Smart automatic circuit breaker | with residual current protection and WiFi control | 2P | 40 A | 100 mA | IP20 | GEYA GRD9L-W
Code: ESGRD9L-W1A 2-pole (L+N) smart circuit breaker combining MCB / RCCB / RCBO functions, enabling remote control, monitoring, and automatic reclosing of the electrical circuit via WiFi connection. This device operates as a circuit breaker with residual current protection and an Auto-Recloser function, which automatically restores power after a temporary fault. Thanks to 2.4 GHz WiFi connectivity, it is suitable for smart homes, commercial facilities, and professional electrical automation.
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Technical specifications
Manufacturer: GEYA
Model: GRD9L-W
Type: Smart circuit breaker
Polarity: 2P (L + N)
Rated current: 40 A
Residual current: 100 mA
Control: WiFi
WiFi standard: 802.11 b/g/n, 2.4 GHz
Rated voltage: AC 220 V, 50–60 Hz
Voltage tolerance: –10% / +10%
Power consumption: Standby ≤ 1 VA; Operating ≤ 20 VA
Operating time: ≤ 1 s
Mechanical endurance: ≥ 10,000 cycles
Operating temperature: –20 °C … +55 °C
Storage temperature: –35 °C … +75 °C
Protection class: IP20
Overvoltage category: II
Pollution degree: 2
Max. cable cross-section: Solid wire: 1×2.5 mm² or 2×1.5 mm²; With ferrule: 1×2.5 mm² (AWG12)
Mounting: 35 mm DIN rail (EN/IEC 60715)
Dimensions: 82 × 18 × 78 mm
Weight: 80 gFunctions
Remote ON/OFF – electrical circuit control via WiFi without physical access.
Residual current protection (RCD) – protects people and equipment from leakage current hazards.
Overcurrent protection (MCB) – automatic disconnection in case of overload or short circuit.
Auto-Recloser function – automatic power restoration after a temporary fault.
2-pole (L+N) disconnection – complete and safe circuit isolation.Applications
For home users: Smart home electrical safety, automatic power restoration after short interruptions, remote control of circuits.
For electricians: Fast DIN rail installation, one device instead of several (MCB + RCD), modern solution for customers.
For engineers / automation specialists: Smart electrical protection management, remote monitoring, suitable for BMS and smart buildings.
For commercial and technical facilities: Increased power supply reliability, automatic protection and restoration, reduced downtime risk.Advantages
MCB + RCCB + RCBO in one device
WiFi control and Auto-Recloser function
2P (L+N) safe disconnection
Wide current range up to 63 A
DIN rail mounting
Compact sizeDisadvantages
Works only with 2.4 GHz WiFi
IP20 – intended for installation in electrical panels
Requires a stable WiFi connectionIllustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.This product is marked with the CE label, which confirms that it complies with all applicable European Union directives and regulations. CE marking is not just a formality – it is an important indicator of quality and safety, ensuring that the product has been properly assessed, tested, and can be safely used throughout the EU market.
CE certification means that the product has been evaluated according to the main criteria:
Safety requirements – ensures that the product does not pose a risk to the user or the environment
Electromagnetic compatibility (EMC) – the device does not interfere with other equipment and is resistant to external disturbances
Environmental standards – complies with current ecological and material usage requirements
Operational reliability – the product is suitable for long-term use according to its intended purposeCE marking allows this product to:
be legally supplied and used in all European Union countries
ensure a high level of quality and safety
be used in residential, commercial, and industrial environmentsThe CE mark is a declaration of the manufacturer’s responsibility, confirming that the product complies with all applicable standards and has been assessed according to EU legislation.
What does this mean for you as a buyer?
Safe use in everyday activities
Reliable performance and reduced risk of failure
Compliance with EU standards and requirements
Suitability for professional solutions
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