Ningbo Tian'an Jinghua Power Technology Co., Ltd.
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| Place of Origin: | Ningbo,China |
| Brand Name: | Tianan Electric |
| Certification: | ISO9001，IEC |
| Model Number: | ZW20A-12 |
| Minimum Order Quantity: | 5sets |
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| Price: | Pending |
| Packaging Details: | Wooden Case |
| Delivery Time: | 45 days |
| Payment Terms: | T/T, L/C |
| Supply Ability: | 10000 sets per year |
| Rated Voltage: | 10kv 11kv 12kv | Rated Current: | 630A 1250A |
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| Mechanical Life: | 10000 Times | Service Condition: | Outdoor |
| Rated Frequency: | 50Hz | Pole Of Number: | 3 |
| Lightning Impulse: | 75 / 85kv (Peak) | Product Name: | 11kv 1250a Pole Mounted Main Switch Circuit Breaker Power Breaker Switch Zw20a |
| High Light: | 11kv main switch circuit breaker,1250A Pole mounted main switch circuit breaker,power breaker switch ZW20A |
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11kv 1250A Pole Mounted Main Switch Circuit Breaker Power Breaker Switch ZW20A Structure: basic configuration
11kv 1250A Pole Mounted Main Switch Circuit Breaker Power Breaker Switch ZW20A Optional equipment
11kv 1250A Pole Mounted Main Switch Circuit Breaker Power Breaker Switch ZW20A Environmental Conditions
1. Altitude: ≤1000m; if applied in special conditions, it is designed to 2000m to 4000m to meet the requirements of different altitudes.
2. Ambient temperature: -45℃~+40℃;
3. Wind speed≤35m/s;
4. It is placed in the places without violent vibration
11kv 1250A Pole Mounted Main Switch Circuit Breaker Power Breaker Switch ZW20A Technical Parameters
| No. | Item | Unit | Value |
| 1 | Rated voltage | kV | 12 |
| 2 | Rated frequency | Hz | 50 |
| 3 | Rated current | A | 630 |
| 4 | Rated short-circuit breaking current | kA | 20 |
| 5 | Rated peak withstand current (peak) | kA | 50 |
| 6 | Rated short-time withstand current/endurance | kA/s | 20/4 |
| 7 | Rated short-circuit making current (peak) | kA | 50 |
| 8 | Rated operating sequence | O-0.3s-CO-180s-CO | |
| 9 | Mechanical endurance | Time | 10000 |
| 10 | Rated short circuit breaking current breaking times | Time | 30 |
| 11 | Rated cable-charging breaking current | A | 25 |
| 12 | Power frequency withstand voltage(1min): Dry test (wet) phase-to-phase, to earth/fracture(wet test) | kV | 42(34)/48(36) |
| 13 | Lightning impulse withstand voltage(peak) phase-to-phase, to earth/fracture | kV | 75/85 |
| 14 | 1min power frequency withstand voltage of secondary circuit | kV | 2 |
Contact Person: admin
Tel: +8613858385873
