Description

GENERAL DESCRIPTION

The JVH SBW-50KVA-J Automatic Voltage Regulator (AVR) is a heavy-duty, three-phase voltage stabilization system designed to provide precise and reliable voltage regulation for industrial and commercial applications.

It utilizes a mechanical-type servo regulator controlled by a digital control circuit board, ensuring fast response, high accuracy, and long service life. The unit is equipped with a main dry-type transformer, built-in bypass switch, and comprehensive protection features, making it ideal for critical equipment that requires stable 380V power supply under fluctuating input conditions.

FULL PRODUCT FEATURES

Electrical Specifications

• Capacity: 50KVA
• Phase Configuration:
  • Input: 3W + 1N
  • Output: 3W + 1G

Input Voltage Range

• Line to Line: 380VAC ±20%
• Line to Neutral: 220VAC ±20%

Output Voltage Accuracy

• Line to Line: 380VAC ±2%
• Line to Ground: 220VAC ±2%

Control & Regulation

• Digital control circuit board for precise voltage sensing and regulation
• Mechanical (servo motor type) voltage regulation system
• Manual output voltage adjuster for fine-tuning as required

Protection & Safety

• High and low voltage protection
• Power-on breaker with MCCB relay – 100A
• Stable and reliable operation under voltage fluctuations

Construction & Convenience

• Main dry-type transformer for durability and low maintenance
• Built-in by-pass switch for continuous operation during maintenance or AVR servicing
• Rugged industrial-grade enclosure

APPLICATIONS

The JVH SBW-50KVA-J AVR is suitable for a wide range of three-phase equipment and facilities, including:

• Industrial manufacturing machines
• CNC machines and automation systems
• Elevators and escalators
• Commercial buildings and office complexes
• Data centers and server rooms
• Hospitals and medical equipment
• Hotels, malls, and large retail spaces
• Power-sensitive electrical and electronic equipment

Additional information

Brand

JVH AVR