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Brand: Changrongyuan Power Supply
Model: SBW-200KVA
Main transformer: High-temperature resistant pure copper voltage regulating copper column
Input voltage: 280V-450V
Output current: 303A
Voltage regulation accuracy: 380V
Response speed: ≤0.1s




Specification Dimensions
| Specification Model | Dimensions (cm) L×W×H | Weight (kg) |
| High-power Voltage Stabilizer SBW-100KVA | 85*62*150 | 370 |
| High-power Voltage Stabilizer SBW-120KVA | 85*62*150 | 410 |
| High-power Voltage Stabilizer SBW-150KVA | 720*122*142 | 460 |
| High-power Voltage Stabilizer SBW-200KVA | 720*122*142 | 500 |
| High-power Voltage Stabilizer SBW-250KVA | 110*82*170 | 560 |
| High-power Voltage Stabilizer SBW-300KVA | 110*82*170 | 620 |
| High-power Voltage Stabilizer SBW-400KVA | 112*95*175 | 730 |
| High-power Voltage Stabilizer SBW-500KVA | 120*102*185 | 850 |
Product Introduction
SBW series voltage stabilizers are designed for stabilizing AC voltage. The company absorbs advanced Western European technology and combines it with China’s national conditions. When the grid voltage fluctuates or the load changes, it can automatically keep the output voltage stable. Compared with other types of voltage stabilizers, this series features large capacity, high efficiency, no waveform distortion, balanced voltage regulation, wide applicable load range, ability to withstand instantaneous overload, long-term continuous operation, digital display function, manual / automatic switching, and built-in bypass switch. It is equipped with overvoltage, undervoltage protection, power-on self-recovery, fault alarm and other protection functions.
Scope of Application
Widely used for full plant voltage stabilization in factories, post and telecommunications, shopping malls, office buildings, hospitals, schools, printing, papermaking, pharmaceutical, textile and all occasions requiring normal voltage, as well as large and medium-sized industrial and mining enterprise workshops, partial power supply and supporting for important equipment and single machines.

Functional Features
- Digital microcomputer control: Voltage and current are digitally displayed for higher accuracy. The control circuit monitors the output voltage by microcomputer. When the input voltage fluctuates, it adjusts to the target voltage immediately.
- Wide voltage stabilization range: ±20% of rated output voltage (take 380V as an example, the range is 305V-456V), or 15%, 30% can be set.
- Response time: The voltage stabilization action is completed within one second after power startup.
- High voltage stabilization accuracy: The output voltage error after stabilization is less than 2%.
- High output efficiency: The output efficiency reaches more than 98% from no-load to full load, saving electricity cost for you.
- Strong overload capacity: It can withstand instantaneous overload of more than 150% for 10 seconds; overload of more than 200% for 2 seconds.
- Well-designed: Adopts hidden voltage setting and fuse-free switch, which can prevent improper operation and man-made damage, safe, durable and long service life.
Technical Parameters
| Input voltage: 280V–430V | Output voltage: 380V |
| Output current: 303A | Frequency: 50Hz–60Hz |
| Temperature control protection: Contactor disconnects when temperature >105℃ | Temperature rise: <60℃ |
| Ambient temperature: -20℃, -40℃ | Adjustment time: ≤0.2s |
| Power factor: 0.8 | Efficiency: >98% |
| Insulation class: Class B | Overload capacity: Allows 1.5 times instantaneous current |
| Noise: <45db | Dielectric strength: 2000V/min |
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