Unscreened top bus 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.
Unscreened top bus 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 Unscreened top bus connector system:
NKS-24/630(1250)-UMX | Items | Parameter |
| Technical Parameters | System Voltage | 24kV |
Rated current | 630A、1250A |
Frequency withstand voltage(AC) | 65kV/5min |
Partial Discharge | 20kV＜10pC |
Impulse voltage | 125kV |
| Temperature rise test | ＜65K |
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 Unscreened top bus connector system:
| Product name | Describe | Kit Code | Product Code |
15kV(24kV) T-Type Connector | 15kV 630A Unscreened type | NKS-15/630-DCS | 62203SPB-SZ |
| 15kV 1250A Unscreened type | NKS-15/1250-DCS | 62204SPB-SZ |
| 24kV 630A Unscreened type | NKS-24/630-DCS | 62205SPB-SZ |
| 24kV 630A Unscreened type | NKS-24/1250-DCS | 62206SPB-SZ |
15kV (24kV) busbar tube | 15kV 630A Unscreened type | NKS-15/630-MXS | 62403SPB-SZ |
| 15kV 1250A Unscreened type | NKS-15/1250-MXS | 62404SPB-SZ |
| 24kV 630A Unscreened type | NKS-24/630-MXS | 62405SPB-SZ |
| 24kV 630A Unscreened type | NKS-24/1250-MXS | 62406SPB-SZ |
