MSR Green-24 Environmental protection ring network cabinet

MSR Green-24 Environmental protection ring network cabinet

MSR Green-24 Environmental protection ring network cabinet

Product Introduction: 

MSR-Green series ring network cabinet is a kind of scalable ring network cabinet used in secondary distribution network, with side expansion and top expansion schemes. The ring network cabinet offers more than 10 standard combination forms, and its perfect unity of common box unit combination and single box flexible expansion can meet the application requirements of most 24 kV distribution networks.

The stainless steel chamber of the MSR-Green series ring cabinet is filled with dry air, which completely seals all live parts and switches and isolates them from the outside world. This fully sealed system protects the internal switches and all live parts from changes in the external environment, ensuring high reliability, personnel safety and virtually maintenance-free. Dry air GWP value ≤1, no greenhouse effect, more in line with the trend of low-carbon environmental protection.

MSR-Green series ring cabinet is suitable for the following use places:

Compact secondary substation

Small industrial and mining enterprises

Hotels, shopping malls, office buildings, commercial centers, etc

Product characteristics

The design and selection are flexible, and the plug-in bus connection makes all kinds of connection schemes especially convenient, and the later expansion is smooth

Plug-in design: left and right expansion, top expansion

Complete scheme: can meet the upper and lower isolation mode

Safety and environmental protection: dry air insulation

Insulation method: solid + environmental protection gas composite insulation

Arc extinguishing mode: vacuum + environmental gas

Product parameter 

Project

Unit

Load switch cabinetC

Modular electrical cabinetF

Vacuum breaker cabinet V

Rated voltage

kV

24

24

24

Power frequency withstand voltage(lmin)

Alternate and opposite

kV

50

50

50

Between fractures

kV

60

60

60

Lightning impulse withstand voltage

Between fractures

kV

125

125

125

Between fractures

kV

145

145

145

Rated frequency

Hz

50/60

50/60

50/60

Rated current

A

630

Not greater than 80A

630

Rated short-circuit breaking current

kA

/

Limited by the fuse

20

Rated short-time withstand current 3s

kA

20

/

20

Rated peak withstand current

kA

52

/

52

Rated short circuit closing current (peak)

kA

52

Limited by the fuse

52

Rated active load breaking current

A

630

/

/

Rated closed-loop breaking current

A

630

/

/

Mechanical life

times

5000

5000

10000

Electrical life

times



E2 Class

Overall dimension(C、F、V)

mm

450*800*1650

(Width * depth * Height)

Insulating gas

Dry air

Rated pressure

0.07MPa (20℃)

Annual leakage rate

≤0.05%

Internal arc test

IAC AFLR 20kA ,1s

Auxiliary loop voltage

24V-15%+20%

Loss of operational continuity category

LSC2

Frequently Asked Questions

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