SIEMENS
6/3
Siemens IC 10 · 2017
Switching Devices – Soft Starters and Solid-State Switching Devices
Introduction
6
使用Sirius固态切换设备进行切换
电动机与IE3/IE4电动机结合使用
Note:
When using SIRIUS solid-state switching devices for switching
电动机与高能IE3/IE4电动机结合使用，
请观察有关尺寸的信息和
配置，
see "Application Manual for SIRIUS Controls with
IE3/IE4 Motors",
.
了解更多信息
请参阅序言，第7页
.
更多的信息
Home page,
see www.siemens.com/solid-state-switching-devices
行业购物中心，
请参阅www.siemens.com/product?3rf
Online configurator,
see www.siemens.com/sirius/configurators
3RF21
3RF20
3RF22
3RF23
3RF24
3RF29
3RF34 (motor)
Article No.
页
SIRIUS solid-state switching devices for switching resistive/inductive loads
固态继电器
固态继电器
•22.5毫米和45毫米的宽度
• Compact and space-saving design
• "Zero-point switching" version
•安装在现有的散热器上
3RF21
3RF20
3RF22
6/61
6/66
6/70
Solid-state contactors
Solid-state contactors
•完成包括固态继电器和优化散热器的单元，
"ready to use"
• Compact and space-saving design
• Versions for resistive loads "zero-point switching"
and for inductive loads "instantaneous switching"
•特殊版本的“低噪声”和“短路证明”
3RF23
3RF24
6/74
6/84
功能模块
For extending the functionality of the 3RF21 solid-state relays and the 3RF23
许多不同应用的固态接触器：
转换器
• Converters used for converting an analog input signal into an on/off ratio;
can also be used on 3RF22 and 3RF24 three-phase switching devices
3RF2900-0EA18
6/96
负载监控
• For load monitoring of one or more loads (partial loads)
3RF29..-0FA08,
3RF29.0-0GA..
6/97
加热电流监测
•用于负载一个或多个负载（部分负载）；
远程教学
3RF29..-0JA..
6/98
电源控制器
• For setting the current by means of a solid-state switching device
取决于电源控制器设置的设定值。
There is a choice of full-wave control and generalized phase control.
3RF29 ..- 0KA。
6/99
电源调节器
•用于通过固态开关设备调节电流，
取决于电源调节器设置的设定值。
闭环控制：全波控制或广义相控制
3RF29.0-0HA..
6/100
SIRIUS solid-state switching devices for switching motors
Solid-state contactors
Solid-state contactors,
固态逆转接触器
•与集成散热器的绝缘外壳中的完整单元，
"ready to use"
• Compact and space-saving design
•电动机版本，“瞬时切换”
3RF34
6/104, 6/108
©Siemens AG 2016