12kV MSS Solid Dielectric Intelligent Compact Switchgear

MSS is a kind of intelligent compact metal-closed switchgear device developed by our company in cooperation with European switching technology experts and conforms to IEC and GB/DL standards. It is characterized by complete cabinet scheme, full insulation, full shielding, full sealing, low temperature rise and maintenance-freeness, and its modular design enables cost control by customers in operation and maintenance, repair, troubleshooting and scrap disposal.

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Product application

Classification

MV Solid Insulated Switchgear

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Product Description

Product features

The primary conductive part is fully solid insulated, not affected by the surrounding environment, and can withstand various harsh environments.

The insulation surface is shielded and grounded to prevent phase to phase short circuit fault.

The isolation fracture and grounding position can be seen to ensure safe operation and maintenance.

Using tubular copper bus, the electric field is evenly distributed, which effectively reduces the probability of tip discharge, and the local discharge of the whole cabinet is small.

The primary main circuit is really maintenance free.

No possibility of gas leakage.

Small volume and light weight, effectively saving construction area and civil engineering cost.

MSS Technical Specification

ltem		Unit	Data
Rated Voltage		kV	12
Rated Frequency		HZ	50/60
Rated Current		A	630/1250/1600/2000/2500/3150/4000*
Rated 1min Power-frequency withstand voltage (Phase/ Distance)		kV	42/48
Rated lighting impulse withstand voltage (Phase/ Distance)		kV	95/95
Rated Short-time Withstand Current Duration		KA	25/31.5/40
Peak Withstand Current		KA	63/80/100
Rated Short-time Withstand Current Duration		s	4
PD Level		pC	≤10
IP Class	Enclosure		IP4X
	Compartment		IP2X
	Main Circuit and all High-pressure Components		IP67

Note: When the rated current is 4000A, a fan shall be added for forced air cooling.

MSS Dimension

ltem		Unit	Data
Height		mm	2200
Depth		mm	1400
Width	Rated current of branch busbars is 1250A and below, and the thermal stable current is 31.5kA and below.	mm	500
	Rated current of branch busbars is 2500A and below, and the thermal stable current is 40kA and below.		700
	Rated current of branch busbars is 4000A and below, and the thermal stable current is 40kA and below.		1000
Weight		kg	≤1100

Note: Different panels sizes can be configured according to customer project requirements.

Application scenarios

MSS is applied to large-scale enterprises such as power grid,power plant, petroleum and petrochemical, metallurgy, coal chemical industry and so on.It can also be used in municipal, port, wharf and other places.

It can also be used for special applications in a variety of geographical environments: