Earth switch

JN22B-40.5/31.5 indoor high voltage grounding switch

Product Description

Rated voltagekV35
Maximum voltagekV40.5
Rated short-time withstand currentkA31.5
Rated short-circuit durations4
Rated short-circuit making currentkA80
Rated peak withstand currentkA80
Phases center distancemm280,300,350,400
Rated insulation levelPF withstand voltage (1 min)kVPhase to earth   Phase to phase95
Lightning impulse withstand voltage185

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

Product feature

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)

JN22B-40 图纸4-1.jpgJN22B-40 图纸4-2.jpg
JN22B-40 图纸4-3.jpgJN22B-40 图纸4-4.jpg

Installation hole drawing

JN22B-40 图纸4-5.jpgMoaeEGLD