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Screened Top Busbar Connector System ,15kV Crossing Connector,Lug Type

Model: 15kV 
Rated current: up to 1250A
Material: Silicone Rubber
Application: Parallel electrical equipment (lug type)
Bushing model: EN50180 & 50181 interface C
Execution Standards: IEC60502.4, GB/T12706.4
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  • NKS-15/630(1250)-SC-C


Screened top busbar connector system product introduction:

Top expansion bus connectors are widely used in the combined connection of ring main units (RMU) and gas insulated switchgear (GIS). They are mainly composed of T-type connectors, cross connectors, and bus-bar tubes to provide more branches for equipment expansion. the distance and number of connection centers can be flexibly adjusted.

Product execution standards: IEC60502.4, GB/T12706.4

The product matches the C-type bushing in EN50180&50181.

Screened top busbar connector system product features:

Molded from safe and environmentally friendly silicone rubber

Has excellent insulation properties, corona resistance and tracking resistance

Reasonable structural design, three-layer post-injection peroxide cross-linking process to reduce partial discharge

Built-in stress control, uniform electric field distribution

The conductive copper price of the top  busbar connector is T2 copper tube or copper rod, and the busbar tubes is locked with a busbar clamp.

Suitable for copper and aluminum cables

Quick assembly and simple installation

Electrical performance parameters of screened top busbar connector system:




Technical Parameters System Voltage


Rated current


Frequency withstand voltage(AC)


Partial Discharge


Impulse voltage


Temperature rise test <65K
Shielding resistance


The product has passed the inspection and certification of the China Electric Power Research Institute (CEPRI) Power Industry Electrical Equipment Quality Inspection and Testing Center

Type test reference standard: IEC 60502-4:2010 GB/T 12706.4-2008

Selection table for Screened top busbar connector system:

Product name


Kit Code

Product Code

15kV Crossing Connector

15kV 630A Shielded type,Lug type NKS-15/630-SCC 62321SPB-SZ
15kV 1250A Shielded type,Lug type NKS-15/1250-SCC 62322SPB-SZ

15kV busbar tube

15kV 630A Shielded type,Lug type NKS-15/630-MXC 62421SPB-SZ
15kV 1250A Shielded type,Lug type NKS-15/1250-MXC 62422SPB-SZ

The company adheres to the concept of environmental friendliness and smart connection, and is willing to work with you to create green and sustainable development, leading smart technology power industry.

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