20kVA Contact Voltage Regulator | 0-420V Precision Control | ONAN Cooling

⚡ 52.6A Continuous Output

🛡️ 8-Cycle Short-Circuit Withstand

📏 Symmetrical Compensation Technology

Industrial-Grade Voltage Regulation for Critical Power Applications

The LQDZ-20kVA contact voltage regulator delivers laboratory-grade precision in industrial environments. Featuring symmetrical compensation and reversed polarity circuitry, this regulator maintains linear output characteristics with ±0.5% voltage stability during 1-hour continuous operation at full 52.6A load. Ideal for precision manufacturing, transformer testing, and high-current calibration facilities requiring uncompromised voltage control.

Dimensions: 800×700×1500mm (W×D×H)

Weight: 350kg (stabilized base frame)

Cooling: ONAN (Oil Natural Air Natural)

Technical Specifications

Advanced Control & Safety Systems

Precision Regulation Circuitry

Symmetrical compensation with reversed polarity technology ensures:

• Linear output (R² ≥ 0.999)

• Adjustable regulation speed: 2-20 V/s

• <1% overshoot during step changes

Integrated Monitoring System

• Magnetic oil level indicator with temperature compensation

• Multi-position contact status display

• Protection contacts for overtravel safety

Industrial Interlock System

Safety-rated interfaces for:

• Control table synchronization

• Secondary switchgear integration

• Emergency shutdown circuits (SIL 2)

ONAN Cooling Technology

Dual-path thermal management: Oil convection dissipates 85% heat load, supplemented by natural air flow across radiators. Maintains 65°C max winding temperature at full load.

Performance Advantages

Certification & Compliance

IEC 60076-11

IEEE C57.12.00

CAT IV 600V

IP54 Enclosure