Modular DC Power Supply Surge Protective Device (Class II Test 40kA 8/20μS)

by Guangxi Dikai Sci&Tech Co., Ltd

DK-DC20 modular DC power supply series surge protective device (SPD) is designed and manufactured according to IEC61643 standard. It is accordance with the criterion of surge protective devices connected to low-voltage power systems–requirements and test methods. It is designed as module and 35mm din rail mounting. With working indication window, temperature control circuit breaker and built-in over current protective circuit, it can automatically release to avoid fire danger when it breaks down. It consists of remote alarm connector for remote monitoring. It is suitable for communications, TV broadcasting, computer room, automatic control, mechanical and electric control, mechanical and electrical equipment, and related DC power equipment.

Description

  1. Product Introduction

DK-DC20 modular DC power supply series surge protective device (SPD) is designed and manufactured according to IEC61643 standard. It is accordance with the criterion of surge protective devices connected to low-voltage power systems–requirements and test methods. It is designed as module and 35mm din rail mounting. With working indication window, temperature control circuit breaker and built-in over current protective circuit, it can automatically release to avoid fire danger when it breaks down. It consists of remote alarm connector for remote monitoring. It is suitable for communications, TV broadcasting, computer room, automatic control, mechanical and electric control, mechanical and electrical equipment, and related DC power equipment.

  1. External View

  1. Technical Parameter
SPD Type One-port SPD
Applicable Power Supply System DC Power Supply System
Nominal Discharge Current In(8/20µs) 10kA / 20kA
Maximum Discharge Current Imax(8/20µs) 20kA / 40kA
Leakage Current ≤20uA
Respond Time tA ≤25ns
Indication Method Indication Window, Turn Red When Malfunction
Remote Alarm Function Optional
Maximum Connection Wire Range BVR 35mm2 Strand Wire
Method of Installation 35mm Din Rail Mounting
Material of Shell PC
Flame Retardant Rating of Outer Shell UL94-V0
Protection Level of Outer Shell IP20
Working Temperature –25~+70℃
Relative Humidity ≤95%RH
Dimension 91mm*70mm*18mm
Standard IEC61643
  1. Item No. Optional
Item No. Specification Protection Mode Rated Voltage U0 (V) Maximum Continuous Operating Voltage Uc Voltage Protection Level Up
DK-DC20 24 +-PE,—-PE DC 24V DC56V ≤600V
48 +-PE,—-PE DC 48V DC65V ≤650V
110 +-PE,—-PE DC110V DC170V ≤700V
220 +-PE,—-PE DC220V DC320V ≤1300V
  1. Wiring Diagram

  1. Application Scope

It is suitable for equipment of small DC power supply voltage behind LPZ2 protection zone of buildings.

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Guangxi Dikai Sci&Tech Co., Ltd

Established in June, 1989, Guangxi Dikai Sci&Tech Co., Ltd. arouses its all efforts and strives for progress for near 30 years to be the most well-known professional lightning protection company.
Guangxi Dikai Sci&Tech Co., Ltd concentrates on new technology, research and development on new products, production and service. With class-A qualification of detection of lightning protection device, Guangxi Dikai Sci&Tech Co., Ltd has provided more than 10 millions cases of lightning protection project design, product installation, inspection and maintenance, technical consulting service. Products are well sold all over the world.
Dikai Company covers five product series: direct lightning protection products, power line surge protection products, signal line surge protection products, combined series surge protection products, and grounding resistance reduction products, with more than 100 varieties of products.
Dikai Company is located in national level high-tech zone with an area of 40000 square meters. It has R&D center, several production lines of SPD, National Accredited Laboratory(CNAS)/Testing Center of lightning protection products, and lightning proving ground. It is the autonomous region level enterprise technology center, owning nearly hundred patents. Products are CE certified. Dikai Company has passed through the three System Certifications of ISO9001 International Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System(OHSAS).
Dikai Company always adheres to business service concept of “Customer First and Sincerity Forever”, based on China, go toward world, endeavoring to reduce the damage from lightning.