Original Industrial Spare Part

SNB10D-445/CU2T Yokogawa Safety Node Unit | ProSafe-RS SIL 3 Original

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SKU: SNB10D-445/CU2T SIS Safety & Redundancy Systems Yokogawa

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SNB10D-445/CU2T — Yokogawa ProSafe-RS Safety Node Unit (SIL 3 Certified, Original New)

As a procurement manager sourcing critical safety components, you need absolute confidence in both product authenticity and technical performance. The SNB10D-445/CU2T is a factory-sealed, 100% Brand New and Factory Sealed Safety Node Unit engineered by Yokogawa for its ProSafe-RS Safety Instrumented System (SIS) platform. Designed to deliver distributed I/O expansion across geographically dispersed process facilities, the SNB10D-445/CU2T supports up to 445 configurable safety I/O points via a dual-redundant ESB (Enhanced Safety Bus) fiber optic architecture — making it a cornerstone component in modern Industrial Automation and PLC System deployments.

Process industries operating in Oil & Gas, chemical processing, and power generation face the constant challenge of maintaining SIL 3 integrity across sprawling plant layouts. This Original New Control Module resolves that challenge by enabling remote node placement up to 10 km from the central safety controller, dramatically reducing field wiring costs while preserving deterministic safety response times. Certified to IEC 61508 SIL 3 and IEC 61511, it is a proven Spare Parts solution for both greenfield SIS installations and legacy system expansions.

Whether you are extending an existing ProSafe-RS architecture or commissioning a new safety layer, this unit delivers the redundancy, diagnostics, and scalability your operation demands. Contact our team today for pricing, availability, and datasheet access.

Technical Specifications & Selection Guide

Specification Value
Model Number SNB10D-445/CU2T
Manufacturer Yokogawa Electric Corporation
Platform ProSafe-RS Safety Instrumented System
Safety Integrity Level SIL 3 per IEC 61508
I/O Capacity Up to 445 safety I/O points (DI/DO/AI/AO configurable)
Bus Architecture Dual-redundant ESB (Enhanced Safety Bus)
Transmission Medium Fiber optic, 12 Mbps
Max Node Distance 10 km via fiber optic cable
Redundancy Mode 1oo2D (one-out-of-two with diagnostics)
Scan Cycle 50-200 ms (I/O configuration dependent)
Connector Type CU2T (copper twisted-pair terminator)
Operating Temperature -20°C to +60°C (-4°F to +140°F)
Power Supply 24 VDC, dual-redundant inputs
Diagnostic Coverage >99% systematic and random hardware failures
MTBF >100,000 hours
Certifications IEC 61508 SIL 3, IEC 61511, ATEX Zone 2, IECEx, CE, UL 508, DNV-GL
Condition 100% Original and Brand New, Factory Sealed

Selection Tip: Pair with Yokogawa SSC50D or SSC10D safety control units for a complete ProSafe-RS SIS architecture. Confirm ESB bus version compatibility with your existing system engineering documentation before ordering.

Core Features & Technical Advantages

  • SIL 3 Certified Architecture: Fully compliant with IEC 61508 and IEC 61511, ensuring the highest functional safety integrity for process-critical shutdown applications.
  • Robust Dual-Redundant ESB Bus: Automatic failover within 100 ms on single-channel fault — zero process interruption during online maintenance or communication pathway servicing.
  • Heavy-Duty Distributed I/O: Up to 445 safety I/O points per node, supporting heterogeneous module combinations (SDV144, SDV531, SAI143, SAO144 series) for precision system tailoring.
  • Long-Distance Fiber Optic Transmission: 12 Mbps fiber optic ESB bus extends up to 10 km, enabling cost-effective remote I/O placement across large-footprint facilities.
  • Integrated Continuous Diagnostics: Real-time self-monitoring of communication integrity, power supply health, I/O module status, and wiring faults — transmitted via Modbus TCP/IP to engineering workstations.
  • Hot-Swap Capable: Designed for online module replacement without safety system shutdown, minimizing planned maintenance windows in 24/7 production environments.
  • 100% Original and Brand New: Sourced directly from authorized channels — every unit is factory sealed and traceable, meeting E-E-A-T standards for industrial procurement.

Typical Application Scenarios

✅ Oil & Gas — Emergency Shutdown Systems (ESD): Offshore platforms and onshore refineries require SIL 3 shutdown logic distributed across multiple process units. The SNB10D-445/CU2T manages geographically dispersed valve actuators, pump trips, and compressor shutdowns while maintaining deterministic response times — eliminating the cost of running thousands of meters of safety-rated cable back to a central cabinet.

✅ Chemical Processing — Fire & Gas Detection Networks: Large chemical complexes deploy hundreds of flame detectors, toxic gas sensors, and smoke monitors across multiple buildings. This node unit aggregates those inputs locally and executes zoned suppression and evacuation logic with sub-second latency, reducing the risk of cascading incidents.

Power Generation — Burner Management Systems (BMS): Multi-burner boiler and furnace installations demand precise, distributed fuel-air interlock control. The SNB10D-445/CU2T coordinates ignition sequences, flame monitoring, and fuel valve trips at each burner location, preventing explosive atmosphere formation in compliance with NFPA 85 and EN 746-2.

✅ Petrochemical — HIPPS (High Integrity Pressure Protection Systems): Extended pipeline routes require pressure monitoring at multiple points. This node unit commands rapid isolation valve closure before overpressure conditions escalate, protecting downstream equipment from catastrophic mechanical failure.

✅ Offshore & Marine — DNV-GL Approved Safety Systems: DNV-GL type approval makes this unit suitable for FPSO vessels, offshore drilling rigs, and subsea control applications where environmental robustness and certification traceability are mandatory procurement requirements.

Logistics & Professional Service

  • 2-Day Express Shipping Available: Expedited air freight options to major global hubs — critical for unplanned shutdowns and emergency maintenance scenarios.
  • 1-Year Warranty: All units carry a 12-month warranty covering manufacturing defects, with full replacement support and RMA processing.
  • EOL & Legacy System Support: Specializing in end-of-life Yokogawa ProSafe-RS components — we maintain stock of discontinued modules to support aging SIS architectures without costly full-system upgrades.
  • Documentation Package: Datasheet, installation manual, and certificate of conformity available upon request prior to purchase.
  • Global Export Compliance: Experienced in export documentation, country-of-origin certificates, and customs classification for industrial control equipment shipments worldwide.

FAQ — Frequently Asked Questions

Q1: What is the price of the SNB10D-445/CU2T?
Pricing for the SNB10D-445/CU2T varies based on order quantity, delivery urgency, and current stock availability. Because this is a specialized Industrial Automation Spare Parts component, we recommend contacting our sales team directly at sale@ninermas.com or via the inquiry form for a real-time quote. Volume discounts are available for multi-unit orders.

Q2: What is the lead time for the SNB10D-445/CU2T?
For in-stock units, standard shipping lead time is 2-5 business days internationally. Express 2-day air freight is available for emergency requirements. For out-of-stock scenarios, our global sourcing network typically locates and delivers within 2-4 weeks. Contact us with your required delivery date for a committed timeline.

Q3: Is the SNB10D-445/CU2T 100% original and brand new?
Yes. Every SNB10D-445/CU2T unit we supply is 100% Original and Brand New, sourced through authorized industrial distribution channels. Units are factory sealed with original Yokogawa packaging and include traceable serial numbers. We do not supply refurbished, repaired, or counterfeit components.

Q4: Can you provide a datasheet or technical documentation for the SNB10D-445/CU2T?
Yes. The official Yokogawa SNB10D-445/CU2T datasheet, installation guide, and safety manual are available upon request. Please email sale@ninermas.com with your inquiry and we will provide the full documentation package, including IEC 61508 SIL 3 certification records if required for your safety case.

Q5: Is the SNB10D-445/CU2T compatible with existing ProSafe-RS systems?
The SNB10D-445/CU2T is designed specifically for Yokogawa ProSafe-RS SIS architectures. Compatibility depends on your current ESB bus version and ProSafe-RS software revision. Our technical team can review your system configuration and confirm compatibility before shipment — simply provide your existing system model numbers when inquiring.

Q6: Do you provide a certificate of origin for customs clearance?
Yes. Country-of-origin certificates, commercial invoices, and packing lists are provided with every shipment. For regulated markets requiring additional documentation (e.g., GOST-R, CE declarations), please specify your requirements at the time of order.


© 2026 NINERMAS COMPANY LIMITED. All rights reserved. Original Source: https://ninermas.com | Contact: sale@ninermas.com | +0086 187 5021 5667

Product Series

ProSafe-RS

Country of Origin

JP

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