QZB series motor starter autotransformer three phase suitable for AC 50/60Hz, rated voltage 380V, three-phase squirrel cage induction motor power 14KW-800KW frequent voltage starting to improve motor starter transmission network . ● Suitable places suitable for industrial and mining enterprises, the three-phase motor rated frequency 50-60HZ, voltage not exceeding 1200V three-phase AC line voltage starting with. The normal transformer starting time for each no more than 15S, One hour, no more than 3 times. ● starter motor power: 14KW to 6300KW ● Insulation Class: F Class or Class H ● Frequency: 50/60Hz ● Number of phases: three-phase ● Product standard GB6450-1986 GB 19212.1-2003 JB / T 9646-1999 GB 19212.14-2007 ● Material core material imported high quality silicon silicon steel sheet, wire for high-quality oxygen-free copper, runtime reduce product loss, and to ensure the stability of the product. Vacuum impregnation in the production and use of Class H insulation material, greatly reduce the insulation withstand voltage hazards, greatly improve the safety and service life of the product. ● quality assurance year warranty and lifetime maintenance. ● Other product standards, dimensions and other technical parameters if you have special requirements, please visit the company website or contact Shanghai relay power to negotiate further. Shanghai relay Power Equipment Manufacturing Co., Ltd. products include: dry-type distribution transformers (SCB), the isolation transformer (SG, DG), rectifier transformer (ZSG), auto-transformers (OSG), series reactor (CKSG CKSC) start the reactor (QKSG QKSC QKSQ QKSJ) input and output reactors (Inlet Outlet power reactors), filter reactor (LKSG).