ABB SD831(3BSC610064R1)

ABB    SD831(3BSC610064R1)

The SD83x Power Supply Units are designed to meet all the applicable electrical safety data stated by the EN 50178 harmonized European Standard Publication and the additional safety and function data required by EN 61131-2 and UL 508.

The secondary output circuitry is accepted for SELV or PELV applications. They are switch-mode Power Supply Units that convert the mains voltage to 24 volts d.c. These power supplies can be utilized for non-redundant and redundant applications.

Redundant applications require diode voting units SS823 or SS832. With the type SD83x series Power Supply Units, there is no requirement for the installation of a mains filter. They provide a soft start feature; power-on of an SD83x will not trip fuses or earth-fault circuit breakers.

Features and benefits

• Simple DIN-rail mounting
• Class I Equipment, (when connected to Protective Earth, (PE))
• Over-voltage Category III for connection to primary main TN network
• Protective separation of secondary circuit from primary circuit
• Accepted for SELV and PELV applications
• The output of the units is protected against over current (current limit) and over-voltage (OVP)
• Both a.c. and d.c. input at SD831 and SD834

ABB SD831（3BSC610064R1）
SD83x电源装置的设计符合EN 50178协调欧洲标准出版物规定的所有适用电气安全数据以及EN 61131-2和UL 508要求的额外安全和功能数据。
次级输出电路可用于SELV或PELV应用。它们是开关模式电源单元，可将市电电压转换为24伏直流电。这些电源可用于非冗余和冗余应用。
冗余应用需要二极管表决单元SS823或SS832。对于SD83x系列电源设备，不需要安装电源滤波器。它们提供软启动功能；SD83x通电不会使保险丝或接地故障断路器跳闸。

特性和优势
简单的DIN导轨安装
I类设备（当连接到保护接地（PE）时）
与TN主电网连接的III类过电压
二次电路与一次电路的保护性隔离
接受SELV和PELV应用
装置的输出受到过电流（电流限制）和过电压（OVP）保护
SD831和SD834的交流和直流输入

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