MNS low-voltage drawout switchgear
Negotiable
China
Sanyu Village, Wengyang Subdistrict, Yueqing City, Wenzhou City, Zhejiang Province
+86 15286827607
Online Contact
Favorite
Product Introduction

The product is composed of standardized, series-modular components, with drawers featuring reliable mechanical interlocking devices, ensuring safer and more reliable use for the user.

This switchgear is suitable for three-phase, five-wire power supply systems with an AC frequency of 50(60)Hz, rated working voltages of 400V and 660V, and rated currents up to 5000A. It can be used in power plants, substations, industrial and mining enterprises, large buildings, hotels, airports, docks, as well as broadcasting and communication centers for control of power generation, transmission and distribution, energy conversion, and energy consumption equipment, and performs reactive power compensation on the main busbar through capacitor compensation cabinets.

Product Parameters

Serial Number

Name

GB7251.1-2005 Low Voltage Switchgear and Controlgear Assemblies (TTA)

IEC 60439 “Low Voltage Switchgear and Controlgeat Assemblies”

1

Overvoltage category

IV III

2

Pollution level

3

3

Rated operating voltage (Ue)(V)

400/660

4

Rated insulation voltage (Ui)(V)

660/1000

5

Rated frequency (Hz)

50(60)

6

Horizontal busbar

Rated current

≤ 5000A

7

Rated short-time withstand current (Icw)(kA)

50, 65, 80(1s effective value)

8

Rated peak withstand current (Ipk)(kA)

105, 140, 176(0.1s max)

9

Vertical busbar

Rated maximum operating current

≤ 1000A

10

Rated short-time withstand current

50kA

11

Rated peak withstand current

105kA

12

Enclosure protection class

IP30 IP40 (special instructions)