JN22B-40.5/31.5 indoor high voltage grounding switch
|Rated short-time withstand current||kA||31.5|
|Rated short-circuit duration||s||4|
|Rated short-circuit making current||kA||80|
|Rated peak withstand current||kA||80|
|Phases center distance||mm||280,300,350,400|
|Rated insulation level||PF withstand voltage (1 min)||kV||Phase to earth Phase to phase||95|
|Lightning impulse withstand voltage||185|
JN22B-40.5/31.5 indoor AC high voltage earthing solation switch is an advanced level product with high-tech parameters performance improved on the basis of JN22-40.5/31.5.After comprehensive evaluation,it conforms to GB1985 AC HV disconnect switch and earthing switch and IEC62271-102:2002,applies to power system of 40.5kV and AC 50Hz.Can be used with KYN61-40.5 and other types high voltage switchgear,also play a protective role in the high-voltage electrical equipment overhaul
1. Product name: LYE105 JN22B-40.5/31.5 Indoor AC high voltage earthing switch, grounding switch
2. Standards: GB 1985-2004 AC HV disconnect switch and indoor earthing switch , IEC62271-102: 2002.
3. Application: KYN61-40.5 HV switchgear and various types HV switchgear
4. Main function: used for earthing protection
5. Altitude: ≤1000m
6. Ambient temperature: -10°C~+40°C
7. Earthquake intensity: ≤8 degree
8. Applicable occasion should free from inflammables, explosives, corrosives and severe vibration
1. Advanced design and steady performance.
2. Simple structures, installation and adjustment.
3. Fast breaking and making capability.
4. Handsome appearance and delicate manufacture craft.
5. Usable and scientific apparatus, be operated on both sides(right and left).
Installation dimension Unit (mm)
Installation hole drawing