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    Item No.: LYAS80

    LYAS80 Switch-Disconnectors

    Description：

    LYAS80 Switch-disconnectors are widely used in Power Distributionsystems and Automation systems for Buildings, Power, Petrochemicaland other industries, can effectively solve the problems of emergencydisconnection, safety disconnection, machine control and motor control.
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      The LYAS80 DC Isolator Switch is a high-performance disconnect switch designed for safe manual isolation of direct current (DC) circuits, especially in photovoltaic, energy storage, and industrial DC systems.

      🔹 Key Technical Knowledge

      • Product type: DC isolator / disconnect switch

      • Rated DC voltage: suitable for 600–1500V DC systems

      • Contacts: positive break mechanism for safe DC switching

      • Mounting: panel or enclosure mounting

      • Compliance: IEC 60947-3 standard for DC switching

      • Manufacturer role: Factory-direct DC isolator switch manufacturer with OEM capabilities

      🔹 Use Cases / Industries

      • Solar photovoltaic DC arrays

      • Energy storage DC systems

      • Battery and UPS DC distribution

      • Telecom DC power racks

      • Industrial DC control panels

      🔹 OEM & Manufacturing Advantage

      As a factory-direct DC isolator switch supplier, we support OEM/ODM customization, bulk production, and private-label packaging for global distributors and system integrators.

      Technical Details

      Type3PAS16RAS20RAS25RAS32RAS40RAS63RAS80RAS80HRAS100RAS125R
      4P
      Agreed heating current
      (≤40℃)      		16A20A25A32A40A63A80A100A100A125A
      IEC rated operational
      current le AC-21A/B(≤690V)      		16A/16A20A/20A25A/25A32A/32A40A/40A63A/63A80A/80A100A/100A100A/100A125A/125A
      IEC rated
      operational current
      le AC-22A/B      		415V16A/16A20A/20A25A/25A32A/32A40A/40A63A/63A80A/80A100A/100A100A/100A125A/125A
      500V
      690V32A/40A40A/63A63A/80A63A/80A80A/100A100A/125A
      IEC rated
      operational current
      le AC-23A/B      		415V16A/16A20A/20A25A/25A32A/32A40A/40A63A/63A80A/80A100A/100A100A/100A125A/125A
      500V25A/25A63A/63A80A/100A100A/100A
      690V40A/40A63A/63A63A/63A
      IEC rated
      operational current
      le DC-21B      		110VDC16A①20A①25A①32A①40A①63A①80A①100A①100A①125A①
      250VDC16A220A225A232A②40A②63A②80A②100A②100A②125A②
      400VDC16A320A325A325A③40A③63A3
      IEC rated
      operational power
      (3Phse)AC-23A/B      		415V7.5KW9KW11KW15KW18.5KW30KW37KW45KW55KW
      500V
      690V11KW15KW
      Short circuit withstand current of fuse protection (kA rms expected value)
      Fuse class16A20A  25A  32A  40A  63A  80A100A   125A
      Rated conditional
      short-circuit current      		50kA25kA
      Short circuit withstand current of circuit breaker for protection,any circuit breaker that can trip within 0.3s
      Rated short-time
      withstand current      		2.5kA  3kA5kA
      Short circuit performance (unprotected)
      Rated short-time
      withstand current      		1.26kA1.5kA 2.75kA
      Rated short circuit
      making capacity      		1.8kA2.1kA 3.9kA
      Cross area of terminals1.5~16mm²2.5-35mm²   10~70mm²
      Rated insulation voltage Ui800V
      Ratedimpulse withstand
      voltage Uimp      		8kV
      Mechanical Endurance100000
      Ambient TemperatureOperating -25°℃..+55℃/Storage -40℃..+70℃

      1. Each pole is usedas positive and negative
      2. Three poles are used in series with positive and negative poles,of which two poles are in series, and the other is negative
      3. Four poles are used in serieswith positive and negative poles

      Applications

      LYAS80 Switch-disconnectors are widely used in Power Distributionsystems and Automation systems for Buildings, Power, Petrochemicaland other industries, can effectively solve the problems of emergencydisconnection, safety disconnection, machine control and motor control.
      With integrated isolation, breaking and switching function, the highperformance design means these products can be easily changed formLoad lsolation Switches to Cam Switches and provide highly innovativesolutions for many application.

      FAQ – LYAS80 DC Isolator Switch

      1. What is the primary function of the LYAS80 DC Isolator Switch?
        It provides safe manual disconnection of DC circuits for maintenance, inspection, or emergency shutdown.

      2. What voltage systems is LYAS80 suitable for?
        Designed for use in medium- to high-voltage DC systems such as solar PV arrays and energy-storage DC buses.

      3. Is the LYAS80 suitable for photovoltaic (PV) installations?
        Yes — ideal for isolating DC strings between PV panels and inverters.

      4. What standard does this switch comply with?
        It complies with IEC 60947-3, ensuring safe DC isolation performance.

      5. Can the isolator be OEM customized?
        Yes — our factory provides OEM/ODM branding, packaging, and technical customization.

      6. Where is the isolator typically mounted?
        It can be installed in DC combiner boxes, inverter cabinets, or standalone DC distribution panels.

      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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      • Comprehensive brochure you can download
      • 15 years factory experience
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      • OEM&ODM
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