ICS Triplex T8293 | Power Distribution Module 23A

Product Overview

The ICS Triplex T8293 Power Distribution Module delivers fused 24Vdc or 48Vdc field power to Trusted TMR I/O assemblies. This 15-way distribution unit provides individual fuse protection per channel, isolating field wiring faults and preventing system-wide outages. It supports both 20-32Vdc and 34-60Vdc supply ranges with a total capacity of 23A.

Core Functionality

The T8293 accepts dual redundant supply feeds and distributes power across 15 fused output channels. Each channel is protected by a 3.15A T-type (time-delay) 20mm fuse, allowing brief inrush currents while safeguarding against sustained overloads. The module includes 30 replacement fuses for routine maintenance. Supply voltage is monitored internally, with fault indication available via the Trusted system diagnostics.

Technical Specifications

Installation Guide

Mount the T8293 on standard 35mm DIN rail inside the system cabinet. Connect dual redundant supply feeds to the input terminals, observing polarity. Route each output channel to the corresponding FTA using appropriately sized conductors (minimum 16 AWG for full 23A load). Install the supplied 3.15A T-type fuses in each fuse holder before energizing. Verify all channel outputs with a multimeter prior to connecting field devices.

Engineering Advantages

The T8293 supports both 24Vdc and 48Vdc field power with dual-range input capability, simplifying spare stocking across multiple installations. Individual 3.15A T-type fuses protect each channel against short circuits while tolerating capacitive inrush from downstream devices. ATEX and IECEx certifications enable deployment in hazardous areas. The included 30 spare fuses reduce maintenance downtime. Total 23A capacity supports up to 15 field termination assemblies in a single chassis.

Technical FAQs

Q1: Can the T8293 accept two different supply voltages simultaneously?
A1: Yes. The module supports dual feeds within the same range (both 20-32Vdc or both 34-60Vdc). Mixing different voltage ranges is not recommended.

Q2: What happens if one output channel exceeds 3.15A?
A2: The T-type time-delay fuse allows brief surges but will open on sustained overload, isolating the faulty channel while other outputs continue operating.

Q3: Are spare fuses included with the T8293?
A3: Yes. Each unit ships with 30 replacement 20mm 3.15A T-type fuses, sufficient for a full set of channel replacements.