第一種サージ防護デバイス KYSPD-25T1-1P|Kuangya

  • Class I / Type 1 SPD for service entrance, 230/400 V AC systems.

  • Impulse current Iimp 25 kA (10/350 μs), In 25 kA, Imax 100 kA.

  • Pluggable module with visual indicator, DIN-rail, optional remote signaling (RC).

お見積もり

カテゴリー:
について 第1種サージ保護装置 KYSPD-25T1-1P is designed for main distribution boards and service entrances. It protects low-voltage AC installations against direct lightning currents and high-energy surges per IEC/EN 61643-11. With an impulse discharge current rating of 25 kA per pole (10/350 μs), it provides robust first-stage protection in coordinated systems.

主な特徴

  • Complies with IEC/EN 61643-11, Class I / Type 1.
  • Impulse discharge current Iimp: 25 kA (10/350 μs); In 25 kA; Imax 100 kA.
  • Uc options: 320 V, 385 V, 440 V AC; nominal system Uo/Un 230/400 V AC.
  • Pluggable cartridge with thermal disconnector and green/red status window.
  • Optional RC terminals for remote status signaling.
  • Housing UL94 V-0, IP20 (built-in); 35 mm DIN rail mounting.
  • Suitable for TN-S / TN-C / TT systems (correct L-N / N-PE wiring).
  • Ideal as a 第1種サージ保護装置 at the service entrance in coordinated SPD schemes.

仕様

パラメータ価値
商品コードKYSPD-25T1-1P
カテゴリーType 1 / Class I SPD
Nominal System Voltage (Uo/Un)230 / 400 V AC
Max. Continuous Operating Voltage (Uc)320 / 385 / 440 V AC
公称放電電流(In、8/20 μs)25 kA
Max. Discharge Current (Imax, 8/20 μs)100 kA
Impulse Discharge Current (Iimp, 10/350 μs)25 kA per pole
電圧保護レベル(上)~1.6–2.0 kV (by variant)
応答時間< 25 ns
Follow Current Interrupt Rating100 A RMS
短絡電流定格(ISCCR)50 kA
Backup Fuse (max)315 A gL/gG
動作温度-40 °C … +70 °C
取り付け35 mm DIN rail (EN 60715)
エンクロージャーThermoplastic, UL94 V-0
保護等級IP20 (built-in)
Remote SignalingOptional RC contacts
規格IEC 61643-11 / EN 61643-11

配線と寸法

  • Connection diagram: kyspd-25t1-connection
  • SPD-T1-1P-wiring-diagram
  • 寸法: kyspd-25t1-dimensions
  • SPD-T1-1P-Dimension

アプリケーション

  • Service entrance / main distribution (LPZ 0→1) — first stage 第1種サージ保護装置.
  • Industrial & commercial buildings with high lightning exposure.
  • Upstream in coordinated protection with downstream Type 2 / Type 3 SPDs.

よくあるご質問

Where should this SPD be installed?

At the service entrance or main distribution board, as the first protection stage.

Does it support TT and TN systems?

Yes, with proper wiring modes L-N and N-PE.

What backup fuse is required?

Maximum 315 A gL/gG, as recommended in technical data.

Can it be replaced easily?

Yes, the cartridge is pluggable and field-replaceable.

Is remote monitoring available?

Yes, RC contacts are optional for status signaling.

What is the ISCCR rating?

50 kA short-circuit withstand capacity.

What happens if the module fails?

The thermal disconnector isolates it and the indicator turns red.

どのような基準を満たしているのか?

IEC/EN 61643-11 for surge protective devices.

お見積もり · Related: AC MCB, 手動トランスファースイッチ

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