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    Item No.: LY1-C40/1(S)+1

    LY1-C40/1(S)+1PLUGGABLE SINGLE-POLE SPD

    Description：

    Class ll ·Type 2 ·Type 1CA
    Location of Use: Sub-Distribution Boards
    Mode of Protection: L-N, N-PE
    Surge Ratings: In = 20 kA (8/20 μs)
    IEC/EN/UL Category: Class ll /Type 2/Type 1CA
    Protective Elements: High Energy MOV
    Housing: Pluggable Design
    Compliance: lEC 61643-11:2011
    EN 61643-11:2012

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      This 40kA 1P+N GDT AC surge protective device combines GDT (Gas Discharge Tube) and MOV ZnO technology, providing coordinated surge protection with fast response and low residual voltage.
      It’s designed for single-phase + neutral systems, ensuring both line and neutral protection.
      The housing uses PVC/PA66/PBT, ensuring strength, insulation, and heat resistance.
      Complies with IEC 61643-11:2011 / EN 61643-11:2022, and holds CE & TUV certificates.
      We are a professional OEM/ODM manufacturer and factory, providing wholesale, bulk buy, and in bulk solutions for distributors worldwide.

      Applicable scenarios / Application industries

      Easily installed via 35mm DIN rail, ideal for solar systems, residential control boxes, and AC surge panels.

      ■ Technical Data
      IEC Electrical 75 150 275 320 385 440
      Nominal AC Voltage (50/60Hz) Uo/ Un 60 V 120 V 230 V 230 V 230 V 400V
      Maximum Continuous Operating Voltage (AC) (L-N) Uc 75V 150 V 275 V 320 V 385V 440V
      (N-PE) Uc 255 V
      Nominal Discharge Current (8/20 μs) (L-N) / (N-PE) In 20kV / 20kA
      Maximum Discharge Current (8/20 μs) (L-N) / (N-PE) Imax 40 kA / 40 kA
      Voltage Protection Level (L-N) / (N-PE) Up 0.4kV/1.5kV 1.0kV/1.5kV 1.5kV/1.5kV 1.6kV/1.5kV 1.8kV/1.5kV 2.0kV/1.5kV
      (N-PE) Ifi 100 ARMS
      Response Time (L-N) / (N-PE) tA < 25 ns / < 100 ns
      Back-Up Fuse (max) 315 A / 250 A gG
      Short-Circuit Current Rating (AC) (L-N) ISCCR 25 kA / 50 kA
      TOV Withstand 5s (L-N) UT 90 V 180 V 335 V 335 V 335 V 580V
      TOV 120min (L-N) UT 115 V 230 V 440 V 440 V 440 V 765V
      mode Withstand Withstand Safe Fail Safe Fail Safe Fail Safe Fail
      TOV Withstand 200ms (N-PE) UT 1200 V
      Mechanical & Environmental
      Operating Temperature Range Ta -40ºF to +158ºF [-40ºC to +70ºC]
      Permissible Operating Humidity RH 5%…95%
      Atmospheric pressure and altitude 80k Pa … 106k Pa / -500 m…… 2000 m
      Terminal Screw Torque Mmax 39.9 Ibf·in[4.5 Nm]
      Conductor Cross Section (max) 2 AWG (Solid, Stranded) / 4 AWG (Flexible)
      35 mm² (Solid, Stranded) / 25 mm²(Flexible)
      Mounting 35 mm DIN Rail, EN 60715
      Degree of Protection IP 20 (built-in)
      Housing Material Thermoplastic: Extinguishing Degree UL 94 V-0
      Thermal Protection Yes
      Operating State / Fault Indication Green ok / Red defect
      Remote Contacts (RC)
      RC Switching Capacity
      RC Conductor Cross Section (max)      		 Optional
      AC: 250V / 0.5 A; DC: 250V / 0.1 A;125V / 0.2 A;75V / 0.5 A
      16 AWG (Solid) / 1.5 mm²(Solid)

      ■ Internal Configuration


      ■ Dimensions & Packaging


      ■ Connection Diagram

      FAQ for LY1-C40/1(S)+1PLUGGABLE SINGLE-POLE SPD

      1. What type of surge protection does the LY1-C40/1(S)+1 provide?

      The LY1-C40/1(S)+1 is a Type 2 pluggable surge protective device designed to protect single-phase AC power systems from transient overvoltages. It uses high-performance MOV components to deliver stable protection for distribution boards and terminal equipment.

      2. Is the module replaceable?

      Yes. The LY1-C40/1(S)+1 features a pluggable module design, allowing fast replacement during maintenance without rewiring or shutting down the entire system.

      3. What installation environments are suitable for this SPD?

      It is ideal for residential distribution boxes, commercial building panels, industrial control cabinets, and other AC low-voltage installations that require reliable Type 2 surge suppression.

      4. Does this model comply with IEC standards?

      Yes. The LY1-C40/1(S)+1 is manufactured according to IEC 61643-11:2011 / EN 61643-11:2022, and carries CE and TUV certifications.

      5. What visual indicators does the device include?

      Each module includes a clear status window to show whether the SPD is operating normally or requires replacement.

      6. Do you support OEM and ODM production for this model?

      Yes. We are a specialized SPD manufacturing factory offering full OEM/ODM customization, including housing color, branding, packaging, and technical parameters.

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      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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