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    Item No.: LYL1-125(RCCB)

    Residual Current Circuit Breaker LYL1-125(RCCB)

    Description：

    Operating mechanism is plastic structure, operating performanceis more stable and reliable than metal structure, such as releaseforce, mechanical life cycle.For environmental protection is betterthan metal type and also the type is new generation mechanism.
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      The LYL1-125 is a high-capacity residual current circuit breaker designed for leakage current protection in residential, commercial, and light industrial low-voltage AC systems.

      🔹 Key Technical Knowledge

      • Protection type: Residual current (earth leakage) protection

      • Rated current range: Up to 125A

      • Pole configuration: 2P (1P+N) / 4P (3P+N)

      • Installation: DIN rail mounting

      • Compliance: IEC 61008-1

      • Manufacturer role: RCCB factory with OEM & bulk supply capability

      🔹 Why choose LYL1-125?

      • Higher current capacity for main distribution applications

      • Stable tripping performance under long-term load conditions

      • Reinforced mechanical structure improves service life

      🔹 OEM & Manufacturing Advantage

      As a professional RCCB manufacturer, we provide customized current ratings, branding, and packaging solutions for panel builders and international distributors.

      🔹 Use Cases / Industries

      • Residential buildings and apartments

      • Commercial distribution panels

      • Light industrial electrical cabinets

      • Electrical panel OEM and wholesale projects

      Technical Data

      Rated current:16A,20A,25A,32A,40A,50A,63A
      Rated voltage:230~1P+N,400V~3P+N
      Rated frequency:50/60Hz
      Number of pole:2P,4P
      Module size:36mm
      Circuit type:AC type,A type, B type
      Breaking capacity:6000A
      Rated residual operating current:10,30,100,300mA
      Optimum operating temperature:-5°C to 40°C
      Terminal Tightening torque:2.5~4N/m
      Terminal Capacity(top): 25mm
      Terminal Capacity(bottom):25mm
      Electro-mechanical endurance:4000 cycles
      Mounting:35mm DinRail
      Suitable Busbar:PlN Busbar

      Compliance

      IEC61008-1
      IEC61008-2-1

      Overall& Installation Dimensions

      FAQs

      1. What is the LYL1-125 Residual Current Circuit Breaker designed for?
      The LYL1-125 is a high-capacity RCCB designed for leakage current protection in residential, commercial, and industrial AC electrical systems, safeguarding people and equipment when residual currents occur.

      2. What makes the LYL1-125 different from standard RCCBs?
      Unlike basic RCCBs, the LYL1-125 features a new generation operating mechanism with plastic insulated structure, improving mechanical life and environmental performance while providing stable protection.

      3. What current ratings and configurations are supported?
      This series covers rated currents from 16A to 63A and supports both 2-pole (1P+N) and 4-pole (3P+N) configurations.

      4. What standards does the LYL1-125 comply with?
      It is compliant with IEC 61008-1 / IEC 61008-2-1 international standards for residual current circuit breakers.

      5. Can this product be supplied with OEM or custom branding?
      Yes. As a professional RCCB manufacturer and factory supplier, we offer OEM/ODM customization, packaging options, and bulk supply for distributors.

      6. How does this breaker improve safety in distribution systems?
      By detecting leakage and disconnecting fault currents quickly, it significantly reduces the risk of electric shock and fire hazards in power distribution boards.

      Start Customizing Now

      We offer a full range of customised services, working closely with our customers every step of the way, from concept design to final delivery.

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      • 15 years factory experience
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      • OEM&ODM
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