KYN28-12Type withdrawout metal clad and metal enclosed switchgear
KYN28A-12 armored removable AC metal-enclosed switchgear (hereinafter referred to asswitchgear) is a new product designed and developed...
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KYN28A-12 armored removable AC metal-enclosed switchgear (hereinafter referred to asswitchgear) is a new product designed and developed...
Consult NowProduct introduction
KYN28A—12 armored removable AC metal-enclosed switchgear (hereinafter referred to as switchgear) is a new product designed and developed by our company on the basis of absorbing advanced manufacturing technology at home and abroad, can replace a variety of old metal-enclosed switchgear, such as KYN1-12, JYN2-12 and other products, it has the following distinct advantages:
The outer shell of the product is completely assembled with bolts and has high mechanical strength, which effectively ensures the neatness and beauty of the product, the door is spray-coated and has strong impact and corrosion resistance. The product enclosure has an IP4X rating of protection (can be changed to iron plate according to customer needs).
The switch of this product can be equipped with VB4 vacuum circuit breaker produced by ABB Company, C3 series fixed load switch, and also can be equipped with a variety of domestic series vacuum circuit breakers (such as VS1, VH1, VK, ZN28) to replace foreign similar products. No matter which circuit breaker is selected, the bare conductor air insulation distance can be guaranteed to be greater than 125mm, and the composite insulation is greater than 60mm. Its circuit breakers have the unique advantages of long life, low maintenance and small size.
Normal use condition
Ambient air temperature: upper limit +40 °C, lower limit −10 °C;
Relative humidity: the daily average is not more than 95%, and the monthly average is not more than 90%;
Altitude: no more than 1000m;
Earthquake intensity: no more than 8 degrees;
No fire, explosion hazard, serious contamination, chemical corrosion and severe vibration.
When the conditions of use exceed the above range, the user and our company shall negotiate to determine the allowable range and technical measures.
| Project | Unit | Data |
|---|---|---|
| Rated voltage | KV | 3、6、7.2、12 |
| Rated frequency | Hz | 50 |
| Circuit breaker rated current | A | 630、1250、1600、2000、2500、3150 |
| Switch cabinet rated current | A | 630、1250、1600、2000、2500、3150 |
| Rated short-time withstand current (4S) | KA | 16、20、25、31.5、40、50 |
| Rated peak withstand current (peak) | KA | 40、50、63、80、100、125 |
| Rated short-circuit breaking current | KA | 16、20、25、31.5、40、50 |
| Rated short circuit closing current (peak) | KA | 40、50、63、80、100、125 |
| Rated insulation level — 1min power frequency withstand voltage | KV | 24、32、42 |
| Rated insulation level — Lightning impulse withstand voltage | KV | 40、60、75 |
| Protection level | — | The case is IP4X, the isolation room and the circuit breaker door is IP2X when it is opened |
| Symbol | Name | Symbol | Name |
|---|---|---|---|
| HK1 | Auxiliary switch (test position) | HK1 | Auxiliary switch (work position) |
| HQ | Closing electromagnet | HQ | Micro switch (cut motor) |
| TQ | Opening electromagnet | TQ | Micro switch (cut motor) |
| HK | Auxiliary switch (main contact) | HK | Micro switch (cut anti-jump contactor) |
| D | Energy storage switch | D | Micro switch (storage signal) |
| CZ | Terminals | CZ | Micro switch (manual local opening) |
| ZLC | Anti-jump contactor | ZLC | Micro switch (manual local opening) |

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