F10-8 III LD 8-Pole Rotary Auxiliary Contact Switch for Switchgear
Product Description
- Core Application Scenarios: Designed as a dedicated F10-8 III/LD auxiliary switch for 12kV–40.5kV high-voltage switchgear and circuit breakers, widely used in power distribution substations, industrial power plants, and electrical equipment manufacturing projects.
- Key Rotary Operation Function: Acts as a rotary auxiliary contact switch to provide precise 8-pole signal switching and position feedback, ensuring reliable monitoring of circuit breaker test/working positions during maintenance and power system switching.
- Compact & Durable Design: Robust cast metal housing and rotary mechanism ensure long mechanical life, suitable for repeated operation in harsh industrial and substation environments.
- Multi-Pole Signal Control: 8-pole structure meets complex secondary control signal requirements, ideal for large-scale power grid automation and industrial power distribution systems.
- Easy Installation & Compatibility: Standard mounting interface seamlessly integrates with most switchgear and circuit breaker designs, making it a preferred switchgear auxiliary switch for electrical integrators and utility companies.
- Safety & Compliance: Conforms to IEC 60947-5-1 standards, with stable electrical performance to prevent signal errors in critical power transmission scenarios.
Working conditions
- The altitude does not exceed 3000 meters;
- Ambient temperature:-40℃ ~ +40℃;
- Relative humidity: the daily average value is not greater than 95%, the monthly average value is not greater than 90%, the vibration acceleration is not greater than 15 m/s²;
- The surrounding medium has no explosion hazard, no conductive dust, no damaged insulation and no gas place that corrodes metal.
Parâmetros técnicos
| Term | DC 110V | DC 220V | AC 220V/380V |
| Rated voltage (V) | 110 | 220 | 220, 380 |
| Rated current (A) | 6 | 5 | 10 |
| Rated maximum breaking current (A) | 6 | 5 | 10 |
| Time constant t=20ms | 220V, cosΦ=0.4 | ||
| Life times | 20000 | 20000 | 20000 |
F10 series auxiliary switch contact numbers
| Number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Contact number (normally open) | 1–3 | 5–7 | 9–11 | 13–15 | 17–19 | 21–23 | 25–27 | 29–31 | 33–35 | 37–39 |
| Contact number (normally closed) | 2–4 | 6–8 | 10–12 | 14–16 | 18–20 | 22–24 | 26–28 | 30–32 | 34–36 | 38–40 |
- Classification of aluminum color (silver gray, white), electroplating process (silver plating, gold plating)
- Can be customized according to customer needs.
Order information
- Product name, model, quantity
- Indicate the number of contact pairs and switch joints, type and installation method
- Whether to choose connection accessories
- If the user has other special requirements, please explain
F10-8 III LD 8-Pole Rotary Auxiliary Contact Switch
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