The Triconex 7400028-100 serves as a reliable power supply unit within the Tricon safety instrumented system platform. This module provides clean DC power to the main chassis and all installed I/O modules for continuous operation. Specifically, it supports redundant configurations to maintain system availability during power source interruptions.
Technical Architecture and Power Specifications
Engineers require stable power delivery for safety-critical applications, and the Triconex 7400028-100 delivers through regulated output and comprehensive protection features. This power supply accepts wide-range AC input while providing isolated DC output to the Tricon backplane. Additionally, it includes overvoltage and overcurrent protection for connected modules.
| Specification | Details |
|---|---|
| Manufacturer | Triconex (Schneider Electric) |
| Series | Tricon |
| Part Number | 7400028-100 |
| Product Type | Power Supply Module |
| Input Voltage | 115/230 VAC selectable |
| Input Frequency | 47 to 63 Hertz |
| Output Voltage | +5V DC and +24V DC to backplane |
| Output Power | 150 Watts maximum |
| Efficiency | Greater than 80% at full load |
| Protection | Overvoltage, overcurrent, overtemperature |
| Redundancy | Supports 1+1 or N+1 configurations |
| Cooling | Internal fan with speed control |
| Module Location | Dedicated power slots in Tricon chassis |
| External Dimensions | 25.4 x 12.7 x 5.1 cm (10.0 x 5.0 x 2.0 in) |
| Weight | 2.1 kg (4.63 lbs) |
Redundant Operation and System Integration
Installing the Triconex 7400028-100 into existing Tricon systems requires insertion into the dedicated power supply slots at the chassis left side. Multiple power supplies can operate in parallel, sharing the load and providing seamless failover capability. Consequently, a single supply failure will not interrupt system operation or compromise safety functions.
The module features front-panel LED indicators for input present, output OK, and fault conditions. Therefore, technicians can quickly assess power status without opening the cabinet or using test equipment. Additionally, the 7400028-100 supports hot-swap replacement, allowing power supply changeout while the system remains fully operational.
Operational Reliability and Environmental Durability
The Triconex 7400028-100 incorporates rugged construction suitable for continuous duty in industrial environments. Its internal cooling fan maintains optimal operating temperature even under full load conditions. Moreover, the operating temperature range of -20°C to +60°C suits installations without special air conditioning requirements.
For applications requiring maximum availability, redundant configurations with dual power supplies eliminate single points of failure. Hence, facilities achieve the highest levels of system uptime for critical safety functions. Ultimately, selecting the 7400028-100 ensures reliable power delivery for Tricon safety instrumented systems in refining, power generation, and chemical processing applications worldwide.
Details
| Weight | 2.85 kg |
|---|---|
| Dimensions | 41.2 × 17.8 × 6.2 mm |
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