Siemens 6ES5955-3LF11 电源模块  PDF资料 

1.产 品 资 料 介 绍：

Siemens 6ES5955-3LF11是SIMATIC S5系列中的955电源模块，专为S5-135U/155U大型控制系统设计，作为机架的“动力心脏”，为背板总线及扩展模块提供稳定可靠的直流供电。

核心产品特点

产品类型：开关电源模块，属于SIMATIC S5-955系列

适用系统：专为S5-135U和S5-155U中央/扩展机架设计

安装位置：机架最左侧槽位（Slot 1）

输入电压：85V AC至264V AC宽范围交流输入，或90V DC至300V DC直流输入，适应不同电网条件

输出电压：提供5V DC（供CPU及模块逻辑电路）和24V DC（供传感器及部分接口）两路输出

输出电流：5V DC最大10A，24V DC最大20A，具备大功率输出能力

无内置电池：该型号为无缓冲电池版本，断电后RAM数据无法保持，需配合EPROM卡存储程序或使用外部UPS

保护功能：内置过载保护、短路保护和过热保护，故障消除后可自动恢复

状态指示灯：配备5V OK、24V OK绿色指示灯及Fault红色故障指示灯，便于现场监控

工作温度：0°C至60°C，适应工业现场环境

存储温度：-25°C至70°C

防护等级：IP20，适合控制柜内安装

国际认证：通过CE、UL、CSA认证，确保使用安全合规

结尾：应用价值

该电源模块作为S5-135U/155U大型控制系统的核心供电组件，凭借其宽范围输入、双路大功率输出及完善的保护机制，在冶金、电力、化工等重工业自动化场景中，能有效保障系统运行的稳定性与可靠性，是维护老旧S5生产线持续运转的关键备件。

Siemens 6ES5955-3LF11 电源模块  英文介绍

Siemens 6ES5955-3LF11 is the 955 power module in the SIMATIC S5 series, designed specifically for S5-135U/155U large control systems. As the "power heart" of the rack, it provides stable and reliable DC power supply for the backplane bus and expansion modules.

Core product features

Product type: Switching power module, belonging to SIMATIC S5-955 series

Applicable system: Designed specifically for S5-135U and S5-155U central/expansion racks

Installation position: leftmost slot of the rack (Slot 1)

Input voltage: 85V AC to 264V AC wide range AC input, or 90V DC to 300V DC input, suitable for different power grid conditions

Output voltage: Provides two outputs of 5V DC (for CPU and module logic circuits) and 24V DC (for sensors and some interfaces)

Output current: 5V DC maximum 10A, 24V DC maximum 20A, with high-power output capability

No built-in battery: This model is a version without buffering batteries, and RAM data cannot be retained after power failure. It needs to be stored with an EPROM card or an external UPS

Protection function: Built in overload protection, short circuit protection, and overheating protection, which can automatically recover after the fault is eliminated

Status indicator light: equipped with 5V OK, 24V OK green indicator light and Fault red fault indicator light for on-site monitoring

Working temperature: 0 ° C to 60 ° C, suitable for industrial site environment

Storage temperature: -25 ° C to 70 ° C

Protection level: IP20, suitable for installation inside control cabinets

International certification: CE, UL, CSA certification to ensure safe and compliant use

Conclusion: Application Value

As the core power supply component of the S5-135U/155U large-scale control system, this power module, with its wide range input, dual high-power output, and comprehensive protection mechanism, can effectively ensure the stability and reliability of system operation in heavy industry automation scenarios such as metallurgy, power, and chemical engineering. It is a key spare part for maintaining the continuous operation of old S5 production lines.

Siemens 6ES5955-3LF11 电源模块  产品展示   

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4.其他英文产品

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型号：Siemens 6ES5955-3LF11 电源模块

质保：一年

成色：全新/二手

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