Basic Info.
Model NO.
SFBW-120KVA
Iron Core Shape
Ring
Power Source
Linear Regulated Power Supply
Brand
Wenlida
Products Specification
10kVA-3600kVA
Insulated Strength
2000V, 1min Does Not Have The Puncture
Insulated Electric Resistance
≥2mΩ
Efficiency
≥98%
Working Frequency
50~60Hz
Ambient Temperature
-15ºC~+45ºC
Relative Humidity
<=90%
Altitude
<1000m
Transport Package
Wooden Case
Trademark
WENLIDA
Origin
China
HS Code
85044019
Production Capacity
20000PCS/M
Product Description
COMPANY PROFILE: Shanghai Wenlida Technology Co., Ltd (hereinafter "Wenlida") is the largest manufacture base in China, the drafter of the national information industry standard, and the famous provider of voltage stabilizer.Wenlida has more than ten-year's glorious history. Since 1990, Beijing, Guangzhou, Changchun, Chongqing, Chengdu, Qingdao, Jinan and Suzhou office come into existence successively. In 2009, two new standard workshops and R&D center are established in Shanghai Jiading (37000m2) and Zhejiang Jiashan (45000m2) respectively.
Wenlida has gained public praise for its advanced technology, excellent products, stable quality and first class service. Experienced in research and technology, system design, manufacture craft and products quality has made Wenlida to be famous in the power supply industry. In 1998, 2005 and 2007, Wenlida becomes the appointed supplier of Haier, ZTE and Huawei respectively. Also, it is the qualified supplier of MITSUBISHI,HITACHI,SIEMENS,DOOSAN,MGE,Hisense and OMRON.
Nowadays, Wenlida is applying itself to the research and manufacture of clean energy, environment protection, energy saving, safety guard products. Based on the "specialized voltage stabilizer", "transformer" and "harmonic active filters", Wenlida will try to become the modern designer and manufacturer of new power supply.
PRODUCTION INTRODUCTION:This series products, compared with other types, have the advantages of big capacity, high efficiency, small waveform deformation, smooth voltage regulation, wide range of load, the ability of resisting instant overload, long-term continuous operation, manual & automatic control method, protective function of over-voltage, short-circuit and mechanical transmission failure, little volume and weight, easy and convenient use, reliable operation,etc.. This series can be used as high quality alternative voltage stabilizing supply for industry, agriculture, transportation, postal offices, railway, scientific research institutes, precision machine tools, industrial production line, medical facilities, architectural engineering equipment and testing equipment, air condition, broadcast and TV stations and hotels.
MODEL DESCRIPTION OF DIAGRAM:
TECHNICAL PARAMETERS: | Item No. | Item Name | Item Description |
| 1 | INPUT VOLTAGE (V) | 380V +/- 20% |
| 2 | WORKING FREQUENCY (Hz) | 50 / 60Hz |
| 3 | REGULATION MODE | Independent phase regulation |
| 4 | CONSTANT VOLTAGE PRECISION | +/- (1~5%) adjustable |
| 5 | NOISE (dB) | 55 dB |
| 6 | INSULATION CLASS | F |
| 7 | OPERATION TIME (hr) | ≥ 100,000 hours |
| 8 | PROTECTION CLASS | IP 20 |
| 9 | VOLTAGE WITHSTANDING | 2000V, 1min. Not broken |
| 10 | WAVE DEFORMATION / DISTORTION | ≤ 0.1% |
| 11 | EFFICIENCY | ≥ 98% |
| 12 | INSULATION RESISTANCE (MΩ) | ≥ 2MΩ |
| 13 | RESPONSE TIME (ms) | ≤ 100ms |
| 14 | TIME FOR STABILIZING | When the input voltage jumps 10% relative to the rated value, the stabilizing time is less than 1.5s. |
| 15 | PACKING | Plywood packing |
| 16 | ELECTRICAL SAFETY | CE |
| 17 | ALTITUDE (m) | < 2000m |
| 18 | RELATIVE HUMIDITY | < 90% |
| 19 | AMBIENT TEMPERATURE (ºC) | -15ºC to +45ºC |
| 20 | COOLING METHOD | Forced air cooling with fan |
| 21 | ANTI-SURGE PERFORMANCE | The input terminal is equipped with a high-energy surge impulse suppressor, which effectively solves the fatal impact of the pulse spike voltage between 10μs and 100μs, such as lightning induction in the equipment. |
CUSTOMIZED PARTS OF SBW: 
PROTECTION FUNCTIONS: | Item No. | Function Name | Item Description |
| 1 | OVER-VOLTAGE & UNDER-VOLTAGE PROTECTION | When output voltage is over or under rated voltage value, the equipment will automatically trip. |
| 2 | OVER-CURRENT PROTECTION | When the over-current exceeds the rated value, the input will be cut-off automatically. |
| 3 | MECHANICAL PROTECTION & OVERLOAD PROTECTION | When the regulating voltage operation exceeds the region, the adjustment will be automatically terminated. Once overload, it will automatically cut-off the power. |
| 4 | Overload is at 130% with 1 min. | |
| 5 | SHORT CIRCUIT PROTECTION | When the load is short circuit, it will automatically cut-off the power supply. |
| 6 | BYPASS FUNCTION | It can be manually switched to mains supply during the maintenance. |
| 7 | RETURN FUNCTION | When the sampling voltage exceeds the set value, the supplied voltage automatically returns to normal. |
| 8 | DISPLAY FUNCTION | LCD Display |
| 9 | PHASE PROTECTION | When phase sequence is reserve or less, it will automatically be protected. |
| 10 | TRUE EFFECTIVE VALUE SAMPLING | High accuracy |
| 11 | Good sensitivity | |
| 12 | Good measurement rate | |
| 13 | FREQUENCY CHARACTERISTICS | High input impedance |
| 14 | Low output impedance | |
| 15 | Wide power supply range | |
| 16 | Low power consumption | |
| 17 | VACUUM DIPPING PAINT | High insulation strength |
| 18 | Good mechanical properties | |
| 19 | Low noise | |
| 20 | Corrosion resistance | |
| 21 | Long service life | |
| 22 | CONTROL CHIP | The MCU control chip adopts the original imported ARM chip which is the industrial grade, 32-bit interface, and STM micro-electronics. |
| 23 | Advantages: | |
| 24 | Strong anti-interference precision AD acquisition. | |
| 25 | Digital circuit control. | |
| 26 | Reliable. | |
| 27 | Intelligent operation. | |
| 28 | DIMENSIONS (width * depth * height) mm | 850*700*1320 ~ 1800*1100*2200 |
| 29 | WEIGHT (kg) | 200kg ~ 3600kg |
| CAPACITY(kVA) | ENCLOSURE DIMENSION (W*D*H)mm | CABINET(s) |
| 20 | 850*700*1320 | 1 |
| 30 | ||
| 50 | ||
| 80 | 860*750*1500 | 1 |
| 100 | ||
| 120 | ||
| 150 | 1050*850*1850 | 1 |
| 180 | ||
| 225 | ||
| 320 | 1350*1100*2200 | 1 |
| 400 | ||
| 500 | Primary cabinet: 1400*850*2200 Secondary cabinet: 1200*850*2200 | 2 |
| 600 | ||
| 800 | Primary cabinet: 1400*850*2200 Secondary cabinet: 1300*850*2200 | 2 |
| 1000 | ||
| 1200 | Primary cabinet: 1750*800*2200 Secondary cabinet: 800*800*2200 | 2 |
| 1400 | ||
| 1600 | Primary cabinet: 1800*1050*2200 Secondary cabinet: 1000*1050*2200 | 2 |
| 1800 | ||
| 2000 | Primary cabinet: 1800*1100*2200 Secondary cabinet: 1600*1100*2200 | 2 |
| 2400 |
RANGE: Widely used in industry, agriculture, transportation, posts and telecommunications, railway, scientific research and culture and other fieldsDETAILS: Large mechanical and electrical equipment, metal processing equipment, production lines, construction engineering equipment, elevators, medical equipment, computer room, computer control equipment, embroidery light textile equipment, air conditioning, radio and television, communication base stations, hotels, household electrical lighting.
CERTIFICATION:
THE EXHIBITION EXPERIENCE: 
