Component Snapshot At-a-Glance

• Model: T8451; harsh environment coated variant T8451C
• Alt. P/N: T8461 (enhanced DO variant, non-interchangeable drop-in)
• Product Series: ICS Triplex Trusted 8000 TMR Safety Instrumented System
• Hardware Type: Hot-swappable triple redundant 24VDC digital output rack card
• Key Feature: 40 fully triplicated output channels split into 5 isolated power groups (8 outputs/group), hardware 2oo3 voting, latching electronic short-circuit protection, 1ms SOE event logging
• Primary Field Use: Drive SIL3 safety actuators, ESD trip solenoids, isolation valve coils, purge air valves, and fire suppression release circuits for refinery, power, and offshore SIS racks.