PowerBull provides high-quality, cost-effective key components and integrated supply solutions for 10kV and 35kV medium & high voltage switchgear, dedicated to helping switchgear manufacturers enhance product performance, optimize cost structure, and strengthen long-term market competitiveness.

We rely on strict quality control, mature supply chain management and professional technical support to become your reliable long-term partner, helping you improve product stability, safety and profitability.

Our Core Switchgear Components (10kV & 35kV)

- Vacuum Circuit Breaker & Interrupter – High breaking capacity, long service life, stable and maintenance-free

- Circuit Breaker Handcart Assembly – Precise positioning, reliable interlock, smooth operation

- HV/LV Busbar System – High conductivity, strong heat dissipation, standardized processing

- Current Transformer (CT) & Voltage Transformer (VT/PT) – High precision, stable measurement, complete certification

- Contact Box & Static Contact Components – Excellent conductivity, low temperature rise, long service life

- Earthing Switch & Operating Mechanism – Safe and reliable, with mechanical interlock protection

- Epoxy Resin Insulators & Insulation Parts – High insulation strength, flame retardant, anti-aging

- Control & Protection Relay Module – Intelligent control, accurate protection, stable performance

- Cabinet Enclosure & Structural Parts – High strength, good rigidity, beautiful and durable

- Interlock Device & Safety Parts – Full interlock protection, in line with international safety standards

- Pressure Relief Plate & Cable Accessories – Safe pressure release, stable connection, easy installation

Value to Switchgear Manufacturers

- Stable and certified component quality

- Optimized cost structure for better price competitiveness

- Reliable supply chain and on-time delivery

- Professional technical support and quality assurance

- Help you produce safer, more reliable and more competitive switchgear products

PowerBull – Your trusted component partner for switchgear manufacturing success.