12kV SIRING Solid Dielectric Integrated VCB

SIRING® series solid insulation switch modules, together with reliable, universal and modular breaker spring operating mechanism and three-station operating mechanism, constitute SIRING® series solid insulation switch units. The operating mechanism, which has passed the type test, is a mature and reliable product with many years of operation experience, and all its technical parameters meet the code requirements and the standards of electric power industry and power grids.

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Product application

Classification

MV Solid Insulated Circuit Breaker

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Product Description

SIRING^® series solid insulation switch modules, together with reliable, universal and modular breaker spring operating mechanism and three-station operating mechanism, constitute SIRING® series solid insulation switch units. The operating mechanism, which has passed the type test, is a mature and reliable product with many years of operation experience, and all its technical parameters meet the code requirements and the standards of electric power industry and power grids.

Reliable circuit breaker + three-station operating mechanism: the circuit breaker mechanism has passed 10000 times test and the three- station mechanism has passed 5000 times life test.

The solid insulation module and the mechanism are factory-pre-assembled, and hoisted into the cabinet as a whole, facilitating assembly and maintenance.

The circuit breaker mechanism can be manually + electrically operated, and the three-station mechanism can be manually + electrically operated, facilitating the automation of power grid.

SIRING® 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
Short-circuit Current Breaking Capacity	kA	25/31.5/40
Rated Making Capacity	kA	63/80/100
Rated Short-time Withstand Current	kA	25/31.5/40
Peak Withstand Current	kA	63/80/100
Rated Short-time Withstand Current Duration	s	4
Electrical Endurance of Circuit Breaker	times	Class E2:≥30
Mechanical Endurance of Circuit Breaker	times	Class M2:≥10000
Mechanical Endurance of Load Switch	times	≥5000
Mechanical Endurance of Ground Switch	times	≥5000
Rated Voltage of Control Loop	V	AC110/220 DC110/220