ICS TRIPLEX T8451 Trusted TMR 24Vdc Digital Output Module

The ICS TRIPLEX T8451 is a high-density, fault-tolerant digital output module designed for the Trusted® TMR (Triple Modular Redundant) safety platform. 

It provides 40 channels of 24Vdc digital output with full triple redundancy and 2oo3 hardware voting, certified to SIL3 per IEC 61508. Ideal for ESD, FGS, 

and critical process safety applications in oil & gas, petrochemical, power, and rail industries.

3. Technical Specifications

• Part Number: T8451
• Manufacturer: ICS TRIPLEX (Rockwell Automation)
• System: Trusted® TMR Safety System
• Module Type: Digital Output Module
• Number of Outputs: 40 channels
• Output Voltage: 18–32Vdc (field)
• System Supply: 20–32Vdc
• Output Current: 2A per channel; 8A per power group
• Redundancy: TMR (triplicated), 2oo3 hardware voting
• Safety Level: SIL3 (IEC 61508, TÜV certified)
• Operating Temperature: -40°C to +70°C
• Cooling: Natural convection
• Mounting: Standard Trusted TMR rack
• Certification: CE, UL, TÜV SIL3, RoHS
• Weight: Approx. 1.2 kg