ICS Triplex T8270 Trusted 24 VDC Fan Assembly

Technical Specifications

  1. Mechanical Specifications
    • Form Factor: 19‑inch EIA‑310 rack‑mount; 1U (43 mm) height
    • Fan Type: Four Papst 8414NG high‑performance DC fans (redundant configuration)
    • Dimensions (H×W×D): 43 mm × 483 mm × 267 mm (1.71 in × 19 in × 10.5 in)
    • Weight: 1.8 kg (3.97 lbs)
    • Front Panel: Power OK LED, four individual fan status LEDs (green = OK, red = fault), airflow direction indicator
    • Mounting: Flange‑mount brackets for standard 19‑inch racks; tool‑free fan removal
    • Material: Steel chassis with industrial grey powder‑coated finish; UL 94 V‑0 rated plastic fan guards
    • Fan Replacement: Hot‑swap capability for individual fans without system shutdown
  2. Electrical Specifications
    • Operating Voltage: 24 VDC (18–28 VDC wide input range)
    • Power Consumption: 8 W (max); 5 W (typical)
    • Fan Speed: 2800 RPM (fixed speed for consistent airflow)
    • Airflow: 69 m³/h (40.6 CFM) per fan; 276 m³/h (162.4 CFM) total
    • Protection: 250 mA anti‑surge fusing per fan channel; reverse polarity protection
    • Control Interface: Dry contact alarm output for fan fault (NC/NO configurable)
    • Current Draw: 0.33 A (max) at 24 VDC
Category:
Description
  1. Environmental Specifications
    • Operating Temperature: -40°C to +70°C (matches Trusted system operating range)
    • Storage Temperature: -40°C to +85°C
    • Relative Humidity: 5%–95% (non‑condensing)
    • Shock Resistance: 30 g, 11 ms duration (per IEC 60068‑2‑27)
    • Vibration Resistance: 5 g, 10–150 Hz (per IEC 60068‑2‑6)
    • Noise Level: 32 dB(A) per fan (total system noise: 38 dB(A) at 1m)
    • EMI/EMC Compliance: EN 61000‑6‑2 (immunity), EN 61000‑6‑4 (emissions); CE, UL certified
    • Protection Rating: IP20 front panel (prevents finger contact with fans; protects against solid objects >12 mm)
  2. Safety & Compliance
    • Safety Certification: UL 61010‑1, CSA C22.2 No. 61010‑1; CE marked
    • Redundancy: Four‑fan redundant design eliminates single points of cooling failure
    • Mean Time Between Failures (MTBF): 500,000 hours (per Telcordia SR‑332, 25°C, full assembly)
    • Fusing: 250 mA anti‑surge fuses protect fans and connected systems from electrical overloads

Functional Features

  1. Four‑Fan Redundancy: Four Papst 8414NG fans provide redundant airflow, ensuring cooling continuity during single fan failure.
  2. Hot‑Swap Fan Replacement: Tool‑free removal of individual fans allows maintenance without system shutdown, enabling zero‑downtime operations.
  3. Wide Voltage Range: 18–28 VDC operating range accommodates industrial power fluctuations, ensuring reliable performance.
  4. Front‑Panel Diagnostics: Power OK LED and four individual fan status LEDs enable rapid identification of faulty fans for quick replacement.
  5. Anti‑Surge Protection: 250 mA fusing per fan channel prevents damage from electrical surges or short circuits.
  6. Dry Contact Fan Fault Alarm: Configurable NC/NO alarm output integrates with SCADA/DCS for real‑time cooling system monitoring.
  7. 1U Rack‑Mount Design: Compact form factor fits standard industrial enclosures, simplifying integration with T8100/T8240 systems.
  8. High Airflow Delivery: 69 m³/h per fan (276 m³/h total) maintains optimal temperatures for high‑density Trusted chassis.
  9. Corrosion‑Resistant Chassis: Steel construction with powder‑coated finish withstands harsh industrial environments (dust, moisture, vibration).
  10. Trusted System Compatibility: Seamlessly integrates with T8100 controller/expander chassis and T8240 Power Shelves, ensuring unified thermal management.

Application Scenarios

  1. Safety Instrumented Systems (SIS): Installed in oil & gas and chemical plants to cool T8100 SIS controllers and T8240 Power Shelves, maintaining thermal stability for ESD, F&G, and BMS applications with SIL 3 compliance.
  2. Refineries & Petrochemical Facilities: Cools T8100 expander chassis in DCS‑integrated SIS, ensuring consistent airflow during high‑temperature industrial processes and enabling hot‑swap fan maintenance without process interruption.
  3. Nuclear Power Auxiliary Systems: Used in nuclear plant safety systems to cool Trusted T8000 Series equipment, supporting regulatory compliance with redundant cooling and real‑time fault monitoring.
  4. Marine & Offshore Platforms: Mounted on offshore rigs to cool T8240 Power Shelves and T8100 vessel control systems, withstanding extreme temperatures, vibration, and salt spray while preserving system uptime.
  5. Pharmaceutical Manufacturing: Cools T8100 batch control SIS in clean rooms, maintaining precise thermal conditions for critical process monitoring and compliance logging, with low noise operation (32 dB(A) per fan) to meet clean room standards.
  6. Mining & Heavy Industry: Cools remote T8100 systems in underground mines, providing dust‑resistant forced air cooling to prevent overheating in confined, high‑temperature environments.

Additional Information

  • Origin: United States
  • Warranty: 12‑month warranty for new original units; extended warranties available via Rockwell Automation service contracts
  • Compatibility: Exclusively designed for Trusted T8100 Chassis, T8240 Power Shelves, and T8000 Series equipment
  • Installation: 19‑inch rack mounting; aligns with T8100/T8240 chassis for unified system layout
  • Maintenance: Hot‑swap fan replacement; inspect fan guards periodically for dust buildup; clean with compressed air (max 50 PSI)
  • Accessories: Replacement Papst 8414NG fans (part number: 8414NG), fan guard cleaning kits, and alarm wiring harnesses available
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