High precision mechanical structure High conductivity copper
Description
ZN85-40.5/T (3AV3) series handcart type indoor vacuum circuit breaker for three- phase AC 50Hz, 40.5kV power system, for industrial and mining enterprises, power plants and substations as the division and load current, overload current fault current purposes, and occasions for frequent operation.
The circuit breaker arrangement with upper and lower structure, effectively reduce the depth of circuit breakers. And the use of composite structure , three-phase interrupter and associated charged body by the three independent separation of epoxy resin insulation casing, using a composite structure, the circuit breaker to meet the air under normal operating conditions from the required distance and climb and effectively reduce the size of circuit breakers, electrical circuit interrupter, a leading and dynamic and static conductive connection installed in the insulating tube, so that the distance only 300mm. All main circuit electrical connection fixed to connect with high reliability.
ZN85-40.5/T 33kv circuit breaker electrical power circuit breaker
Technical data
| NO | Item | Units | Technical parameters | ||||
| 1 | Rated voltage | kV | 40.5 | ||||
| 2 | Rated current | A | 1250 | 1600 | 2000,2500 | ||
| 3 | Rated short-circuit breaking current | kA | 25 | 31.5 | 25 | 31.5 | |
| 4 | Dynamic current(peak) | kA | 63 | 80 | 63 | 80 | |
| 5 | 4S Thernal current | kA | 25 | 31.5 | 25 | 31.5 | |
| 6 | Rated short-circuit closing current (peak) | kA | 63 | 80 | 63 | 80 | |
| 7 | Rated short-circuit breaking cuerrent breaking number | Times | 20 | ||||
| 8 | Rated operating sequence | O-0.3s-CO-180s-CO | |||||
| 9 | Rated insulation level | 1 min Frequency voltage | kV | 95 | |||
| Lighthning Impulse voltage tolerance(peak) | 185 | ||||||
| 10 | Mechanical life | Times | 10000 | ||||
| 11 | Rated single capacitor device ON-OFF current | A | 630 | ||||
| 12 | Rated single back-to-back capacitor device current | A | 400 | ||||
| 13 | Rated voltage electrical energy storage | V | AC,DC: 110; 120 | ||||
| 14 | Energy storage power Rating | W | ≤230 | ||||
| 15 | Electrical Energy Storage Energy storage time | S | ≤15 | ||||
| 16 | Hop Tripping coil rated voltage | V | AC,DC: 110; 120 | ||||
| 17 | Hop Tripping coil rated current | A | 1.05(110V), 0.96(220V) | ||||
| 18 | Contactor opening distance | mm | 20±2 | ||||
| 19 | Contactor Contact trip | mm | 7.5±1.5 | ||||
| 20 | At the different period of three consistency | ms | ≤2 | ||||
| 21 | Contact closing bounce time | ms | ≤3 | ||||
| 22 | Leading electrical circuit resistance(excluding contactor arm) | μΩ | ≤40 | ||||
Overall Dimension
ZN85-40.5/T (3AV3) series electrical breaker switchgear electrical power circuit breaker
ZN85-40.5/T 33kv circuit breaker electrical power circuit breaker
