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Modular Power Supply Surge Protective Device (Class II Test 40kA)

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Modular Power Supply Surge Protective Device (Class II Test 40kA)

Product Introduction
DK-40 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 L-PE,N-PE(4P) or L-N-PE(3+1).

Technical Parameter

SPD Type

One-port SPD

Applicable Power Supply System

TT,TN

Maximum Continuous Operating Voltage Uc

AC 385V/275V

Nominal Discharge Current (8/20µs)

20kA

Maximum Discharge Current (8/20µs)

40kA

Voltage Protection Level Up

≤1.8kV

≤1.1kV(8/20µs,5kA)

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

Items Available

Item

Specification

Protection Mode

Installation Location

Dimension(mm)

Item No.

DK-40

4P

L-PE,N-PE(4P)

Low-voltage Three Phase Power Distribution Cabinet

72*91*66

DK-380AC40 I

3+1

L-N-PE(3+1)

72*91*66

DK-380AC40 II

2P

L-PE,N-PE(2P)

Low-voltage Single Phase Power Distribution Cabinet

36*91*66

DK-220AC40 I

Application Scope
It is suitable for the low voltage power distribution cabinet/box of buildings, and the equipments connected between three (single) phase AC power supply and system in parallel.
Dimension

Modular Power Supply Surge Protective Device (Class II Test 40kA)

Wiring Diagram

Modular Power Supply Surge Protective Device (Class II Test 40kA)


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