STK 33 Series
Three-Phase 15–150 kVA
View Details 
Static Stabilizers
STK 11 Series
Single-Phase 7.5–50 kVA
Detailed product specifications and documentation available on request. Contact our engineering team for technical consultation.
Phase
Single-Phase
Capacity
7.5–50 kVA
Technology
Static (IGBT)
Select Capacity
Key Features
Engineered for reliability
Wide Input Range
Designed to operate across a broad input voltage range, ensuring stable output even under challenging grid conditions.
Fast Correction Speed
Rapid response to voltage fluctuations, protecting sensitive equipment from transients and sags.
Robust Construction
Heavy-duty industrial enclosure with IP-rated protection, designed for continuous operation in demanding environments.
Low Maintenance
Engineered for long service intervals with accessible components and straightforward maintenance procedures.
Technical Specifications
Detailed specifications
Input Characteristics
- Input voltage range
- 140V – 280V
- Input frequency
- 50/60 Hz
- Input phase
- Single phase
Output Characteristics
- Output voltage
- 220V
- Output accuracy
- ± 0.5%
Capacity & Rating
- Capacity range
- 7.5 kVA
Performance
- Efficiency
- > 98%
- Correction speed
- < 1 ms
Protection
- Overload protection
- Electronic shutdown
- Short circuit protection
- Electronic fuse
Physical
- Dimensions (W×D×H)
- -
- Weight
- -
Environmental
- Operating temperature
- –20°C to +45°C
Documents & Downloads
Technical documentation
Certifications & Warranty
ISO 9001
CE
Warranty:
Warranty terms available on request
Related Products
Other products in this series
STK 33 HI Series
Three-Phase 120–800 kVA
View Details 
STK 33 MAX Series
Three-Phase 1000–3500 kVA
View Details Need help selecting the right configuration for your application?
Contact our engineering team