150kVA ~ 350kVA Range

LQDZ 350kVA |380V Input | 0-800V Adjustable Output |Manual Contact Voltage Regulator| Industrial Voltage Stabilizer

Discover the LQDZ-350kVA contact voltage regulator with 0~800V step-less control, 380V±10% input, ONAN cooling, and industrial-grade performance specifications.

US$ 21,311.00
Lead time: 60 days

Send email to us

>>>WhatsApp Communication<<<

Product Details

Product Tags

LQDZ 350kVA |380V Input | 0-800V Adjustable Output |Manual Contact Voltage Regulator| Industrial Voltage Stabilizer

Core Technical Specifications

Parameter	Specification	Industrial Significance
Rated Capacity	350kVA	Heavy-duty industrial applications
Input Voltage	380V ±10% (Two-Phase)	Compatible with industrial power variations
Output Voltage	0~800V	Wide-range precision control
Input Current	875A	High-current handling capability
Output Current	437.5A	Stable output under full load
Temperature Rise	<55°C	Superior thermal management
Cooling System	ONAN (Oil Natural Air Natural)	Maintenance-free operation
Dimensions (L×W×H)	1200×1200×1950mm	Compact footprint for power density
Weight	2800kg	Robust industrial construction

Advanced Operational Features

Step-less Voltage Regulation

Continuous 0~800V output adjustment with variable speed control for rapid or gradual voltage transitions

Pure Sine Wave Output

<3% THD ensures compatibility with sensitive electronic equipment and motor drives

Zero-Voltage Start Capability

Safe equipment initialization without power surges

Thermal Management System

ONAN Cooling Efficiency

Natural oil convection heat dissipation
Maintains <55°C temperature rise at full load
No external fans required

Robust Construction

Industrial-grade steel enclosure
Precision-wound copper windings
Carbon brush assembly for smooth contact

"The step-less voltage control enables precise 0.1V adjustments - critical for semiconductor manufacturing and precision testing applications."

Industrial Applications

Manufacturing Plants

Motor speed control systems
Welding equipment voltage stabilization
Production line power conditioning

Testing Laboratories

Precision voltage sourcing
Equipment burn-in testing
Research & development

Renewable Energy

Wind turbine pitch control
Solar inverter testing
Grid simulation

Performance Advantages

Feature	LQDZ-350kVA Advantage	Industry Standard
Voltage Adjustment	Step-less continuous control	Fixed 5-10V increments
Output Waveform	<3% THD sine wave	5-8% THD common
Cooling Efficiency	ONAN with <55°C rise	60-70°C typical
Startup Capability	True 0-voltage start	Minimum 10-20V start