Item No.: LYL9

LYL9 RCCB

Description：

Scope of application
LYL9 residual current circuit breaker(without overcurrent protection)is suitable for AC 50Hz,rated voltage 240V for two poles, 4l5V for four poles, and rated current up to 80A. lt can quickly cut off the fault power in a very short time,
To protect the safety of people and electrical equipment, it can also be used for infrequent switching of lines.
It’s suitable for terminal distribution lines in commercial office buildings, residential andgeneral industrial use.
Compliant with: lEC61008-1,GB16916.1

The LYL9 RCCB is a standard residual current circuit breaker designed for leakage protection in general AC distribution systems.

🔹 Key Technical Knowledge

Protection type: Earth leakage protection
Application scope: Residential & commercial
Pole configuration: 2P / 4P
Mounting: Standard DIN rail
Compliance: IEC 61008-1
Manufacturer role: High-volume RCCB manufacturer

🔹 Why choose LYL9?

Proven design widely used in global markets
Cost-effective solution for standard safety requirements
Stable supply for large-scale projects

🔹 OEM & Manufacturing Advantage

Our factory supports high-volume production, consistent quality control, and long-term OEM cooperation.

🔹 Use Cases / Industries

Office & retail power distribution
Residential electrical boards
Industrial plant circuit protection
OEM electrical equipment manufacturing

FAQs

1. What makes the LYL9 RCCB different from basic breakers?
The LYL9 is a residual current circuit breaker designed to detect leakage faults and disconnect circuits extremely quickly to protect people and equipment. It also allows infrequent line switching.

2. What voltage and current configurations does LYL9 support?
It is suitable for AC 50 Hz systems, with options for 2-pole (240 V) and 4-pole (415 V) configurations, and rated currents up to approximately 80 A.

3. Why is quick leakage detection important?
Quick action prevents hazards such as electric shock and fire by rapidly interrupting current flow when imbalance due to leakage is detected.

4. Does the LYL9 RCCB meet international safety norms?
Yes. This model meets standards such as IEC 61008-1 and GB 16916.1, giving confidence for global market use.

5. Can the LYL9 be customized for project needs?
Absolutely — as a factory with OEM/ODM capabilities, we provide customization, private labeling, and bulk delivery for electrical distributors.

6. Is the LYL9 suitable for general industrial use?
Yes. Its construction is reliable for a range of industrial and commercial protection applications.