西门子授权代理商/变频器总代理商价格西门子授权代理商/变频器总代理商价格更多信息关于主页，请参见 www.siemens.com/sirius-soft-starterTIA Selection Tool Cloud (TST Cloud)，请参见 www.siemens.com/tstcloud/?node=3rw40网上商城，请参见 www.siemens.com/product?3RW40软起动器仿真工具 (STS)，请参见 https://support.industry.siemens.com/cs/ww/en/view/101494917转换工具，请参见www.siemens.com/conversion-toolSIRIUS 3RW40 软起动器基本性能软起动器 SIRIUS 3RW40 可以用于三相异步电机的软起动和运行停机控制。由于进行两相控制，不仅可将所有三相的电流在整个起动过程中保持在小值，而且还消除了干扰性的直流成分。这不仅使得电机的两相起动高达 55 kW（400 V 时），也避免了如使用星-三角起动器产生的电流和转矩峰值。SIRIUS 3RW40 软起动器适合起动保护类型为 ATEX Directive 94/9/EC 的 EEx e 的“增安型”防爆电机。SIRIUS 3RW40 基本性能型软起动器带附件优势   3RW402。3RW403。3RW404。西门子授权代理商/变频器总代理商价格产品特性/功能性能/优点小型模块化设计控制面板布局节约空间，安排清晰提供电机过载和内在装置保护，无需额外接线可调节的脱扣等级，集成诊断功能集成在 SIRIUS 模块化系统中各模块连接到电机起动保护器混合开关装置和两相电机控制通过避免直流分量，实现极低功耗和优化的电机控制根据 ATEX Directive 94/9/EC 进行认证适合起动带“增安”型保护 EEx e 的防爆电机可选件电机的热敏电阻保护全方位电机保护应用SIRIUS 3RW40固态软起动器 SIRIUS 3RW40 可以用于三相异步电机的软起动和运行停机控制。通过两相控制，整个起动时间内，所有三相中的电流可保持在小值，且避免了干扰直流部件。这不仅使得电机的两相起动高达 250 kW（400 V 时），也避免了如使用 wye-delta 起动器产生的电流和转矩峰值。应用领域请参见 PDF“软起动器选型助手”中“SIRIUS 3RW 软起动器”→“概述”下面的内容。组态西门子授权代理商/变频器总代理商价格More informationTechnical specifications, seehttps://support.industry.siemens.com/cs/ww/en/ps/25251/tdFAQs, see https://support.industry.siemens.com/cs/ww/en/ps/25251/faqEquipment Manual, see https://support.industry.siemens.com/cs/ww/en/view/38752095Simulation Tool for Soft Starters (STS), see https://support.industry.siemens.com/cs/ww/en/view/101494917Type 3RW40243RW40263RW40273RW4028Power electronicsLoad rating rated operational current IeAccording to IEC and UL/CSA1), individual mounting at 40/50/60 °C, AC‑53aA12.5/11/1025.3/23/2132.2/29/2638/34/31Smallest adjustable rated motor current I Mfor motor overload protectionA5101723Power lossIn operation after completed starting with uninterrupted rated operational current (40 °C) approx.W281319During starting with current limiting set to 300% IM (40 °C)68188220256Permissible rated motor current and starts per hourFor normal starting (CLASS 10) at 40/50 °C西门子授权代理商/变频器总代理商价格Rated motor current IM2), startup time 3 s12.5/1125/2332/2938/34Starts per hour3)1/h50/5023/2319/19Rated motor current IM2), startup time 4 s36/3615/1516/1612/12For heavy starting (CLASS 20) at 40/50 °CRated motor current IM2), startup time 6 s10/921/1927/2431/2847/4721/2120/2018/18Rated motor current IM2), startup time 8 s34/3414/1413/131) Measurement at 60 °C according to UL/CSA not required.2) Current limiting on soft starter set to 300% IM, Tu = 40/50 °C. Maximum adjustable rated motor current IM dependent on CLASS setting.3) For intermittent duty S4 with ON period = 30%, Tu = 40/50 °C, stand-alone installation vertical. The quoted switching frequencies do not apply for automatic mode. Factors for permissible switching frequency in other mounting position, direct mounting, side-by-side mounting, and implementation of optional auxiliary fan, see Equipment Manual in Chapter "Configuring".Type3RW40363RW40373RW40383RW40463RW4047Load rating rated operational current IeAccording to IEC and UL/CSA1), individual mounting at 40/50/60 °C, AC-53a45/42/3963/58/5372/62.1/6080/73/66106/98/90Smallest adjustable rated motor current IMfor motor overload protection26354346In operation after completed starting with uninterrupted rated operational current (40 °C) approx.61200576768西门子授权代理商/变频器总代理商价格