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Modular DC(AC) Power Supply Surge Protective Device(Class II Test 20kA)

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Modular DC(AC) Power Supply Surge Protective Device(Class II Test 20kA)

Product Introduction
DK-DC Modular Power Supply Series SPD is designed according to IEC standards. It complys with the requirements of GB18802.1-2011 Low-voltage Surge Protective Devices——Part 1: Surge Protective Devices connected to low-voltage power distribution systems——Requirements and tests. It is designed as module, with features of good seal ability and 35mm din rail mounted. With working indication window, temperature control circuit breaker and built-in over current protective circuit, the modular SPD can automatically release to avoid fire danger when it breaks down. It consists of remote alarm connector for remote monitoring. The main module and the base are replaceable. It can be used for Lightning Protection of +(1)-PE,-(2)-PE(2P).

Technical Parameter

SPD Type

One-port SPD

Applicable Power Supply System

DC Power Supply System

Nominal Discharge Current (8/20µs)

10kA

Maximum Discharge Current (8/20µs)

20kA

Leakage Current

≤20uA

Respond Time tA

≤25ns

Indication Method

Indication Window,Turn Red When Malfunction

Remote Alarm Function

Optional

Maximum Connection Wire Range

BVR 25mm2

Method of Installation

35mm Din Rail Mounted

Material of Shell

PC

Flame Retardant Rating of Outer Shell

UL94-V0

Protection Level of Outer Shell

IP20

Working Temprature

–25~+70℃

Relative Humidity

≤95%RH

Dimension

36mm*91mm*66mm

Items Available

Item

Specification

Protection Mode

Rated Voltage U0(V)

Maximum Continuous Operating Voltage Uc

Voltage Protection Level Up

DK-DC20

24

+-PE,—-PE(2P)

DC 24

DC 28

≤300

48

+-PE,—-PE(2P)

DC 48

DC 56

≤500

110

+-PE,—-PE(2P)

DC110

DC 150

≤600

DK-AC20

24

1-PE,2-PE(2P)

AC 24

AC 30

≤500

Application Scope
It is suitable for equipments of small DC or AC power supply voltage behind LPZ2 protection zone of buildings.

Dimension

Modular DC(AC) Power Supply Surge Protective Device(Class II Test 20kA)

Wiring Diagram

Modular DC(AC) Power Supply Surge Protective Device(Class II Test 20kA)


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