Description
Product Overview
The GYAR9 Smart Auto Recloser combined with the GYL9 Type A RCCB (Residual Current Circuit Breaker) is an intelligent, high-performance electrical safety solution designed for remote earth leakage protection and automatic power restoration. While traditional breakers require manual resetting after a trip, this smart IoT-ready assembly automatically recloses the circuit following transient faults, minimizing downtime. Featuring Type A residual current detection, it is specifically engineered to handle complex electrical environments involving pulsating DC currents, making it an essential upgrade for smart grids, outdoor installations, and automated systems.
Distinct Protection Roles: RCCB vs. MCB
Unlike our MCB (Miniature Circuit Breaker) combinations that focus on short-circuit and overload protection, this GYL9 RCCB assembly is strictly dedicated to earth leakage and human shock protection. The RCCB detects minute leakage currents (such as 30mA) escaping to the earth, instantly cutting power to prevent electrocution or electrical fires. Because the RCCB does not protect against short circuits, this device must be paired with an upstream MCB or fuse to ensure complete circuit safety.
Key Features & Advantages
- Type A Sensitivity: Accurately detects both sinusoidal AC and pulsating DC residual currents, providing superior protection for electronics with rectifiers, such as EV charging stations and solar PV systems.
- Nuisance Trip Mitigation: Outdoor environments often experience “false” leakage trips due to morning dew, high humidity, or lightning. The GYAR9 auto-recloser intelligently restores power once the transient condition clears, saving expensive on-site maintenance trips.
- Smart Connectivity: Features a compact 1-module motor operating mechanism with dedicated terminals for remote switching and status monitoring, easily integrating into Energy Management Systems (EMS) or SCADA.
- Robust & Reliable: Built for endurance with a mechanical life of 10,000 operations, IP20 terminal protection, and compliance with strict RoHS 2.0 environmental standards.
Ideal Applications
This smart RCCB combination is highly recommended for unmanned, hard-to-reach, or high-availability outdoor applications. Typical use cases include EV charging piles, telecommunication base stations, agricultural irrigation pumps, smart street lighting control boxes, and outdoor digital signage.
For product dimensions, please refer to the PDF content.










