T8461C ICS Triplex Trusted Communications Module

ICS TRIPLEX T8461C Trusted CCoat TMR Digital Output Module Technical Specifications
One-sentence Overview
ICS TRIPLEX T8461C is a Triple Modular Redundant (TMR) CCoat digital output module for safety-critical industrial applications, featuring 40 channels, 24/48 Vdc operation, 0.75A per channel continuous output, 6A per power group maximum current, robust fault-tolerant design, and compact dimensions (303 × 265 × 30 mm, 1.32 kg), ensuring reliable and secure control in critical systems.
1. Basic Product Information
Brand/Manufacturer: ICS TRIPLEX (a Schneider Electric company, formerly Invensys), a global leader in safety-critical industrial control systems
Model Number: T8461C (also referred to as Trusted CCoat TMR 40-Channel Digital Output Module)

Product Series: ICS TRIPLEX Trusted Safety Instrumented System (SIS) Series
Product Type: Industrial-grade Triple Modular Redundant (TMR) digital output module with CCoat technology for enhanced reliability
Core Application: Safety-critical control and monitoring in industrial processes requiring SIL 3/AK6 safety integrity level; designed for use in Trusted fault-tolerant control systems
Compliance & Certification: Complies with IEC 61508 SIL 3, IEC 61511 AK6, and IEEE standards for safety-critical systems; certified for use in hazardous areas and harsh industrial environments
Compatibility: Fully compatible with ICS TRIPLEX Trusted TMR control system; integrates with other Trusted modules for complete safety instrumented functions
Product Status: Industrial-grade component, available as new or refurbished with technical documentation and warranty
Warranty: 1-year standard warranty (extended warranty options available through authorized distributors)
2. Physical Specifications
Weight: Net weight approximately 1.32 kg (2.91 lbs); gross weight including packaging varies based on supplier
Dimensions (L × W × H): Standard dimensions 303 mm × 265 mm × 30 mm (11.93 × 10.43 × 1.18 inches); optimized for rack mounting in Trusted system enclosures
Mounting Method: Rack mounting in ICS TRIPLEX Trusted system chassis; designed for secure installation in industrial control cabinets
Housing Material: Robust industrial-grade metal chassis with CCoat corrosion protection; internal components protected by a sealed enclosure for enhanced durability and mechanical strength
Protection Grade: IP20 (designed for indoor control cabinet installation, providing dust protection and preventing accidental contact with internal live parts)
Structural Features: Clear labeling for 40 output channels and power groups; integrated status indicators for channel health and system communication; hot-swappable design for easy maintenance without system shutdown

3. Electrical & Technical Parameters
Operating Voltage: 24 Vdc or 48 Vdc (selectable)
Number of Output Channels: 40 channels (organized into 8 power groups of 5 channels each)
Continuous Output Current: 0.75 A per channel (sustained operation)
Maximum Current Per Power Group: 6 A (total for 5 channels in a group)
Minimum Load Current: 25 mA per channel (ensures reliable switching operation)
Output Off-State Resistance: 33 kΩ (effective leakage resistance)
Output Type: Transistor output with CCoat technology for enhanced reliability and fault tolerance
Power Group Isolation: Each power group isolated from others; 2500 Vdc isolation between channels and power groups
Maximum Capacitance Pre-Release: 30-55 µF (Version 3.5), 3500 µF at 0.75 A (Release 3.5)
Input Power Requirements: Derived from Trusted system backplane; typical power consumption varies based on channel usage