KYN28 Metal Clad Power Distribution Switchgear 7.2kV 12kV 17.5kV
1. kyn28 12 type gas insulated switchgear
KYN28A with three-phase AC 50Hz single bus or single bus sectional system. It is mainly used for substation and distribution system of power plants, substation, industrial and mining enterprises, building hotels, municipal construction and petrochemical sector as power receiving, power distribution andthe circuit controlling, protection and monitoring.
2. Technical specification of cubicle type gas insulated switchgear
Serial No. | Item | Unit | Technical parameters | ||||
1 | Rated voltage | KV | 24 | ||||
2 | Rated frequency | HZ | 50/60 | ||||
3 | Rated insulation level | 1 min withstand voltage (effective value) | KV | Phase to phase & phase to earth | 60 | Isolation fracture | 79 |
Lighting impulse withstand voltage (peak value) | 125 | 145 | |||||
Auxiliary control circuit power frequency withstand voltage | V | 2000 | |||||
4 | Rated current | A | 630,1250,1600,2000,2500,3150 | ||||
5 | Specified short-circuit dropout current | KA | 20, 25, 31.5 | ||||
6 | Rated short-circuit making current (peak value) | KA | 50, 63, 80 | ||||
7 | Rated short time withstand current (4S) | KA | 20, 25, 31.5 | ||||
8 | Rated peak withstand current | KA | 50, 63, 80 | ||||
9 | Auxiliary control circuit rated voltage | V | AC or DC 110/220 | ||||
10 | Protection level | V | IP4X (the circuit breaker chamber door is open or isolation chamber is IP2X) | ||||
11 | Outline dimension | mm | 1000*1910*24001 | ||||
12 | Weight | Kg | 840-1500 |
3. Photo and drawing
5. Certificate
6. Delivery