The F10 series auxiliary switch is a mechanical position signal conversion device. It is directly installed on the operating shafts of main equipment such as circuit breakers, disconnectors, or grounding switches, converting the mechanical position changes into electrical contact signals.
It is a key interface component for realizing monitoring, interlocking, and automation in switch cabinets.
• Features: Utilizes a multi-contact laminated structure with an operating shaft (top protruding component), featuring numerous contacts (typically 8-20 pairs) and excellent insulation performance (suitable for high-voltage environments).
• Function: Interoperates with primary equipment such as circuit breakers and disconnect switches. Through mechanical transmission via the operating shaft, it synchronously switches its own contact status to provide signal feedback for primary equipment, extend control circuits, or enable interlock protection.
| Parameter Category | Common Specifications |
|---|---|
| Rated Voltage | AC 380V/DC 220V |
| Rated Current | 5A~10A |
| Number of Contact Pairs | 8~20 pairs (NO/NC optional) |
| Mechanical Life | ≥1,000,000 cycles |
| Insulation Class | ≥3kV (power frequency withstand voltage) |
• High-Voltage Switchgear: Works with vacuum circuit breakers to enable remote transmission of closing/opening status signals and interlock protection for switchgear doors (preventing closing when doors are open).
• Power Systems: Serves as a signal component for relay protection devices, conveying the operational status of primary equipment to trigger control logic such as alarms and tripping.
• Electrical Control Circuits: Expands the number of control contacts for primary equipment, accommodating multi-path switching requirements in complex control circuits.
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