ICS Triplex T8235 Trusted Power Shield

Technical Specifications

  1. Mechanical Specifications
    • Form Factor: Single‑slot cover for T8240 Power Shelf (matches T8231C Power Pack slot dimensions)
    • Mounting: Installs in any unused single‑slot bay of T8240 Power Shelf
    • Dimensions (H×W×D): 31 mm × 266 mm × 303 mm (1.22 in × 10.47 in × 11.93 in)
    • Weight: 0.5 kg (1.1 lb)
    • Material: High‑durability, non‑conductive industrial plastic (UL 94 V‑0 flame‑retardant rating)
    • Color: Industrial grey (matches T8240 shelf and T8231C module aesthetics)
    • Front Panel: Solid faceplate with integrated snap‑in locking mechanism
    • Connection: No electrical connections; passive mechanical fit only
  2. Environmental Specifications
    • Operating Temperature: -40°C to +70°C (matches T8240 shelf 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)
    • Protection Rating: IP20 front panel (prevents finger contact with live parts; protects against solid objects >12 mm)
    • EMI/EMC Compliance: Maintains shelf shielding integrity per EN 61000‑6‑2/4
Category:
Description
  1. Operational Specifications
    • Electrical Properties: Passive module—no power consumption, no signal connections
    • Installation: Tool‑free snap‑in (no tools required for installation/removal)
    • Compatibility: Exclusively designed for T8240 Power Shelf (not compatible with T8870 or other power shelves)
    • Safety Certification Alignment: Preserves shelf compliance with IEC 61508 SIL 3 (no impact on safety function integrity)

Functional Features

  1. Slot Sealing & Protection: Seals unused single‑slot bays in T8240 Power Shelf, preventing dust, moisture, and debris from entering and protecting live power terminals and internal components.
  2. Live Component Isolation: Eliminates accidental contact with exposed power connections in empty slots, reducing electrical hazard risks during maintenance or system access.
  3. Airflow Maintenance: Maintains proper internal airflow paths for heat dissipation, preventing overheating of adjacent T8231C Power Packs in redundant configurations.
  4. Mechanical Integrity: Reinforces T8240 shelf structure by filling empty slots, reducing physical stress on shelf rails and power terminal connectors.
  5. Tool‑Free Installation: Snap‑in design allows quick, secure installation/removal without tools, supporting fast system configuration changes.
  6. Electromagnetic Shielding: Preserves T8240 shelf EMI/EMC shielding performance, minimizing external interference with safety‑critical power signals.
  7. Flame‑Retardant Construction: UL 94 V‑0 rated plastic reduces fire risk in industrial environments with high temperature or electrical load conditions.
  8. Passive Design: No power draw or backplane connections, eliminating electrical load on the shelf and avoiding signal interference.
  9. Shelf Aesthetics: Matches T8240 shelf and T8231C module color/finish for a uniform, professional appearance in control cabinets.

Application Scenarios

  1. Safety Instrumented Systems (SIS): Deployed in oil & gas, chemical, and petrochemical plants to seal unused slots in T8240 Power Shelves, maintaining SIL 3 compliance while protecting against environmental contamination and electrical hazards.
  2. Refineries & Petrochemical Facilities: Used in T8240 shelves powering T8100 SIS controllers, ensuring airflow for redundant T8231C power packs during AC power fluctuations.
  3. Nuclear Power Auxiliary Systems: Installed in T8240 shelves for nuclear plant safety systems, preserving shelf integrity and shielding in radiation‑controlled environments with strict safety protocols.
  4. Marine & Offshore Platforms: Seals empty slots in T8240 shelves on offshore rigs, withstanding extreme temperatures, vibration, and salt spray while maintaining system airflow and safety compliance.
  5. Pharmaceutical Manufacturing: Fills unused bays in T8240 shelves for batch control SIS, preventing particulate contamination in cleanroom environments where equipment hygiene is critical.
  6. Mining & Heavy Industry: Used in remote T8240 power systems in underground mines, protecting shelves from dust, moisture, and physical damage while supporting reliable operation of safety‑critical power supplies.

Additional Information

  • Origin: United States
  • Warranty: 12‑month warranty for new original units; extended warranties available via Rockwell Automation service contracts
  • Compatibility: Exclusively compatible with T8240 Power Shelf (single‑slot bays only; not for T8870 or non‑Trusted power systems)
  • Installation: Tool‑free snap‑in installation in unused single‑slot T8240 shelf bays
  • Maintenance: No maintenance required; inspect periodically for physical damage or contamination
  • Disposal: Classified as non‑hazardous waste; dispose of per local industrial waste regulations
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