上门提货，现场维修，快速解决MM440 75kw变频器报警故障代码F0001,F0002,F0003,F0022,F0004,A501,A502,A503，无显示，炸机，显示横杠,提供专业维修保养服务，经典疑难故障解决，西门子专业工程师维修，技术*，实力强，配件原装，带负载测试，质量可靠，咨询维修及专业问题
 

公司常备以下MM440变频器型号规格，MM440变频器电路板配件，IGBT,触发板，主控板，电容板，整流桥，IO板，信号板，电源板等。

6SE6440-2UC11-2AA1

6SE6440-2UC12-5AA1 6SE6440-2UC13-7AA1 6SE6440-2UC15-5AA1 6SE6440-2UC17-5AA1

6SE6440-2UC21-1BA1 6SE6440-2UC21-5BA1 6SE6440-2UC22-2BA1 6SE6440-2UC23-0CA1

6SE6440-2UC11-2AA1 6SE6440-2UC12-5AA1 6SE6440-2UC13-7AA1 6SE6440-2UC15-5AA1

6SE6440-2UC17-5AA1 6SE6440-2UC21-1BA1 6SE6440-2UC21-5BA1 6SE6440-2UC22-2BA1

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6SE6440-2UC31-1DA1 6SE6440-2UC31-5DA1 6SE6440-2UC31-8EA1 6SE6440-2UC32-2EA1

6SE6440-2UC33-0FA1 6SE6440-2UC33-7FA1 6SE6440-2UC34-5FA1  6SE6440-2UD17-5AA1

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6SE6440-2UD33-7EB1 6SE6440-2UD34-5FB16SE6440-2UD35-5FB1 6SE6440-2UD37-5FB1

6SE6440-2UD38-8FB16SE6440-2UD41-1FB16SE6440-2UD41-3GB1 6SE6440-2UD41-6GB1

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6SE6440-2UE33-7EA16SE6440-2UE34-5FA16SE6440-2UE35-5FA1  6SE6440-2UE37-5FA1