6ES5440-8MA12服务周到

6ES5440-8MA12服务周到 

6ES5440-8MA12服务周到 

6ES5440-8MA12服务周到 

6ES5440-8MA12服务周到 

是西门子 LOGO! 1.9A 电源，以下是该电源的一些特点：

• 输入特性：输入电压为 AC 100-240V，具有较宽的输入电压范围，适用于大多数应用场景，从工业用电到民用低压电网均可使用，在85V～264V 宽输入电压范围内能正常工作。

• 输出特性：输出为 DC 12V / 1.9A 的稳定电压。尽管尺寸小、成本低，但具有许多优点，如 5V、12V、15V 均有两档输出，24V 有三档输出；通过前置电位计可便捷地设定输出电压；绿色 LED 指示“输出电压正常”。

• 结构设计：结构紧凑，外形小巧，宽度为54、72 或 90mm，非常适合安装在小型配电盘上。

• 工作环境：工作温度范围宽，为-20°C 至+55°C，适合多种工作环境。

• 其他特性：具有高电磁兼容性（EMC），满足 CE、UL/cUL、FM 和船级社 GL 等认证；具备恒定输出电压和负载保护功能，可并联以提高输出功率；高电流起动时具有恒定电流保护，可用于 DC/DC 转换器和电机等负载。

该电源可应用于化工、能源、建材、电子、交通等多个领域，例如工业和楼宇服务自动化、太阳能技术、测量和控制技术、传感器、用于 TTL 技术的电子电路供电等。

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