR230P | 24VCC | 2NO | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Obsolete |
| 440R-H23177 | MSR211P | 24VCC | 2NO | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Obsolete |
| 440R-H23178 | MSR220P | 24VCC | 2NO | 1CAROLINA DEL NORTE | Manual | Cat.4/PL e/SIL3 | Obsolete |
| 440R-N23118 | MSR126.1R | 230VACACIONES | 2NO | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-N23112 | MSR126.1T | 230VACACIONES | 2NO | 2CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-N23123 | MSR126R | 230VACACIONES | 2NO | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-M23088 | MSR138.1DP | 24VCC | 2NO | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-M23082 | MSR138.1DP | 115VACACIONES | 2NO | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-B23020 | MSR5T | 24VCA/CC | 3NO | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-W23222 | MSR330P | 24VCC | 3NO | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-P23071 | MSR22LM | 24VCC | 2NO | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-G23029 | MSR10RD | 24VCA/CC | 8NO | — | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
2.2 Two-Hand Control Safety Relays
| Official Model | ID de serie | Voltaje de control | Salida de seguridad | Aux Output | Modo de reinicio | Nivel de seguridad | Estado |
| 440R-D23166 | MSR125H | 24VCC | 2NO (Instant) | — | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-D23163 | MSR125HP | 24VCA/CC | 2NO | 1CAROLINA DEL NORTE | Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-E23194 | MSR132ED | 24VCC | 4NO (2s delay) | 2CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-E23195 | MSR132ED | 24VCC | 4NO (3s delay) | 2CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-C23136 | MSR131RTP | 24VCA/CC | 3NO | 2CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-C23139 | MSR131RTP | 24VCA/CC | 3NO | 2CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
2.3 Time-Delay Safety Relays
| Official Model | ID de serie | Voltaje de control | Salida de seguridad | Rango de retardo | Aux Output | Modo de reinicio | Nivel de seguridad | Estado |
| 440R-M23048 | MSR15D | 24VCA/CC | 2NO | 0.15–3s | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-M23083 | MSR138.1D | 115VACACIONES | 2NO | 0.15–3s | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
| 440R-M23084 | MSR138.1D | 230VACACIONES | 2NO | 0.15–3s | 1CAROLINA DEL NORTE | Manual/Auto | Cat.4/PL e/SIL3 | Activo |
2.4 Special Function Safety Relays
| Official Model | ID de serie | Voltaje de control | Special Function | Nivel de seguridad | Estado |
| 440R-B23211 | MSR117T | 24VCA/CC | Single-channel monitoring | Cat.4/PL e/SIL3 | Activo |
| 440R-C23017 | MSR6R/T | 24VCA/CC | General purpose | Cat.4/PL e/SIL3 | Activo |
| 440R-S23015 | MSR100 | 24VCA/CC | tipo básico | Cat.4/PL e/SIL3 | Activo |
| 440R-S23016 | MSR100 | 24VCA/CC | tipo básico | Cat.4/PL e/SIL3 | Activo |
- Obsolete Model Replacement Guide
| Obsolete Model | Reemplazo recomendado | Razón | Function Match |
| 440R-H23180 (MSR230P) | 440R-EM4R2 | Modular & ampliable | 90% |
| 440R-H23177 (MSR211P) | 440R-EM4R2 | Same output layout, mounting compatible | 95% |
| 440R-H23178 (MSR220P) | 440R-EM4R1 | Reinicio manual, 2NO+1NC | 95% |
| MSR300 Series | MSR / GSR / CR30 Series | More complete functions & rendimiento mejorado | 85% |
- Quick Selection Table by Control Voltage
4.1 24VDC Models
| ID de serie | Official Model | Salida de seguridad | Aux Output | Modo de reinicio |
| MSR230P | 440R-H23180 | 2NO | 1CAROLINA DEL NORTE | Manual/Auto |
| MSR211P | 440R-H23177 | 2NO | 1CAROLINA DEL NORTE | Manual/Auto |
| MSR220P | 440R-H23178 | 2NO | 1CAROLINA DEL NORTE | Manual |
| MSR330P | 440R-W23222 | 3NO | 1CAROLINA DEL NORTE | Manual/Auto |
| MSR22LM | 440R-P23071 | 2NO | 1CAROLINA DEL NORTE | Manual/Auto |
| MSR125H | 440R-D23166 | 2NO (Instant) | — | Manual/Auto |
| MSR138.1DP | 440R-M23088 | 2NO | 1CAROLINA DEL NORTE | Manual/Auto |
4.2 230VAC Models
| ID de serie | Official Model | Salida de seguridad | Aux Output | Modo de reinicio |
| MSR126.1R | 440R-N23118 | 2NO | 1CAROLINA DEL NORTE | Manual/Auto |
| MSR126.1T | 440R-N23112 | 2NO | 2CAROLINA DEL NORTE | Manual/Auto |
| MSR126R | 440R-N23123 | 2NO | 1CAROLINA DEL NORTE | Manual/Auto |
| MSR138.1D | 440R-M23084 | 2NO | 1CAROLINA DEL NORTE | Manual/Auto |
4.3 24VAC/DC Universal Models
| ID de serie | Official Model | Salida de seguridad | Aux Output | Modo de reinicio |
| MSR5T | 440R-B23020 | 3NO | 1CAROLINA DEL NORTE | Manual/Auto |
| MSR10RD | 440R-G23029 | 8NO | — | Manual/Auto |
| MSR15D | 440R-M23048 | 2NO | 1CAROLINA DEL NORTE | Manual/Auto |
| MSR125HP | 440R-D23163 | 2NO | 1CAROLINA DEL NORTE | Auto |
| MSR131RTP | 440R-C23136 | 3NO | 2CAROLINA DEL NORTE | Manual/Auto |
- General Parameter Summary
| Modelo | Ancho | Tiempo de respuesta | Corriente nominal | Protección | Certificaciones |
| Most MSR Models | 45milímetros | ≤15ms | 3A@24VDC / 6A@240VAC | IP20 | CE, UL, CSA, TUV |
| MSR10RD | 45milímetros | ≤15ms | 3A@24VDC / 6A@240VAC | IP20 | CE, UL, CSA, TUV |
| MSR132ED | 45milímetros | ≤15ms | 3A@24VDC / 6A@240VAC | IP20 | CE, UL, CSA, TUV |
Rockwell Allen‑Bradley 440R Series Safety Relay Full Application Overview
- Posicionamiento del producto
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, puerta de seguridad, cortina de luz, 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 Cortina de luz de seguridad / 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: Molestar, 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.
- Embalaje, 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
Prensa, hydraulic press, bending machine: two-hand anti-pinch start, mold area light curtain & safety mat protection.
- Logística & 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.
- Alimento & Pharmaceutical Machinery
Relleno, sealing, pharmaceutical lines: hygienic safety switch interface, maintenance mode safety lock.
- Lifting & Hoisting Equipment
Crane, lifting platform: interruptor de límite & E-stop monitoring, fence door interlock, overload safety interlock.
- climatización & 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 | Modelo típico | Ámbito de aplicación |
| 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, admirador & 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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