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JN22B-40.5 31.5 Grounding Switch
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JN22B-40.5 31.5 Grounding Switch
1. Overload protection
2. Short circuit protection
3. Controlling
4. Used in residential building, non-residential building, energy source industry and infrastructure.
5. According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln, type D(10-20)ln
2. Short circuit protection
3. Controlling
4. Used in residential building, non-residential building, energy source industry and infrastructure.
5. According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln, type D(10-20)ln
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Product Details
JN22B-40.5/31.5 Indoor Grounding Switch
JN22B-40.5/31.5 series indoor MV earthing switch is researched and developed by our company based on original JN15 type, supporting with electric power system 40.5KV, AC 50Hz, match KYN□ -40.5 and other various kinds of MV switchgear and as earthing protection.
Standard: IEC 129,IEC 62271-102
Selection
Operating conditions
1. Ambient temperature:-10~+40℃
2. Altitude: ≤1000m
3. Relative humidity: Day average relative humidity ≤95% Month average relative humidity ≤90%
4. Earthquake intensity: ≤8degree
5. Appliable in the place without corrosive, flammable gas and water place
6. With no frequently intense vibrant place around.
Overall and mounting dimensions(mm)
| B | 280 | 300 | 350 | 400 |
| H | 750 | 790 | 890 | 990 |
| B | 1180 | 1180 | 1280 | 1374 |
Hole location diagram
| B | 280 | 300 | 350 | 400 |
| H | 750 | 790 | 890 | 990 |
| B | 1180 | 1180 | 1280 | 1374 |
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