Enphase Q-RELAY-1P Single-Phase Relay Controller
Modelo: Q-RELAY-1P- Sku: ENPHACC003
- Vendor: Enphase
Specifications
Product description
The Enphase Q-RELAY-1P Single-Phase Relay Controller is an intelligent device designed to act as a safety switch in single-phase solar systems with Enphase IQ microinverters. Its function is to automatically disconnect the installation when anomalies are detected in the electrical grid, complying with regulations such as anti-islanding or zero injection. Its direct communication with the Envoy-S gateway enables remote and secure management of the entire installation.
Main features
- Nominal voltage of 230–240 V and frequency of 50 Hz
- 2-contact output (L1 and N) with capacity up to 20 A
- Supports up to 19 IQ7 microinverters or 16 IQ7+ per relay
- Grid acquisition time: 100 ms (5 cycles at 50 Hz)
- 35 mm DIN rail mounting, 53 mm width
- Automatic reconnection when normal conditions are restored
Advantages or benefits
- Full system protection against voltage or frequency anomalies
- Complies with zero injection and anti-islanding disconnection regulations
- Remote management from Enphase Envoy-S and the Enlighten platform
- High reliability for residential solar energy installations
- Compact design, easy to integrate into domestic electrical panels
Purpose or applications
The Enphase Q-RELAY-1P is intended for single-phase residential solar installations using IQ microinverters. It is mandatory in many countries to ensure automatic disconnection in case of electrical faults, and allows management of the entire system from the Enphase Enlighten platform.
Technical specifications
| Power | 4.8 kVA |
| Nominal voltage | 230–240 V |
| Format | DIN rail, 53 mm wide |
Compatibilities
This product is compatible with: Enphase IQ 7+ Microinverter, IQ 8AC, IQ 8HC, IQ 8P, Enphase Zigbee Adapter.
Enphase Q-RELAY-1P Single-Phase Relay Controller is a professional solution for demanding renewable energy projects. Increases autonomy, optimizes space, and improves the efficiency of your installation.
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Enphase Q-RELAY-1P Single-Phase Relay Controller





