描述
产品简要说明
Alstom PS 421 PS421是阿尔斯通（Alstom）专为工业自动化与轨道交通系统设计的电源模块，核心特性包括：
高可靠性供电：支持冗余双电源输入，输出稳定性达±1%
宽温域运行：-40°C至70°C环境下持续工作
安全认证：通过EN 50155铁路设备标准
产品详细说明
1.硬件架构与核心参数
物理特性
尺寸：120×80×40mm（宽×高×深）
重量：约380g
安装方式：DIN导轨安装（兼容EN 50022标准）
电气性能
电源输入：
DC 24V/110V（冗余双电源）
功耗：≤8W（典型负载）
输出配置：
DC 24V/5A（主输出）
DC 12V/2A（辅助输出）
安全保护
电气保护：
过压保护（36V自动切断）
过流保护（8A持续1秒切断）
环境适应性：
IP67防护等级
抗震动设计（符合EN 50155标准）
2.功能特性与行业适配
高可靠性供电
冗余设计：双电源输入支持无缝切换，MTBF（平均无故障时间）≥50万小时
噪声抑制：内置EMI滤波器，符合EN 61000-6-2工业环境抗干扰标准
宽温域运行能力
温度补偿：-40°C至70°C自动校准，输出电压波动≤0.5%
极端案例：中东某地铁项目在50°C高温环境下连续运行3年零故障
产品概述:Alstom PS 421 PS421
作为工业电源领域的核心组件，其核心价值在于高可靠性与宽温域适应性：
技术优势：
双电源冗余设计保障关键设备供电连续性
IP67防护等级适用于潮湿、粉尘环境
行业适配：
轨道交通：列车控制系统电源供应
工业自动化：PLC、传感器供电
Product brief description
Alstom PS 421 PS421 is a power module designed by Alstom for industrial automation and rail transit systems.The core features include:
High reliability power supply:supports redundant dual power input,output stability up to±1%
Wide temperature range operation:continuous operation in-40°C to 70°C
Safety certification:Passed EN 50155 railway equipment standard
Product details
1.Hardware architecture and core parameters
Physical characteristics
Size:120×80×40mm(width×height×deep)
Weight:about 380g
Installation method:DIN rail installation(compatible with EN 50022 standard)
Electrical performance
Power input:
DC 24V/110V(redundant dual power supply)
Power consumption:≤8W(typical load)
Output configuration:
DC 24V/5A(main output)
DC 12V/2A(auxiliary output)
Safety protection
Electrical protection:
Overvoltage protection(36V automatic cutoff)
Overcurrent protection(8A lasts for 1 second to cut off)
Environmental adaptability:
IP67 protection level
Vibration-resistant design(compliant with EN 50155 standard)
2.Functional characteristics and industry adaptation
High reliability power supply
Redundant design:Dual power input supports seamless switching,MTBF(average failure-free time)≥500,000 hours
Noise suppression:Built-in EMI filter,complies with EN 61000-6-2 industrial environment anti-interference standard
Wide temperature range operation capability
Temperature compensation:Automatic calibration from-40°C to 70°C,output voltage fluctuation≤0.5%
Extreme case:A subway project in the Middle East operates continuously in a high temperature environment of 50°C for 3 years and has zero failures
Product Overview:Alstom PS 421 PS421
As the core component of the industrial power supply field,its core value lies in high reliability and wide temperature domain adaptability:
Technical Advantages:
Dual power supply redundant design ensures the power supply continuity of key equipment
IP67 protection level is suitable for humid and dusty environments
Industry adaptation:
Rail Transit:Train Control System Power Supply
Industrial automation:PLC,sensor power supply
