Triconex 7400028-100 Power Supply PLC Card Rack

The TRICONEX 7400028-100 Power Supply PLC Card Rack is a 15-slot, low-density main chassis for Tri-conex Safety Instrumented Systems, providing mounting, power distribution, and backplane connections for processor, communication, power supply, and I/O modules within a fault-tolerant control platform. Built as an industrial aluminum chassis with a passive cooling design, it is intended for control cabinet rack installation and accepts 100–240 VAC, 50/60 Hz. Use cases include controller expansion, system replacement, and module upgrades, with applications in emergency shutdown systems, process safety, industrial automation, and other critical control environments. Alternate reference is 3000327-001, and common replacements include TRICONEX 3000327-001 15 Slot Rack Assembly, aligning with Tri-conex 15-slot PLC chassis.