SBW-300kVA Three Phase SVC AC Pure Sine Wave Voltage Stabilizer 380V Copper Coil CE Certified 98% Efficiency for Elevator

• SBW is a standard model designation (common in China and global markets) for large-capacity, three-phase or single-phase servo-controlled automatic voltage stabilizers.
• It uses a servo motor + carbon brushes + auto-transformer (buck-boost transformer) to continuously adjust output voltage.
• Widely used in industrial, commercial, and medical applications where stable voltage is critical (e.g., CNC machines, elevators, lighting systems, labs).

Key Features of SBW Stabilizers:

• Input voltage range: e.g., 260V–450V (for 380V systems)
• Output voltage accuracy: ±1% to ±3%
• High efficiency (>95%)
• Built-in protections: over/under-voltage, overload, short circuit

2. What Does “Copper Pillar” Mean Here?

In many SBW stabilizers, the output terminals or internal high-current connection points are made of solid copper pillars (or copper studs) instead of ordinary screws or wiring lugs. This design offers:

Lower electrical resistance
Better heat dissipation
Higher current-carrying capacity
Improved durability & reliability under heavy load
Reduced risk of overheating or fire compared to aluminum or iron components

So, "Copper Pillar SBW Voltage Stabilizer" typically means an SBW-type stabilizer that uses high-purity copper pillars for main power terminals or internal busbars, indicating a higher-grade, industrial-quality build.

Typical Applications
Industrial machinery
Hospital equipment
Telecommunications
LED lighting systems (including those using lighting control transformers!)
Elevators and escalators
Printing & packaging lines

Q1: What Is The Guarantee?
A1:Within 5 Year From The Sale Date, If There Are Any Accessory Problems,You Just Provide The Photos Of Damaged Accessory, Then We Will Provide A Satidfication After-Sale Service For Free.

Q2: Can We Put/Show Our Own Logo On Your Products?
A2: Yes, No Problem, However, The Quantity Should Be A Bit Big.