Three-Phase Relay Controller Enphase Q-RELAY-3P

Product description

The Enphase Q-RELAY-3P Three-Phase Relay Controller is a safety device designed for the automatic disconnection of solar installations with Enphase IQ microinverters in the event of grid anomalies. It acts as an intelligent grid relay, ensuring compliance with zero injection and anti-islanding protection regulations, which are essential for residential or commercial three-phase projects using Enphase technology.

Main features

• Four-pole three-phase relay (L1, L2, L3, and Neutral)
• Supports up to 25 A per phase and up to 19 IQ7 microinverters or 16 IQ7+ per line
• Input voltage of 230–240 V and nominal frequency of 50 Hz
• 35 mm DIN rail mounting, compact width of 107 mm
• Active monitoring of voltage, frequency, and DC injection with automatic reconnection
• Compatible with three-phase systems in EMEA and APAC regions

Advantages or benefits

• Ensures automatic disconnection in the event of grid failures
• Complies with current safety and grid connection regulations
• Protects your solar system and improves its long-term reliability
• Enables intelligent management from the Envoy-S and Enlighten system
• Scalable: allows up to 20 relays in large installations

Purpose or applications

The Enphase Q-RELAY-3P is specifically designed for three-phase photovoltaic installations with IQ microinverters. It is used as a mandatory safety device in many countries to comply with electrical requirements such as fault disconnection, anti-islanding, and zero export control. It is ideal for residential or commercial projects with centralized communication via Enphase Envoy-S.

Technical specifications

Compatibilities

This product is compatible with: Enphase IQ 7+ Microinverter, IQ 8AC, IQ 8HC, IQ 8P, Enphase Zigbee Adapter.

Enphase Q-RELAY-3P Three-Phase Relay Controller is a professional solution for demanding renewable energy projects. Increases autonomy, optimizes space, and improves the efficiency of your installation.