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RZP5.110 Embedded Pole Technology: Advanced vacuum interrupter design, 3150A-4000A capacity, enhanced 7500N contact pressure, 40-50kA breaking, industrial-grade reliability.
| Drawing No. | Specification | Match The Insulated Pull Rod | Match The Contact Arm Sleeve |
| RZP5.110a | EP12/ 4000-40 | RAP4.076b. 08 | RAP4.110a. 11 |
| RZP5.110b | EP12/ 3150-40 | RAP4.076b. 08 | RAP4.110b. 11 |
| RZP5.110c | EP12/ 3150- 50 | RAP4.110h.05 | RAP4.110b. 11 |
| RZP5.110h | EP12/ 4000- 50 | RAP4.110h.05 | RAP4.110a. 11 |
| Main Technical Data | |||||
| Data | Value | Unit | |||
| Rated voltage | 12 | kV | |||
| Rated current | 3150 | 3150 | 4000 | 4000 | A |
| Rated frequency | 50 | Hz | |||
| Rated short-circuit breaking current | 40 | 50 | 40 | 50 | kA |
| Operations of short-circuit breaking current interruption | 30 | time | |||
| Rated short-circuit making current | 100 | 125 | 100 | 125 | kA |
| Rated peak withstand current | 100 | 125 | 100 | 125 | kA |
| Rated short-time withstand current（4s） | 40 | 50 | 40 | 50 | kA |
| Rated single capacitor bank breaking current | 630 ※ | A | |||
| Rated back-to-back capacitor breaking current | 400 ※ | A | |||
| Short-time(1min) power-frequency withstand voltage | 48 | kV | |||
| Lighting impulse withstand voltage(peak) | 75 | kV | |||
| Circuit resistance at rated contact force | ≤13 | ≤13 | ≤12 | ≤12 | μΩ |
| Mechanical life | 10,000 | time | |||
| Contact closing force due to bellows and atmosphere | 250±60 | N | |||
| Counterforve at rated contact stroke | 340±60 | N | |||
| Contact limit erosion | 3 | mm | |||
| Shelf life | 20 | year | |||
| partial discharge | ≤1 | pC | |||
| Rated operating sequence | 0-0.3s-co-180s-co | ||||
| Mechanical Data Of Circuit Equipped With Interrupters | |||||
| Data | Value | Unit | |||
| Rated contact stroke | 9±1 | 9±1 | 9±1 | 9±1 | mm |
| Contact connection stroke | 3±1 | 3±1 | 3±1 | 3±1 | mm |
| Average opening speed | 1.3±0.2 | 1.3±0.2 | 1.3±0.2 | 1.3±0.2 | m/s |
| Average closing speed | 0.6±0.2 | 0.6±0.2 | 0.6±0.2 | 0.6±0.2 | m/s |
| Rated operation pressure of contact | 5000±300 | 7500±300 | 5000±300 | 7500±300 | N |
| Bounce duration of contact closing | ≤2 | ≤2 | ≤2 | ≤2 | ms |
| Out of simultaneity of contact closing and opening | ≤1 | ≤1 | ≤1 | ≤1 | ms |
| Max. overtravel | ≤2 | ≤2 | ≤2 | ≤2 | mm |
“※”Rated characteristics to be given on requeset
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