SF6 Fully Insulated And Fully Sealed Ring Main Unit

SF6 Fully Insulated And Fully Sealed Ring Main Unit

SF6, fully insulated
SF6 ring network switchgear can be a common box type/unit combination type. It is a fully enclosed and fully insulated switchgear. The internal gas box is designed to prevent arc faults. The high-performance gas box with a thickness of 3mm is not affected by the outside world and operates safely and reliably. It is widely used in indoor and outdoor switch stations, branch boxes, box-type substations, residential areas, various office buildings, commercial centers, buildings, factories and other 12/24KV distribution networks.

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Features
Technical Indicators
Overall Dimension

The perfect interlocking system, special explosion-proof valves and specially designed pressure relief plates can maximize personal safety and operational safety.
Cabinet Type
12kV
24kV
K
T
V
K
T
V
Arc extinguishing method
SF6
SF6
Vacuum
SF6
SF6
Vacuum
Rated voltage(kV)
12
12
12
24
24
24
Operating mechanism
Spring
Spring
Spring/Permanent Magnet
Spring
Spring
Spring
Rated frequency(Hz)
50
50
50
50
50
50
Rated current(A)
630/1250
125
630/1250
630/1250
125
630/1250
Rated short-time withstand current (kA)
20/25
20/25
20/25
20/25
20/25
20/25
Rated short circuit duration(5)
4
4
4
4
4
4

Cabinet Type	12kV			24kV
Cabinet Type	K	T	V	K	T	V
Arc extinguishing method	SF6	SF6	Vacuum	SF6	SF6	Vacuum
Rated voltage(kV)	12	12	12	24	24	24
Operating mechanism	Spring	Spring	Spring/Permanent Magnet	Spring	Spring	Spring
Rated frequency(Hz)	50	50	50	50	50	50
Rated current(A)	630/1250	125	630/1250	630/1250	125	630/1250
Rated short-time withstand current (kA)	20/25	20/25	20/25	20/25	20/25	20/25
Rated short circuit duration(5)	4	4	4	4	4	4