✅ CHINT 697029 – G NJYB3-10 AC220V 3-phase protection relay for overvoltage, undervoltage, phase failure, phase sequence, and voltage unbalance monitoring. Designed for AC220V three-phase four-wire (3P4W) systems with CE certification. 🔹 Description (English): The CHINT 697029 – G NJYB3-10 AC220V is a versatile and compact 3-phase protection relay for AC220V systems using a 3P4W (three-phase four-wire) configuration. It provides reliable protection against power quality issues such as overvoltage, undervoltage, phase loss, reverse phase sequence, and voltage imbalance. Widely used in low-voltage distribution boards, HVAC systems, and commercial panels, this relay helps prevent faults that can damage sensitive loads. Optional PTC thermal protection is available for temperature-sensitive environments. Fully compliant with IEC/EN 60947-4-1 and CE certified for quality assurance. 🔹 Key Features: • Rated Voltage: AC220V • System Type: 3P4W • Function Code: 10 • Protection: Overvoltage, Undervoltage, Phase failure, Phase sequence, Voltage unbalance • Optional PTC thermal protection • Suitable for low-voltage commercial and control systems • CE certified • Complies with IEC/EN 60947-4-1 🔹 Technical Specifications (English): Parameter Value Model G NJYB3-10 AC220V Part Number CHINT 697029 Rated Voltage AC220V System Type 3P4W Function Code 10 PTC Temperature Option Optional (P) Protection Functions Overvoltage, Undervoltage, Phase failure, Phase sequence, Voltage unbalance Compliance IEC/EN 60947-4-1 Certification CE