ZN63(VS1)-12
High Voltage Circuit Breakers
Manual Type
Normal Type Circuit Breaker
Vacuum
Fixed
Zn63(Vs1)-12
3
Circuit Breaker
Conventional Circuit Breaker
ISO9001-2000, IEC
JECSANY
Wooden Carton
ZN63(VS1)-12 Side-Mounted Circuit Breaker
China
8504220000
Product Description
ZN63(VS1)-12 Side-Mounted Circuit Breaker
ZN63(VS1)-12 indoor high voltage vacuum circuit breaker applies to power system of rated voltage 12kv as a protective and control unit for power grid equipment and industrial power equipment It can equip with KYN28(GZS1), XGN, GG-1A and other types of switchgear panels. Related products: isolated handcart, fuse handcart and voltage transformer handcart.
standards
ZN63(VS1) indoor high-voltage alternating-current vacuum circuit breaker is produced in line with the following standards and codes.
IEC 62271-100 High-voltage alternating-current circuit-breakers.
GB/T 11022-2011 Common specifications for high-voltage switchgear and controlgear standards.
GB 1984 High-voltage alternating-current circuit-breakers.
GB 311.1 lnsulation co-ordination for high voltage transmission and distribution equipment.
Applying ambient condition
Ambient temperature:-10ºC-+40ºC
Relative humidity:The average humidity of a day should be no more than 95%. The average humidity of a month should be no more than 90%.
Earthquake intensity: not exceed 8 degrees.
Saturated vapor pressure the average pressure of a day should be no more than 2.2kPa; the average pressure of a month should be no more Than1.8Kpa;
The height above sea level:≤1000 m (Except special requirements)
It should be installed in the places without fire, explosion, serious filth, and chemical erosion and violent vibration.
| Item | Unit | Data | ||||
| Rated voltage | kV | 12 | ||||
Rated insulation level | 1min power frequency voltage | kV | To earth/Phase to Phase 42/48 | |||
| Lightning impulse withstand voltage(peak ) | kA | To earth/Phase to Phase 75/85 | ||||
| Rated short-circuit breaking current | kA | 20 | 25 | |||
| Rated current | A | 630 | 630 | |||
| 1250 | 1250 | |||||
| Rated frequency | Hz | 50 | ||||
| Rated short-circuit withstand current | kA | 20 | ||||
| Rated peak withstand current | 50 | |||||
| Rated short-circuit closing current(peak) | 50 | |||||
| Duration of rated short circuit current | S | 4 | ||||
| Mechanical life | times | 1000 | ||||
| Frequency tolerance of the secondary circuit voltage(1min) | V | 2000 | ||||
| Rated operating squence | O-t-CO-t1-CO | |||||
Overall dimension:
