Name: ICS Triplex T8270 | Trusted TMR Power Supply Module - XINYEDA
Brand: ICS Triplex
SKU: ICS Triplex T8270

Description

T8270: Technical Specifications

Model Number: T8270

Manufacturer: ICS Triplex

Product Type: Triple Modular Redundant Power Supply Module

Input Voltage: 85-264 VAC, 120-370 VDC

Output Voltage: 24 VDC regulated

Output Current: 40A maximum total (13.3A per channel)

Efficiency: 89% typical at full load

Power Factor: 0.98 typical at 230 VAC

Hold-up Time: 20 ms minimum at full load

Overvoltage Protection: 28 VDC crowbar

Overcurrent Protection: Electronic current limiting

Operating Temperature: -40°C to +70°C

Storage Temperature: -40°C to +85°C

Relative Humidity: 5% to 95% non-condensing

Isolation: 3000 VAC input to output, 1500 VAC input to ground

Safety Certification: SIL 3 per IEC 61508, UL 508, CE marked

EMC Immunity: IEC 61000-4-2,3,4,5,6,8,11

Dimensions: 124 mm × 190 mm × 320 mm

Weight: 4.2 kg

MTBF: 500,000 hours per channel calculated

ICS Triplex T8270

Core Features & Customer Value

Triple Redundant Power Architecture: The module’s triple redundant design incorporates three independent power conversion channels that operate in parallel, with automatic load sharing and fault isolation. For system designers, this architecture eliminates single points of failure in the power distribution path, ensuring that a failure in one power channel does not affect the operation of the remaining channels. The load sharing capability distributes the thermal stress evenly across all three channels, improving overall reliability and extending the operational life of the power supply. This design approach is particularly valuable in safety instrumented systems where power availability directly impacts system safety and availability.

Comprehensive Power Monitoring: Each power channel includes voltage and current monitoring with dedicated status indicators and communication of health information to the system controller. For maintenance personnel, this monitoring capability provides early detection of developing power issues before they affect system operation. The module can detect and report conditions such as input power loss, output voltage drift, and overload conditions, allowing maintenance to be scheduled during planned outages rather than causing unplanned downtime. The front-panel indicators provide immediate visual status of each power channel, simplifying troubleshooting and reducing mean time to repair during power-related issues.

Wide Input Voltage Range: The module accepts input voltages from 85 to 264 VAC or 120 to 370 VDC, making it suitable for installation in facilities with varying power quality and voltage standards. For system integrators, this wide input range reduces the need for external voltage conversion equipment and simplifies power system design. The automatic input voltage detection eliminates the need for manual voltage range selection switches, reducing installation time and potential for human error during commissioning. The power supply maintains stable output voltage even during input voltage sags and surges, ensuring continuous operation of critical safety functions during power disturbances.

Hot-Swap Capability: The module supports hot-swap replacement when used in a properly configured Trusted TMR system. This feature allows the power supply to be replaced while the system remains operational, minimizing production impact during maintenance activities. The module includes soft-start circuitry that limits inrush current during insertion, preventing system disturbances during replacement. For plant operators, this capability translates to reduced downtime and improved system availability, as power supply maintenance can be performed without taking the entire safety system offline.

ICS Triplex T8270

Typical Applications

The ICS Triplex T8270 is extensively deployed in safety instrumented systems for critical process industries where power availability is essential for safe operation. In offshore oil and gas production platforms, the power supply module provides redundant power to emergency shutdown systems that must remain operational even during main power failures. The module’s wide input voltage range accommodates the variable power quality often encountered in remote offshore locations, while the triple redundancy ensures that critical safety functions remain powered even if one or two power channels fail.

In nuclear power generation facilities, the T8270 provides power to safety-related control systems that monitor reactor parameters and execute safety functions. The module’s SIL 3 certification and proven reliability meet the stringent requirements for nuclear safety systems, where power supply failures could have catastrophic consequences. The comprehensive monitoring and diagnostic capabilities provide the necessary information for predictive maintenance, allowing power supply issues to be addressed during planned reactor outages rather than causing unplanned shutdowns.

For chemical processing plants handling hazardous materials, the power supply module ensures continuous operation of gas detection and emergency ventilation systems. The module’s robust construction withstands the corrosive atmospheres often present in chemical plants, while the hot-swap capability allows for maintenance without taking safety systems offline. In these applications, the power supply’s ability to maintain operation during input voltage variations ensures that safety systems remain functional during power grid disturbances or generator transfers.

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