24KV SRE6 Gas Insulated Switchgear RMU
WECOME SRE6 Ring Main Unit encloses all live parts in the SF6 main cabinet completely and modularizes them. The whole switchgear is free from external environmental impact, which ensures safe and reliable operation of equipment and realizes all insulation, full enclosure, and free maintenance. All SRE6 ring main units are in accordance with the requirements of IEC 60298 and GB 12706 and pass the type tests specified by the Xi'an High Voltage Apparatus Research Institute. Their service lives exceed 20 years.
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Consulting Products Information
Description

Products Features

1Safe, reliable and stable

2All insulation, full enclosure, free maintenance

3Arbitrary assembling, unrestricted extensibility

4Intelligent integration


Working Conditions

Altitude: not exceeding 3000 m.

Ambient temperature: -40℃~40℃

Wind pressure: not exceeding 700 Pa

The place for installment shall be free from the explosive risk, fire disaster, chemical corrosion and fierce vibration.

In case of the different working conditions as above, please indicate special supplement.


The Optional Cabinet Modules and Types for SRE6

♦ C Load Switch Cabinet

♦ F Load Switch and Fuse Combination Apparatus Cabinet

♦ V Vacuum Circuit Breaker Cabinet

♦ D Cable Incoming Cabinet Without Switch Cabinet

♦ S Bus Contact Cabinet

♦ M Metering Cabinet

♦ PT cabinet Providing Power Source and Voltage Signal for Operations

♦ Extendable: The built-in extension insulator and busbar connector help the realization of multiple units in one box, which can be combined with several modules and extended limitlessly.

♦ Non-extendable: If the unit module has no need to be extended, it will not install sleeves.

♦ Other modules design as per customer’s individual requirements.


Technical Data


Item

Data

Module

C

F

V

Load switch

Combined electrical equipment

Vacuum circuit breaker

Isolating/earthing switch

Rated voltage

24kV

24kV

24kV

24kV

Power frequency withstand voltage

65kV

65kV

65kV

65kV

Lighting impulse withstand voltage

125kV

125kV

125kV

125kV

Rated current

630A/630A

Note 1.

630A/630A

630A/630A

Breaking capacity

Rated active load breaking current

630A

630A

Rated cable charging breaking current

10A

5% rated active load breaking current

31.5A/-

Earth fault breaking current

200A

Short-circuit breaking current

Note 2.

20kA

Closing capacity

50kA

Note 2.

50kA

50kA

Transfer current

1400A

Short-time withstand current(4s)

20kA

20kA

20kA

Peak withstand current

50kA

50kA

50kA

Mechanical life

5000 times

5000 times

10000 times

2000 times


Note: 1. Depend on the rated current of the fuse.

2. Subject to the fuse.

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