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深圳市天盾雷电技术有限公司

系统化防雷解决方案和技术支持 Tiandun · Focus on lightning protection for 13 years, systematic lightning protection solutions and technical support
天盾电源防雷器,品质出众,高效防雷,一站式安全防护

National Service Hotline

400-886-8016
  • 电源防雷器M40B系列
  • 电源防雷箱B40B4系列
Lightning arrester M40B series

Adopting standard modular design, simple installation and convenient maintenance;

Small leakage current and change rate, low residual voltage, large flow rate, fast response time;

Using temperature control protection circuit, built-in thermal protection, automatic disconnection device for short circuit fault

With working fault indication, remote signal alarm function

3 + 1 protection mode (LN, N-PE), especially suitable for areas with poor power grids, exquisite craftsmanship, capable of long-term work in high humidity and harsh environments

National Hotline

400-886-8016

- 天盾- Basic description

M40B series products are mainly used for Class C protection of power distribution systems, used to protect electrical and electronic equipment from lightning electromagnetic pulse induced voltage, operating transients and resonance (<100µs) overvoltage. They are widely used in communication equipment, electrical, and electrical appliances. , Power equipment, security monitoring, transportation, industrial control, aviation and other fields of power protection. This series of products has the characteristics of particularly fast response time, low residual pressure, timely tripping, etc., and the flame retardant level reaches V-0 level, which can prevent fires to the greatest extent and play a safety protection role.

电源防雷箱B40B4系列产品

- 天盾- Application scene- 天 盾-

电源防雷箱B40B4系列

01 For low-voltage (220 / 380VAC) industrial grid and civil grid;

02In the power system, it is mainly used for the three-phase power input or output terminal in the power supply screen of the automation room and the main control room of the substation;

03Suitable for power protection of power distribution rooms, power distribution cabinets, switch cabinets, AC and DC power distribution panels and other systems.

- 天盾- Technical parameter

Index model

M40B2

M40B1 + N

M40B3

M40B4

M40B3 + N

Nominal working voltage (Un)

380VAC / single phase 220V AC

Maximum continuous working voltage (Uc)

385V AC

Nominal discharge current (In)

20kA

Maximum flow capacity (Imax)

40kA

Protection level (Up)

1.7kV

Maximum backup fuse strength

63A

Response time (Ta)

M40B

25ns

NPE40

/

100ns

/

/

100ns

Dimensions

90 * 36 * 65mm

90 * 54 * 65mm

90 * 72 * 65mm

working environment

Temperature -40 ~ + 85 ℃, relative humidity ≤95% (25 ℃)

Protection level

IP20

- 天盾- Installation diagram- 天 盾-

M40B1+N接线示意图

M40B1 + N wiring diagram

M40B4(M40B3没有零线N-PE模块)接线示意图

M40B4 (M40B3 has no neutral N-PE module) wiring diagram

M40B3+N接线示意图

M40B3 + N wiring diagram

M40B2接线示意图

M40B2 wiring diagram

- 天盾- Product size map -Shield-

产品尺寸图

- 天盾- Contact us -Sky Shield-

  • 电话

    telephone / fax

    Hotline: 400-886-8016

    Phone: 18923899776 / 0755-86215101

    Fax: 0755-86131076


  • 邮箱

    QQ & Mailbox

    QQ: 375040138

    Email: techwin@mkm-inc.com

  • 地址

    company address

    Building D401, No. 3 Keji Road, Datian District, Longtian Street, Pingshan District, Shenzhen

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