NJYB3-15 220V Phase Sequence Relay

Phase Sequence Relay NJYB3-15 220V — Compact Three-Phase Monitoring for Reliable Power Protection

Phase Sequence Relay NJYB3-15 220V is a compact and reliable device designed to protect electrical equipment operating on a 220V supply. This relay continuously monitors the presence and correct sequence of all three phases, immediately disconnecting the load in case of phase loss, phase imbalance, or phase reversal. Its small footprint and easy installation make it ideal for a wide range of industrial and commercial applications, ensuring equipment longevity and preventing costly downtime. It provides essential protection against single-phasing and incorrect phase connections.

Technical Specifications:

• Type: Phase Sequence Relay / Phase Monitoring Relay

• Standard: GB/T 14536-2008 (Equivalent to IEC 60947-4-1)

• Base Material: Flame-retardant plastic housing, internal electronic components

• Application: Indoor use, protected environments

• Consumption: ≤ 5VA

• Drying Time: Not applicable (electronic device)

• Durability: Operating temperature: -20°C to +60°C; Mechanical life: 10 million operations; Electrical life: 100,000 operations at rated load

• Packaging: Individual cardboard box with product label and installation instructions

Advantages:

• Protects valuable equipment from damage.

• Prevents costly downtime and production losses.

• Compact design for easy installation in tight spaces.

• Fast response time ensures immediate protection.

• Reliable performance with long service life.

• Simple wiring and configuration.

Applications:

• Motor protection in industrial machinery.

• Protection of three-phase pumps and compressors.

• HVAC systems and climate control equipment.

• Control panels and distribution boards.