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Home > Electrical & Electronics > Power Supply & Distribution > Power Distribution Cabinet & Box > SM6 Ring Main Unit

SM6 Ring Main Unit

US$ 1,000 - 10,000 MOQ: 1 Set

Key Specifications

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Place of Origin:

China

Model Number:

SM6

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Liaoning Mec Group Co., Ltd.

Payment & Shipping

Payment Methods:

Port of Shipment:

China port

Delivery Detail:

Delivery time depends on order quantity.

Product Details
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Place of Origin China

Model Number SM6

SM6 air-insulated switchgear

Introduction

SM6 is an air-insulated ring main unit which is compliance with the standard of GB/IEC. SM6 units are widely used for the MV secodary distribution in MV/LV transformer substations in public distribution systems and MV consumer of distribution substations up to 24kV.

Features

1. Compact design, easy installation, less maintenance, high reliability
2. Flexible extensibility, high safety, rich of operational experience
3. Three position switch for natural interlocking, fail-safe interlock facility

Specifications

Name	Units	Data
Rated voltage	kV	12	24
Rated current	A	630
Rated frequency	Hz	50
Rated short circuit breaking current	kA	20/25	20
Rated short circuit closing current	kA	50/63	50
1 minute power frequency withstand voltage	kV	42	65
Impulse withstand voltage	kV	75	125
Rated breaking current of no-load transformer	A	16
Rated breaking current of no-load cable	A	25
Thermal stability current	kA/s	20/4 or 25/1	20/4
Transfer current	A	1750	1400
Internal arc	kA/s	16/1 or 20/1