通风、泵、传送、压缩机、风机、混合机、铣床、碎石机。
专营西门子3RW系列软启动器,特价供应西门子3RW30系列,3RW40系列,3RW44系列。
本公司产品是西门子全新原装正品,假一罚十,公司承诺质保一年,买软启动器,就到上海励辉自动化公司,
销售经理:彭彪(先生) 西门子软启动器系列产品大全:http://www.xmzcnc.com
采购询价电话:18621109195 西门子软启动器咨询热线:021-60440253
传真 号码:021-33737848 采 购 询 价 QQ:98 64 53 93 8
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软启动器工作原理
软起动器(软启动器)是一种集电机软起动、软停车、轻载节能和多种保护功能于一体的新颖电机控制装置,国外称为Soft Starter。
软启器采用三相反并联晶闸管作为调压器,将其接入电源和电动机定子之间。这种电路如三相全控桥式整流电路。
使用软启动器启动电动机时,晶闸管的输出电压逐渐增加,电动机逐渐加速,直到晶闸管全导通,
电动机工作在额定电压的机械特性上,实现平滑启动,降低启动电流,避免启动过流跳闸。
待电机达到额定转数时,启动过程结束,软启动器自动用旁路接触器取代已完成任务的晶闸管,
为电动机正常运转提供额 定电压,以降低晶闸管的热损耗,延长软启动器的使用寿命,提高其工作效率,
又使电网避免了谐波污染。软启动器同时还提供软停车功能,软停车与软启动过程相反,电压逐渐降低,
转数逐渐下降到零,避免自由停车引起的转矩冲击。
功率 | 新3RW30系列 | 功率 | 新3RW40系列 | 功率 | 3RW44系列 |
1.5KW/3.6A | 3RW30131BB04 | 5.5KW/12.5A | 3RW40241BB14 | 15KW/29A | 3RW4422-3BC44 |
3KW/6.5A | 3RW30141BB04 | 5.5KW/12.5A | 3RW40241BB14 | 18.5KW/36A | 3RW4423-3BC44 |
4KW/9A | 3RW30161BB04 | 5.5KW/12.5A | 3RW40241BB14 | 22KW/47A | 3RW4424-3BC44 |
5.5KW/12.5A | 3RW30171BB04 | 5.5KW/12.5A | 3RW40241BB14 | ||
7.5KW/17.6A | 3RW30181BB04 | 11KW/25A | 3RW40261BB14 | 30KW/57A | 3RW4425-3BC44 |
11KW/25A | 3RW30261BB04 | 11KW/25A | 3RW40261BB14 | 37KW/77A | 3RW4426-3BC44 |
15KW/32A | 3RW30271BB04 | 15KW/32A | 3RW40271BB14 | 45KW/93A | 3RW4427-3BC44 |
18.5KW/38A | 3RW30281BB04 | 18.5KW/38A | 3RW40281BB14 | 55KW/113A | 3RW4434-6BC44 |
22KW/45A | 3RW30361BB04 | 22KW/45A | 3RW40361BB14 | 75KW/134A | 3RW4435-6BC44 |
30KW/66A | 3RW30371BB04 | 30KW/63A | 3RW40371BB14 | 90KW/162A | 3RW4436-6BC44 |
37KW/72A | 3RW30381BB04 | 37KW/72A | 3RW40381BB14 | 110KW/203A | 3RW4443-6BC44 |
45KW/80A | 3RW30461BB04 | 45KW/80A | 3RW40461BB14 | 132KW/250A | 3RW4444-6BC44 |
55KW/106A | 3RW30471BB04 | 55KW/106A | 3RW40471BB14 | 160KW/313A | 3RW4445-6BC44 |
1.5KW/3.6A | 3RW30131BB14 | 5.5KW/12.5A | 3RW40241BB05 | 200KW/356A | 3RW4446-6BC44 |
3KW/6.5A | 3RW30141BB14 | 11KW/25A | 3RW40261BB05 | 250KW/432A | 3RW4447-6BC44 |
4KW/9A | 3RW30161BB14 | 11KW/25A | 3RW40261BB05 | 315KW/551A | 3RW4453-6BC44 |
5.5KW/12.5A | 3RW30171BB14 | 15KW/32A | 3RW40271BB05 | 355KW/590A | 3RW4454-6BC44 |
7.5KW/17.6A | 3RW30181BB14 | 18.5KW/38A | 3RW40281BB05 | 400KW/693A | 3RW4455-6BC44 |
11KW/25A | 3RW30261BB14 | 22KW/45A | 3RW40361BB05 | 450KW/780A | 3RW4456-6BC44 |
15KW/32A | 3RW30271BB14 | 30KW/63A | 3RW40371BB05 | 500KW/880A | 3RW4457-6BC44 |
18.5KW/38A | 3RW30281BB14 | 37KW/72A | 3RW40381BB05 | 560KW/970A | 3RW4458-6BC44 |
22KW/45A | 3RW30361BB14 | 45KW/80A | 3RW40461BB05 | 630KW/1076A | 3RW4465-6BC44 |
30KW/66A | 3RW30371BB14 | 55KW/106A | 3RW40471BB05 | ||
37KW/72A | 3RW30381BB14 | 5.5KW/12.5A | 3RW40241BB15 | ||
45KW/80A | 3RW30461BB14 | 11KW/25A | 3RW40261BB15 | ||
55KW/106A | 3RW30471BB14 | 11KW/25A | 3RW40261BB15 | ||
15KW/32A | 3RW40271BB15 | ||||
18.5KW/38A | 3RW40281BB15 | ||||
22KW/45A | 3RW40361BB15 | ||||
30KW/63A | 3RW40371BB15 | ||||
37KW/72A | 3RW40381BB15 | ||||
45KW/80A | 3RW40461BB15 | ||||
55KW/106A | 3RW40471BB15 |