<!-- .at_2{FONT-SIZE: 14pt; FONT-FAMILY: Arial} .at_7{FONT-FAMILY: Arial; mso-bidi-font-weight: bold} .at_15{mso-bidi-font-weight: bold; mso-ascii-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-GB} .at_22{FONT-FAMILY: Arial} .at_19{FONT-FAMILY: 宋体; mso-bidi-font-weight: bold; mso-bidi-font-family: 宋体; mso-ansi-language: EN-GB} .at_16{FONT-FAMILY: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: Arial; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: Arial; mso-ansi-language: EN-GB} .at_6{FONT-FAMILY: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: Arial; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: Arial} .at_12{MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 42pt; mso-char-indent-count: 4.0} .at_20{FONT-FAMILY: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial} .at_0{MARGIN: 0cm 0cm 0pt} .at_3{FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial} .at_14{FONT-FAMILY: Arial; mso-ansi-language: EN-GB} .at_23{FONT-FAMILY: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-GB} .at_17{FONT-FAMILY: Arial; mso-bidi-font-weight: bold; mso-ansi-language: EN-GB} .at_9{mso-ansi-language: EN-GB} .at_8{MARGIN: 0cm 0cm 0pt 54pt} .at_5{MARGIN: 0cm 0cm 0pt 18pt} .at_21{FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial} .at_10{FONT-FAMILY: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-GB} .at_13{FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: Arial; mso-ansi-language: EN-GB} .at_18{FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-GB} .at_1{mso-bidi-font-weight: normal} .at_4{mso-spacerun: yes} .at_11{mso-bidi-font-weight: bold; mso-ansi-language: EN-GB} -->我公司为施耐德变频器华东区总代理，产品为原装进口，备有大量现货供应，品种齐全，价格优惠！欢迎来电了解详情！ ATV21全新系列智能变频器, 3相220V, IP20, 0.75至30KW※针对暖通空调行业及标准OEM制造商※广泛应用于HVAC行业※随产品有一个前操作盘和一个4位7段码显示器※在通信方面，提供用于建筑市场的大量可选协议，并标准内置Modbus协议。※设计使用于全球市场※符合主要的标准和国际指导规范，包括EMC和环境保护。  ◆适合风机水泵负载瞬时过转矩能力120% 60s；◆允许最大电网跌落：40%◆专利低谐波技术,实现THDI < 30%;新器件结合先进的软件控制技术；无需外加电抗器，结构紧凑节约成本；◆内置A级或B级EMC滤波器;IP20 380V供电全系列集成Class A级EMC滤波器；◆集成能量节约电机控制模式；◆内置Modbus通信接口，并提供楼宇专用的通讯卡选件；LonWorks, Metasys N2,Apogee FLN P1, BACnet◆上电即用，编程简单：出厂设置参数按照风机水泵应用优化；若电机与驱动器功率匹配，无需编程；LOC/REM键方便切换的本地按钮控制◆通风：风机皮带断裂检测；频率跳转；故障自动排除结合旋转负载捕捉，保证设备连续运行；◆水泵：电流阀值检测；低速运行时间限制，并可接入PTC传感器；在测量信号丢失的情况下仍可保证连续运行；最低运行频率设置，睡眠唤醒功能。◆供热和中央空调：优化的PID调节功能，操作简单；多种电机模式可以选，适应不同负载； 完善的的设备监测、诊断、故障管理、报警。