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A phase protector, also known as a phase protection relay or phase monitoring relay, is an electronic device used to prevent damage to large motors in HVAC systems from power supply issues. It checks the power feeding into the three-phase motor and continually monitors for low or high-voltage, overcurrent, phase loss, phase reversal, and voltage imbalance.

Benefits of a Phase Protector

• Prevents damage to HVAC system components, such as three-phase motors and transformers, from phase imbalances and voltage-related harm.
• Prevents costly repairs by cutting off power to the motor when a problem is detected.
• Helps to minimize imbalances and increase energy efficiency, resulting in better system performance.
• Offers indicators and alarms to notify you or technicians of problems, preventing downtime and costly repairs.

Key Features to Consider

• Adjustable voltage range to match your motor’s needs
• Time delay to prevent restarting too quickly
• Phase protectors typically come pre-installed in industrial equipment, such as HVAC systems, and connect to the three-phase power feeding these motor controls.

Infomation to order the product/Thông tin liên hệ mua sản phẩm: 
HVACR VIET NAM ENGINEERING CO.,LTD/ CÔNG TY TNHH KỸ THUẬT HVACR VIỆT NAM
Address: 331/70/45A Phan Huy Ich Street, ward 14, Go Vap District, HCM City, Vietnam
Telephone/ Điện thoại: (+84) 327.299.154