| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Normal Type Circuit Breaker |
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12kv 1250A Outdoor Circuit breaker High Voltage
ZW8-12(G) type outdoor high voltage vacuum circuit breaker is appropriate to 12kv,50Hz three phasecurrent system, applicable to break loading current ,over load current , short-circuit current in rural network.urban network and small power system. The product overall structure for the three-phase together box type, thethree-phase vacuum interrupters placed in a metal cabinet, using SMC insulation materials to phase insulation and ground insulation ,performance reliable high dielectric strength.
ZW8-12G is a combination of ZW8-12 circuit breaker and isolating knife, called a combination of thebreaker, can be used as the section switch. Circuit breaker of operation mechanism for CT23 spring energystorage type operation mechanism, divided into electric and manual. This product take automatic reclosingfunction, can cooperate with diferent tvpes of inteliaent controller as the auto-recloser, sectionalizer, inteliaentdividing circuit breaker, realize the distribution network automation.
| No | Item | Unit | Value | ||||||||
| 1 | Rated Voltage | KV | 12 | ||||||||
| 2 | Rated frequency | HZ | 50 | ||||||||
| 2 | Rated insulation level | Rated lighting implus withstand voltage(peak) | KV | Phase,over the ground 75,fracture 80 | |||||||
| 1 min Short-time power frequency withstand voltage(1 min) | KV | phase,over the ground 42,fracture 48 | |||||||||
| 3 | Rated short circuit breaking current | KV | 12.5 | 16 | 20 | ||||||
| 4 | Rated current | A | 630,1000,1250 | ||||||||
| 5 | Rated short-circuit making current | KA | 31.5 | 40 | 50 | ||||||
| 6 | Rated withstand current(short time) | KA | 12.5 | 16 | 20 | ||||||
| 7 | Rated withstand current(peak) | KA | 31.5 | 40 | 50 | ||||||
| 8 | Rated operation of short-circuit breaking current interruption | times | 30 | ||||||||
| 10 | Rated opreating sequence | O-0.3s-CO-180s-CO CO-150min-CO(63KA) |
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| 11 | Mechanical life | times | 20000 | ||||||||
| 12 | Dynamic and staticcontact allowed to wear thickness | mm | 3 | ||||||||
| 13 | Rated operating voltage (CT23 spring operating mechanism) | V | DC or AC220 | ||||||||
| 14 | Rated operational current of over-current trip coil | A | 5 | ||||||||
| 15 | Primary and secondary current ratio of Currenttransformer (regular ) | 200/5, 400/5, 630/5 100/5, 1250/5 | |||||||||
| 16 |
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V W |
DC or AC220 ≤70 |
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| 17 | Weight | KG | 150 | ||||||||
Xiaogan Hanguang Senyuan Electric Co., Ltd, The former state-owned ndustrial enterprise which wasrestructured as a joint-stock enterprise, ls located in high technical development zone in Xiaogan cit, Hubei provinceSince the company had successfully developed ZN28A-12, ZN23 -40.5 series of a vacuum circuit breaker in1995, The company continuously engaged in development and produce 40. 5kv and lower voltage vacuum circuitbreaker, Vacuum contacto, Vacuum load break switch all along. Our 12-40.5kv vacuum circuit breakers arepublished in Recommend devices and manufactures for national urban and rural power grid construction and reformissued by State Economic and Trade Commission.
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