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Standardized Integrated Primary and Secondary Ring Main Units (Gas/Solid Insulation)

Keywords: High- and low-voltage complete sets – packaged substations – ring main units

Category:

Ring Main Unit

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Product Description

　　 Product Definition

　　The integrated primary–secondary ring-main unit consists of a ring-main cabinet (including incoming and outgoing line units and a voltage transformer cabinet), a substation/feeder terminal, an external enclosure, connecting cables, and other components. The primary ring-main cabinet is available as either a gas-insulated or solid-insulated type, and the substation/feeder terminal bay can be flexibly configured according to customer requirements.

　　Primary and Secondary Integration Main Equipment

 

 

　　 Product Technical Specifications

 

Project

Unit

Parameters

Rated voltage

kilovolt

12

Rated current

A

630

Power-frequency withstand voltage (phase-to-ground)

V/min

42k

Lightning Impulse Voltage

kilovolt

75

Rated breaking current

A

630

Rated short-circuit making current (peak)

kA

50

Rated short-time withstand current

kA/S

April 25

Rated Peak Withstand Current

kA

50

Rated breaking capacitive current

A

45

Rated breaking inductive current

A

16

Number of full-load breaking operations

next

>100

Number of mechanical operations for closing and opening

next

2000

 

　　 Product Features

　　This switchgear boasts modularity, scalability, full insulation, complete sealing, high safety and reliability, maintenance-free operation, wireless temperature measurement, and online monitoring capabilities, making it suitable for even the harshest environments. It is widely deployed in industrial parks, residential areas, streets, airports, various types of buildings, and bustling commercial centers.

 

设计原理 动态屈光+单点多焦
镜片材质 PC太空镜片
瞳距标尺 54mm-68mm
镜片屈光度 +2.00D~-5.00D
眼镜尺寸 160*13.3*7.3mm
眼镜重量 45g
镜盒重量 239g
镜盒电池规格 2600ma
眼镜电池规格 180ma
传动系统寿命 50万次