50kVA Voltage Regulator and Step-Down Transformer Combo – Model Wbt-50kVA

• Customization: Available
• Current Type: AC
• Phase: Three Phase
• Model NO.: WBT-50KVA
• Frequency Characteristics: Power Frequency
• Usage: SVC
• Frequency: 50~60Hz
• Size: Small
• Iron Core Shape: Ring
• Power Source: Linear Regulated Power Supply
• Application Range: Industrial and Mining Enterprises
• Brand: Zhengxi
• Response Time: 0.4-1s
• Input Voltage: 304V-456V or Customized
• Capacity: 30kVA
• Output Voltage: 220V+/-3% or Customized
• Certificate: CE/Is09001
• Display: LCD Screen
• Over Voltage Protection: Yes
• Over Load Protection: Yes
• High Temperature Protection: Yes
• Under Voltage Protection: Can Be Option
• Warranty: 1 Years
• Transport Package: Export Standard Packing
• Specification: 850*720*1120mm
• Trademark: ZHENGXI or OEM
• Origin: Zhejiang, China
• HS Code: 8504401990

Product Description

Technical Specification Sheet

Model: WBT-50KVA Combined Voltage Regulator and Transformer

Item	Specification
Model	WBT-50KVA
Rated Capacity	50 KVA
Product Type	Integrated Automatic Voltage Regulator and Isolation Transformer Unit
Input Voltage	380V ± 20% (customizable)
Output Voltage	380V ± 1-3% stabilized (or customizable: 220V / 400V / 415V / etc.)
Phase	Three Phase (3Φ 4 Wire + Ground)
Input Frequency	50Hz / 60Hz
Voltage Regulation Mode	Servo motor control with automatic regulation
Transformer Type	Dry-type Isolation Transformer
Voltage Accuracy	±1%-3% (adjustable)
Response Time	≤1 second (against 10% voltage fluctuation)
Efficiency	≥98%
Insulation Resistance	≥2 MΩ
Dielectric Strength	2000V/1min without breakdown
Cooling Method	Natural air cooling / Forced air cooling (depending on load)
Overload Capacity	120% for 1 min; 150% instantaneous
Protection Functions	Over-voltage, Under-voltage, Overload, Short-circuit, Phase loss, Delay start
Display Type	Digital meter (Input/Output voltage, current, frequency)
Operating Temperature	-10°C to +45°C
Relative Humidity	<95%, non-condensing
Noise Level	≤55 dB (1 meter)
Cooling Fan Control	Automatic temperature-controlled fan
Application	CNC Machines, Laser Cutting Machines, SMT Lines, Medical Equipment, Industrial Automation
Dimensions (W×D×H)	Approx. 700 × 600 × 1100 mm (varies slightly by design)
Net Weight	Approx. 280-320 kg
Installation Type	Floor-standing
Compliance	CE / ISO9001 / RoHS (optional)

 

 

Customization Available:

• Input/Output voltage

• Frequency (50Hz/60Hz)

• Remote monitoring interface

• Wheels or lifting hooks

• Enclosure color/logo branding

 

 

 

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