380V, 400V, 415V, 420V, 440V, 460V, 480V vector control VSD drives (AC frequency inverters), support common DC bus, suitable for bulk installation. Built-in PID feedback for closed loop control. Built-in parameter copy function.failure rate: < 1%, just the same as other world-class traditional brands, such as Siemens, ABB, Emerson, Schneider, Rockwell Automation (Allen-Bradley), Lenze, Parker, Yaskawa, Mitsubishi, Fuji, Omronauthorized CE, issued by ECMG. With audit of NVLAP. NVLAP Lab code: 200068-0. ISO/IEC 07025:1999, ISO 9002:1994 delivery lead time: 1-3 days18-month warranty periodsupply to REGAL, Ingersoll Rand, Foxconn, Tata Group... Voltage range of flux vector control variable speed drives: 380 VAC - 480 VAC (323 VAC - 528 VAC): 380 V, 400 V, 415 V, 440 V, 460 V, 480 V Power rating: 0.4 KW ~ more than 3 MW (0.5 hp to more than 4000 hp)PID closed loop control & flux vector control. Vector Control 1 (optimized V/Hz control, flux vector control features): Offering excellent vector control performance and insensitive to motor parameters. Startup torque: 0.50Hz 180% rated torque Speed adjustment range: 1:100 Speed stabilization precision: +- 0.5% 0.50Hz controllable motor stable operation with 150% rated torque (large torque at low frequency). Vector Control 2 (Without encoder speed feedback, sensorless vector control, field oriented control): Precise speed sensorless vector control technology realizes AC motor decoupling, enabling the DC motorization of operation control. Startup torque: 0.25Hz 180% rated torque (large torque at low frequency) Speed adjustment range: 1:200 Speed stabilization precision: +- 0.2% 0.25Hz controllable motor stable operation with 150% rated torque. Applications: mechanics, winders, screw feeders, electronics, laminating machine (laminator), dividing and cutting machines (splitting machines, slitting machines), metallurgy, mining and coal, air compressors, petrochemical, transportation, building materials, metal processing, textile industry, printing and dyeing, paper making, plastic injection moulding machine, central air conditioning, numerical control machine tools, fan and pump, blower, HVAC (air conditioner of large building, water supply system for large building), wastewater treatment (sewage disposal) system, civil engineering (municipal engineering), and other industrial areas.