ICS Triplex T8293 Trusted TMR Power Distribution Module

June 12, 2026 • 2 min read • wayne • Guide

Product Summary

The T8293 Power Distribution Module delivers robust fused power to critical Trusted TMR system components. This unit manages up to 23 Amps of current across fifteen independent ways. It accepts a flexible input range from 20 to 32 Vdc or 34 to 60 Vdc. Engineers rely on this module for safe and organized power distribution in demanding industrial environments. Its design ensures reliable operation within certified hazardous locations.

Expert Technical Evaluation & Performance Review

Core Electrical Architecture

This module operates as a central power hub for a Triple Modular Redundant system. It distributes incoming DC power through thirty individual 20mm fuses. Each fuse is rated at 3.15 Amps with a time-lag characteristic. This configuration protects downstream cards from overcurrent events. The T8293 ensures that a single fault does not cascade across the system.

Voltage and Current Handling Capabilities

The unit accepts a primary supply voltage between 20 and 32 Vdc. It also supports an alternative range from 34 to 60 Vdc. This dual-range capability allows for global installation flexibility. The total output current capacity reaches a maximum of 23 Amps. Engineers must balance the load across all fifteen ways to stay within this limit.

Fuse Selection and Protection Logic

Each output channel uses a standard 20mm glass or ceramic fuse. The specified 3.15 Amp time-lag fuse handles short inrush currents without nuisance tripping. This characteristic is vital for powering capacitive loads during startup. The module includes thirty fuses in its standard shipment. This quantity covers all channels plus spares for maintenance.

Environmental and Certification Compliance

The T8293 holds certifications for Ordinary, Hazardous Location, ATEX, and IECEx zones. This broad certification set simplifies global procurement and installation. The module is designed to operate reliably in harsh industrial atmospheres. Its construction prevents ignition in explosive gas or dust environments. Engineers can deploy this unit with confidence in Zone 2 applications.

Installation and Wiring Considerations

Mount the T8293 securely onto a standard DIN rail within the Trusted chassis. Ensure input power is disconnected before connecting any wires. Use appropriately rated copper conductors for both input and output circuits. Verify that the total system load does not exceed the 23 Amp limit. Proper thermal management around the module is essential for longevity.