Type 1 Surge Protective Device KYSPD-25T1-2P | Kuangya

Type 1 Surge Protective Device KYSPD-25T1-2P | Kuangya

  • Two-pole type 1 surge protective device for service entrance, tested to IEC/EN 61643-11.

  • Handles Iimp 25 kA (10/350 μs) per pole, In 25 kA, Imax 100 kA; Uo/Un 230/400 V AC; Uc 320/385/440 V.

  • Pluggable cartridge with visual status indicator, DIN-rail mounting, optional RC remote signaling.

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카테고리:
The Kuangya KYSPD-25T1-2P is a two-pole type 1 surge protective device designed for service entrance and main distribution boards. It protects low-voltage AC systems against direct lightning currents with an impulse discharge current rating of 25 kA per pole (10/350 μs). This device ensures robust first-stage protection and coordinates with downstream Type 2 and Type 3 surge protective devices for a complete layered defense.

주요 기능

  • Class I / Type 1 according to IEC/EN 61643-11; suitable for LPZ 0→1 boundary.
  • Two-pole design; Iimp 25 kA (10/350 μs) per pole; In 25 kA; Imax 100 kA.
  • Nominal system voltage Uo/Un: 230/400 V AC; Max. continuous operating voltage (Uc): 320 / 385 / 440 V AC.
  • Voltage protection level (Up): typically 1.6–2.0 kV depending on variant.
  • Response time < 25 ns; thermal disconnector with green/red indicator window.
  • Pluggable replaceable module; optional RC remote signaling contacts.
  • Housing: UL94 V-0 thermoplastic; IP20 built-in; DIN 35 mm rail mount (EN 60715).
  • Compatible with TN-S, TN-C, and TT earthing systems.
  • Reliable first stage type 1 surge protective device for coordinated SPD systems.

사양

매개변수Value
제품 코드KYSPD-25T1-2P
카테고리Type 1 / Class I SPD
Nominal System Voltage (Uo/Un)230 / 400 V AC
Max. Continuous Operating Voltage (Uc)320 / 385 / 440 V AC
공칭 방전 전류(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
전압 보호 수준(상향)~1.6–2.0 kV
응답 시간< 25ns
Follow Current Interrupt Rating100 A RMS
단락 전류 정격(ISCCR)50 kA
Backup Fuse (max)315 A gL/gG
작동 온도-40 °C … +70 °C
마운팅35 mm DIN rail (EN 60715)
EnclosureThermoplastic, UL94 V-0
Protection DegreeIP20 (built-in)
Remote SignalingOptional RC contacts
표준IEC 61643-11 / EN 61643-11

배선 및 치수

  • Connection diagram: kyspd-25t1-2p-connection
  • type 1 surge protective device wiring diagram
  • Dimensions: kyspd-25t1-2p-dimensions
  • type 1 surge protective device 2-pole dimensions

애플리케이션

  • Service entrance / main distribution boards (LPZ 0→1).
  • Industrial and commercial facilities exposed to lightning surges.
  • First-stage type 1 surge protective device in coordinated protection with downstream SPDs.

자주 묻는 질문

Where should KYSPD-25T1-2P be installed?

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

Does it support different earthing systems?

Yes, TN-S, TN-C, and TT systems are supported with correct wiring.

What backup fuse is required?

A maximum 315 A gL/gG fuse is recommended.

How do I replace the module?

The cartridge is pluggable. Isolate power, remove the old module, insert the new one, and restore power.

Is remote monitoring available?

Yes, optional RC terminals provide remote status signaling.

What is the ISCCR rating?

The device withstands up to 50 kA short-circuit current.

What happens if the module fails?

The thermal disconnector trips and the status indicator turns red.

What standards apply?

IEC/EN 61643-11 for low-voltage surge protective devices.

견적 받기 · Related products: AC MCB, 수동 전송 스위치

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