For industrial equipment involving personal safety protection, arresto dell'interblocco della macchina, porta di sicurezza / cortina di luce / arresto di emergenza / controllo a due mani, the Allen‑Bradley 440R series safety relays are the standard default components for Rockwell Automazione safety circuits. Coprono quasi tutte le applicazioni di sicurezza per i macchinari nelle industrie manifatturiere e di processo discrete.
- Definizione del segmento del modello
| Segmento modello | Descrizione |
| 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 | Codice funzione: Monitoring-type safety relay, suitable for single/dual-channel safety inputs such as emergency stop buttons and safety door switches |
| 23180 | Product serial number: Serie B; 2 normally open safety outputs, 1 normally closed auxiliary output, configurazione standard |
| Modello completo | 440R-H23180 (official full part number); MSR230P is the product series identifier |
- Specifiche principali
| Categoria dei parametri | Specifiche |
| Informazioni di base | Allen-Bradley Guardmaster Minotaur MSR230P Safety Relay, Serie B, Made in USA, Obsolete (Dec 31, 2017) |
| Tensione di controllo | 24VCC (19.2~31.2VDC) |
| Safety Input | 1 dual-channel safety input (supporta 2 normally closed contacts) |
| Safety Output | 2 Normalmente aperto (NO) safety contacts; |
| Valutato: 3A @24VDC (DC-13), 6A @240VAC (AC-15) | |
| Auxiliary Output | 1 Normalmente chiuso (NC) contatto ausiliario; |
| Valutato: 3A @24VDC / 240VCA | |
| Safety Level | NELL'ISO 13849-1 Cat.4, Performance Level PL e, SIL 3 |
| Tempo di risposta | ≤15ms |
| Reset Mode | Selectable Manual Reset (MM) / Ripristino automatico (SONO) |
| Montaggio | Montaggio su guida DIN, 45larghezza mm |
| Protezione dall'ingresso | IP20 (pannello frontale) |
| Temperatura operativa | -25℃ ~ +60 ℃ |
| Temperatura di conservazione | -40℃ ~ +85℃ |
| Certificazioni | CE, UL, CSA, TÜV |
- Standard Accessories List
- Safety Relay Main Unit (440R-H23180 / MSR230P)
- Installation Manual (Hard copy + Versione elettronica)
- Certificate of Conformity & Warranty Card
- DIN rail mounting clips
- Terminal identification labels
- Reset button protective cover (Opzionale)
- Cross-Brand Equivalent & Replacement Table
| Marca | Modello equivalente | Key Parameter Match | Principali differenze |
| Rockwell Recommended Replacement | 440R-EM4R2 | 24VCC, 2NO safety output, 1NC auxiliary output, Cat.4 | Progettazione modulare, expandable functions, prezzo più alto |
| Fungo | 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 | More compact (22.5larghezza mm), conveniente |
| Weidmüller | SCS 24VDC P1 | 24VCC, 2NO safety output, 1NC auxiliary output, Cat.4 | Flexible wiring, ideal for compact control cabinets |
- Linee guida per la selezione & Soluzioni sostitutive
Linee guida per la selezione
- Safety Function Matching
Suitable for single/dual-channel safety input monitoring: pulsanti di arresto di emergenza, interruttori delle porte di sicurezza, tappetini di sicurezza, ecc.
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.
- Installazione & Requisiti ambientali
Temperatura operativa: -25℃~+60℃ (declassare sopra i 40 ℃).
Umidità relativa: 5%~95% (senza condensa).
Install inside control cabinet; evitare la polvere, corrosive gas and heavy vibration.
Soluzioni sostitutive
- Same-Brand Upgrade Replacement
440R-EM4R2: Modulare, expandable functions, compatible with original mounting dimensions.
440R-M23088 (MSR138.1DP): Single-channel monitoring, 2NA+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, supporta fino a 22 input points.
- Cross-Brand Recommendation
Cost performance: Schneider XPSAC5121 (compatto & basso costo)
Premium safety performance: Pilz PNOZ X1 (risposta rapida, full certifications)
Siemens system integration: 3SK1111-1AB30 (seamless TIA Portal integration)
- Scenari applicativi
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
| Modello | Tensione di controllo | Safety Output | Auxiliary Output | Reset Mode | Safety Level |
| MSR230P (440R-H23180) | 24VCC | 2NO | 1NC | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR220P (440R-H23178) | 24VCC | 2NO | 1NC | Manuale | Cat.4/PL e/SIL 3 |
| MSR126.1R (440R-N23118) | 230VCA | 2NO | 1NC | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR125HP (440R-D23171) | 24VCA/CC | 2NO | 1NC | Auto | Cat.4/PL e/SIL 3 |
| MSR330P (440R-W23222) | 24VCC | 3NO | 1NC | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR5T (440R-B23020) | 24VCA/CC | 3NO | 1NC | Manual/Auto | Cat.4/PL e/SIL 3 |
| MSR22LM (440R-P23071) | 24VCC | 2NO | 1NC | Manual/Auto | Cat.4/PL e/SIL 3 |
- Cross-Brand Compatibility Chart (24VCC, 2NA+1NC)
| Marca | Modello | Safety Level | Tempo di risposta | Larghezza | Fascia di prezzo |
| Allen-Bradley | 440R-H23180 (MSR230P) | Cat.4/PL e/SIL 3 | 15SM | 45mm | $80~$120 |
| Fungo | PNOZ X1 24VDC | Cat.4/PL e/SIL 3 | 10SM | 22.5mm | $90~$130 |
| Siemens | 3SK1111-1AB30 | Cat.4/PL e/SIL 3 | 12SM | 22.5mm | $100~$140 |
| Schneider | XPSAC5121 | Cat.4/PL e/SIL 3 | 15SM | 22.5mm | $70~$100 |
| Weidmüller | SCS 24VDC P1 | Cat.4/PL e/SIL 3 | 15SM | 22.5mm | $80~$110 |
| Omron | G9SA-321-T075 | Cat.4/PL e/SIL 3 | 15SM | 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.
- Prestazioni affidabili
Dual-channel input monitoring with fail-safe design, ensuring safety outputs open under hazardous conditions.
- Struttura compatta
45mm DIN rail mounting saves control cabinet space.
- Certificazioni globali
CE, UL, CSA, TÜV approved, adatto a progetti internazionali.
Allen-Bradley Guardmaster Minotaur MSR Series Full Model List
- Model Naming Rule
| Segmento | Descrizione | Esempio |
| 440R- | Rockwell Allen radley 440R safety series prefix | 440R-H23180 |
| MSRXXX | Minotaur Safety Relay series ID | MSR230P |
| Tensione di controllo | 24VCC / 24VCA/CC / 115VCA / 230VCA | 230=24VDC, 126=230VAC |
| Codice funzione | Monitoraggio / Two-hand / Time-delay / Espansione | H=Monitoring, D=Two-hand, G=Multi-output |
| Configurazione dell'uscita | Sicurezza(NO) + Ausiliario(NC) | 23180=2NO+1NC |
| Reset Mode | P=Manual/Auto selectable, T=Manual, R=Auto | MSR230P = Manual/Auto reset |
| Tipo di terminale | Fisso / Removable | M=Removable; no mark=Fixed |
- Full Main Model List by Category
2.1 Monitoring Safety Relays (Arresto di emergenza / Safety Door)
| Official Model | Series ID | Tensione di controllo | Safety Output | Aux Output | Reset Mode | Safety Level | Stato |
| 440R-H23180 | MSR230P | 24VCC | 2NO | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Obsolete |
| 440R-H23177 | MSR211P | 24VCC | 2NO | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Obsolete |
| 440R-H23178 | MSR220P | 24VCC | 2NO | 1NC | Manuale | Cat.4/PL e/SIL3 | Obsolete |
| 440R-N23118 | MSR126.1R | 230VCA | 2NO | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-N23112 | MSR126.1T | 230VCA | 2NO | 2NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-N23123 | MSR126R | 230VCA | 2NO | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-M23088 | MSR138.1DP | 24VCC | 2NO | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-M23082 | MSR138.1DP | 115VCA | 2NO | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-B23020 | MSR5T | 24VCA/CC | 3NO | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-W23222 | MSR330P | 24VCC | 3NO | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-P23071 | MSR22LM | 24VCC | 2NO | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-G23029 | MSR10RD | 24VCA/CC | 8NO | — | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
2.2 Two-Hand Control Safety Relays
| Official Model | Series ID | Tensione di controllo | Safety Output | Aux Output | Reset Mode | Safety Level | Stato |
| 440R-D23166 | MSR125H | 24VCC | 2NO (Instant) | — | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-D23163 | MSR125HP | 24VCA/CC | 2NO | 1NC | Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-E23194 | MSR132ED | 24VCC | 4NO (2s delay) | 2NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-E23195 | MSR132ED | 24VCC | 4NO (3s delay) | 2NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-C23136 | MSR131RTP | 24VCA/CC | 3NO | 2NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-C23139 | MSR131RTP | 24VCA/CC | 3NO | 2NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
2.3 Time-Delay Safety Relays
| Official Model | Series ID | Tensione di controllo | Safety Output | Intervallo di ritardo | Aux Output | Reset Mode | Safety Level | Stato |
| 440R-M23048 | MSR15D | 24VCA/CC | 2NO | 0.15–3s | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-M23083 | MSR138.1D | 115VCA | 2NO | 0.15–3s | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
| 440R-M23084 | MSR138.1D | 230VCA | 2NO | 0.15–3s | 1NC | Manual/Auto | Cat.4/PL e/SIL3 | Attivo |
2.4 Special Function Safety Relays
| Official Model | Series ID | Tensione di controllo | Funzione speciale | Safety Level | Stato |
| 440R-B23211 | MSR117T | 24VCA/CC | Single-channel monitoring | Cat.4/PL e/SIL3 | Attivo |
| 440R-C23017 | MSR6R/T | 24VCA/CC | General purpose | Cat.4/PL e/SIL3 | Attivo |
| 440R-S23015 | MSR100 | 24VCA/CC | Tipo base | Cat.4/PL e/SIL3 | Attivo |
| 440R-S23016 | MSR100 | 24VCA/CC | Tipo base | Cat.4/PL e/SIL3 | Attivo |
- Obsolete Model Replacement Guide
| Obsolete Model | Sostituzione consigliata | Motivo | Corrispondenza di funzioni |
| 440R-H23180 (MSR230P) | 440R-EM4R2 | Modulare & espandibile | 90% |
| 440R-H23177 (MSR211P) | 440R-EM4R2 | Same output layout, compatibile con il montaggio | 95% |
| 440R-H23178 (MSR220P) | 440R-EM4R1 | Ripristino manuale, 2NA+1NC | 95% |
| MSR300 Series | MSR / GSR / CR30 Series | More complete functions & prestazioni migliorate | 85% |
- Quick Selection Table by Control Voltage
4.1 24VDC Models
| Series ID | Official Model | Safety Output | Aux Output | Reset Mode |
| MSR230P | 440R-H23180 | 2NO | 1NC | Manual/Auto |
| MSR211P | 440R-H23177 | 2NO | 1NC | Manual/Auto |
| MSR220P | 440R-H23178 | 2NO | 1NC | Manuale |
| MSR330P | 440R-W23222 | 3NO | 1NC | Manual/Auto |
| MSR22LM | 440R-P23071 | 2NO | 1NC | Manual/Auto |
| MSR125H | 440R-D23166 | 2NO (Instant) | — | Manual/Auto |
| MSR138.1DP | 440R-M23088 | 2NO | 1NC | Manual/Auto |
4.2 230VAC Models
| Series ID | Official Model | Safety Output | Aux Output | Reset Mode |
| MSR126.1R | 440R-N23118 | 2NO | 1NC | Manual/Auto |
| MSR126.1T | 440R-N23112 | 2NO | 2NC | Manual/Auto |
| MSR126R | 440R-N23123 | 2NO | 1NC | Manual/Auto |
| MSR138.1D | 440R-M23084 | 2NO | 1NC | Manual/Auto |
4.3 24VAC/DC Universal Models
| Series ID | Official Model | Safety Output | Aux Output | Reset Mode |
| MSR5T | 440R-B23020 | 3NO | 1NC | Manual/Auto |
| MSR10RD | 440R-G23029 | 8NO | — | Manual/Auto |
| MSR15D | 440R-M23048 | 2NO | 1NC | Manual/Auto |
| MSR125HP | 440R-D23163 | 2NO | 1NC | Auto |
| MSR131RTP | 440R-C23136 | 3NO | 2NC | Manual/Auto |
- General Parameter Summary
| Modello | Larghezza | Tempo di risposta | Corrente nominale | Protezione | Certificazioni |
| 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
- Posizionamento del prodotto
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.
Montaggio su guida DIN, compatible with emergency stop, porta di sicurezza, cortina di luce, 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, linee a rulli: 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.
- Confezione, Stampa & Paper Machinery
Labeling, carton sealing, winding, printing machine: roller guard interlock, operator area light curtain protection.
- Stampaggio ad iniezione & Plastic Extrusion
Injection blower, extruder: mold safety door, two-hand start, light curtain anti-entry protection.
- Stamping, Forging & Hydraulic Press Equipment
Premere, hydraulic press, bending machine: two-hand anti-pinch start, mold area light curtain & safety mat protection.
- Logistica & 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.
- Cibo & Pharmaceutical Machinery
Filling, sigillatura, pharmaceutical lines: hygienic safety switch interface, maintenance mode safety lock.
- Sollevamento & Attrezzatura di sollevamento
Crane, lifting platform: finecorsa & 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, marcatura, riveting machines: global E-stop, local light curtain protection, multi-cylinder/servo interlock.
- 440R Subseries Application Matching
| 440R Subseries | Modello tipico | Ambito di applicazione |
| 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, fan & 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 |
Contattore,interruttore automatico,inverter solare,contatore elettrico,batterie solari














NH42-63-318x560.png)




