WBT series of frequency conversion speed regulator
Range of application
It is suitable for the stepless speed adjustment and energy-saving operation of the dragging fan，water pump and air compressor or other AC motor with other mechanical load in the industry such as construction materials，metallurgical，petroleum，chemical industry，textile industry，machinery，power，coal，paper making，cigarette and water supply.
Working principle
It adopts the microcomputer or the programmable controller for the design of control system and makes use of the AC frequency conversion technology to realize the stepless speed adjustment operation of the AC motor and it has excellent speed adjustment performance and remarkable power-saving effect.
Performance and characteristics
High production efficiency，optimal operation state and remarkable energy-saving effect with the power-saving rate of 20～80%；
Wide speed adjustment range and high speed adjustment precision，quick response speed，greatly improving the product quality and output;
Soft starting and stopping，stable operation，small mechanical impact，remarkably prolonging the service life of the equipment;
Digitalized intelligent control and simple adjustment of the operation parameter;
With the protection and alarming functions for the over-current，overload，over-voltage， under-voltage，open phase，short circuit and stalling and so on;
Self-diagnosis and self-disposal of the default，and stable and reliable performance;
Main technical parameters
Input voltage：three-phase，380～500V±10%;
Input frequency：47～63Hz;
Output voltage：0～500V(the max, value depends on the input voltage);
Output power： 0～500KW;
Frequency range：0.5～400 Hz;
Output frequency precision： ±0.5%;
Overload capacity：150%，60s，180%，0.2s;
Protection grade：IP30.
Environmental conditions for use
Environmental temperature：-30℃～+50℃
Relative humidity：not exceeding 90%
Absolute altitude：not exceeding 2000m(as to the absolute altitude over 2000m，it can be specially designed according to the detailed working conditions)
Installation place：the orthogonal rake shall not exceed 5℃，without fire，explosion，danger，conductive dust，corrosive gas and excessive vibration.
TEL : 86-710-3401338 / FAX : 86-710-3401656
58#ChangZheng Road HuBei XiangFan China [CN]
Company Advantage
Detail Company Introduction
Worldwide electric group Co.,ltd, established in 2000, Which is the leading manufacturer in business line of electric equipments .including industry control, power distribution, energy-saving, electromotor protection.
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea
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