Product Details
- Product Details
- Machine Unit
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- Commodity name: Lateral Bus-bar Connector System, 10kV Side Expansion Bus Connector & Side Expansion Plug (630A / 1250A)
Model: 15kV 24kV Rated current: up to 1250A Material: Silicone Rubber Application: Electrical equipment in parallel(Premold type) Applicable equipment: various RMU equipment with inner cone epoxy casing Execution Standards: IEC60502.4, GB/T12706.4
Product Introduction
Horizontal expansion busbar system is widely used in the combined connection of Ring Main Unit (RMU) and Gas Insulated Switchgear (GIS). The whole system consists of side expansion busbar connectors and side expansion stoppers (end plugs), providing multiple branch expansion interfaces for switchgear equipment.
Product Features
Adopt environmentally safe silicone rubber as main raw material, outstanding insulation, corona resistance and tracking resistance performance.
Three-layer post-injection peroxide cross-linking manufacturing process, effectively control partial discharge value.
Built-in stress control layer, uniform electric field distribution inside the connector.
Conductive part adopts T2 pure copper tube/rod, compatible with copper and aluminum cable busbar.
Integrated shielding design, shielding resistance ≤5000Ω, fully meet IEC60502.4 standard.
Modular pre-molded structure, quick assembly, no complex tool required for installation.
Multiple standard size options: Φ12, Φ18, Φ20, Φ32, including national grid standardized version and lengthened version.
Complete series matching: 630A general type, 1250A heavy current type for large capacity switchgear.
Electrical Performance Data Sheet
Side Expansion Stopper (CD Series)
Test Item
Test Standard Parameter
System Voltage
15kV
Rated Current
630A / 1250A
AC Withstand Voltage
45kV/min
Partial Discharge
≤10pC under 15kV
Lightning Impulse Withstand Voltage
96kV
Shielding Resistance
≤3000Ω
Temperature Rise Test
No overheating risk
Side Expansion Busbar Connector (CM Series)
Test Item
Test Standard Parameter
System Voltage
15kV
Rated Current
630A / 1250A
AC Withstand Voltage
50kV/min
Partial Discharge
≤10pC under 15kV
Lightning Impulse Withstand Voltage
96kV
Temperature Rise Test
≤75K
Shielding Resistance
≤3000Ω
Product Model Selection Table
Side Expansion Stopper (SPT-CD Series)
Model Code
Specification Description
Caliber
Rated Current
SPT-CD-10/630-P
Standard national grid stopper
Φ20
630A
SPT-CD-10/630-P
National grid standard stopper
Φ18
630A
SPT-CD-10/1250-P
High current stopper
Φ32
1250A
Side Expansion Busbar Connector (SPT-CM Series)
Model Code
Specification Description
Matching Conductor Diameter
Rated Current
SPT-CM-10/630-P
General connector 2#
Φ12 & Φ18
630A
SPT-CM-10/630-P
National grid standard 3#
Φ20
630A
SPT-CM-10/630-P
Lengthened national grid 4#
Φ20
630A
SPT-CM-10/1250-P
Heavy current connector 5#
Φ32
1250A
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Product Consultation
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Lateral Bus-bar Connector System, 10kV Side Expansion Bus Connector & Side Expansion Plug (630A / 1250A)
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Address: No. 4,Yuxin Rd.Yulv Community, Yutang Subdistrict, Guangming Distric, Shenzhen, Guangdong, China.