- Product name:load break switch
- Model:FZN21
- Rated voltage:12kv
- Rated current:630A
- Rated frequency:50/60 Hz
- Mechanical Life:10000 Times
- Material:Copper
- Certificate:ISO9001
- Customized:Accept special order
- Type:High Voltage
- Poles Number:3
- Place of Origin:CN;ZHE
- Brand Name:YUFENG/OEM
- Model Number:FZN21
Operating environmental conditions:
1.Altitude: ≤1000m
2.ambient air temperature: not higher than +40°C,not lower than-25°C
3.Relative humidity: daily mean is not more than 95%, monthly mean is not more than 90%
4.Earthquake intensity: not more than 8°
5.no fire, explosion hazard, chemical etching and intense vibration
6.Pollution grade: II
7. Ambient air shouldn't be polluted by corrosive or flammable gas and vapor.
| Items | Unit | Data |
| Rated voltage | KV | 12 |
| Rated frequency | Hz | 50 |
| Rated Current | A | 630 |
| Rated active load breaking current | A | 630 |
| Rated breaking current loop | A | 630 |
| 5% rated active load breaking current | A | 31.5 |
| Rated cable charging breaking current | A | 10 |
| Rated no-load transformer capacity | KVA | 1250KVA |
| 1 min power frequency withstand voltage: (vacuum fracture, white, relatively / isolation fracture) | KV | 42/48 |
| Lightning impulse withstand voltage: (vacuum fracture, white, relatively / isolation fracture) | KV | 75/85 |
| Rated short time withstand current (heat stable) | KA/S | 20/4 |
| Rated short time withstand current (heat stable) | KA | 50 |
| Rated short-circuit current | KA | 50 |
| Rated current breaking times | 10000 | |
| Mechanical life | 10000 | |
| Vacuum interrupter contacts to allow the thickness of wear | m | 2 |
| Manual torque | Nm | ≤200 |
| Switchgear Technical Data | ||
| Items | Unit | Data |
| Rated voltage | KV | 12 |
| Rated frequency | Hz | 50 |
Fuse rated current | A | 125 |
| Rated breaking current exchange | A | 3150 |
| Fuse triggered switch opening time | ms | 40 ±5 |
| Rated short circuit breaking current (rms) | kA | 31.5 |
| Rated short-circuit current (peak) | kA | 50 |
| 1 min power frequency withstand voltage: (vacuum fracture, white, relatively / isolation fracture) | kV | 42/48 |
| Lightning impulse withstand voltage: (vacuum fracture, white, relatively / isolation fracture) | kV | 75/85 |
| Impact energy output fuse | j | 2-5 |
| Mechanical properties of technical parameters | ||
| Items | Unit | Data |
| Contact opening distance | mm | 10±1 |
| Overtravel | mm | 4±0.5 |
| Average closing speed | m/s | 0.6±0.2 |
| Average opening speed (before the opening pitch 6mm) | m/s | 1.1 ±0.2 |
| Three-phase contact points in different period closing | ms | ≤2 |
| Contact closing bounce time | ms | ≤2 |
| Charged body distance between the air and on ground | mm | ≥125 |
| Upper and lower bracket between the main circuit resistance | μ Ω | ≤70 |
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory with more than 20 years experience in this field.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days
if the goods are not in stock, it is according to quantity.
Q:Do your company have a website ?
A:Please check :www.cnyufeng.cn
Q: What is your terms of payment ?
A: Payment=500USD, 30% T/T in advance ,balance before shippment.
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