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Yokogawa SNB10D-225 Safety Node Unit - SIS Module

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Yokogawa SNB10D-225/CU2N Safety Node Unit

Dual-redundant safety node for critical process shutdown systems. This SNB10D unit provides high availability and expansion for safety instrumented functions. Ready for rack mounting in your control panel.

Built for Safety & Reliability

  • Dual Power Supply - Redundant for continuous operation
  • System Expansion License - Software included for adding nodes
  • Wide Temperature Range - Operates from -20°C to 70°C
  • Scalable Network - Connect multiple units to a safety controller
  • Rack Ready - Designed for standard 19-inch panel mounting

Technical Specifications

  • Brand: Yokogawa
  • Model: SNB10D-225/CU2N
  • Product Type: Safety Node Unit (Rack Mountable)
  • Power Supply: 220-240V AC, 50/60 Hz (Dual-redundant)
  • Power Consumption: 230 VA
  • Alternative Power: Also supports 100-120V AC or 24V DC
  • Compliance: ISA Standard G3
  • Operating Temp: -20°C to +70°C
  • Max Units with SEC402: Up to 13 nodes
  • Max Units with SEC401: Up to 9 nodes
  • Dimensions (LxWxH): 20.5 cm x 48.2 cm x 22.1 cm
  • Weight: Approx. 5.9 kg
  • Mounting: Rack mount with M5 screws (insulation bushes included)
  • Included Option: Connector Unit for ESB Bus (Part: S9342FA)

Frequently Asked Questions

What is the main purpose of this Safety Node Unit?

It acts as a remote I/O interface for Yokogawa safety controllers, extending the safety system's reach.

What does "dual-redundant power supply" mean?

It has two separate power inputs. If one fails, the other keeps the unit running without interruption.

How many of these SNB10D units can I connect to one controller?

You can connect up to 13 units when using an SEC402 bus coupler module.

What comes included with the unit?

It includes the ESB Bus Connector Unit (S9342FA) and insulation bushes for rack mounting.

Can it operate in very cold or hot environments?

Yes, it is rated for a wide operating temperature range from -20 degrees Celsius to +70 degrees Celsius.

Shipping & Warranty

  • Priority worldwide shipping via FedEx, UPS, DHL
  • 12-month standard warranty for your assurance
  • Complete and ready for installation
  • Quick Quotes: Receive pricing and availability fast from our dedicated customer service team.
  • Delivery: Expedited, freight, and international shipping available worldwide.
  • Warranty: NexAuto offers a 12-month warranty on all parts purchased from us, in addition to any manufacturer coverage.
  • Returns: 30-day return policy for defective or mismatched parts, ensuring peace of mind.
  • Payment: Flexible options including major credit cards, PayPal, and bank transfers.
  • Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.
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