Extended 8-Channel Control Capacity: Unlike standard 6-pole switches, the F10-8 integrates 4NO and 4NC contacts within a single elongated modular block. This eliminates the need for parallel auxiliary relays when wiring complex interlocking logic.
Synchronized Phase Break: Internal cam blocks and silver-alloy contact tips are aligned along a unified rotary axis. This design guarantees precise, simultaneous state transitions across all 8 circuits, mitigating signal time-skew in protection relays.
Insulation Tracking Resistance: The housing segments are molded from tracking-resistant, high-dielectric polymers. This ensures physical and electrical isolation between adjacent terminal rows, preventing cross-phase short circuits under high DC inductive loads.
Direct Mechanical Linkage: Fitted with a robust square drive shaft and a green indexing notch. The assembly provides zero-slip torque transmission from the breaker’s main operating mechanism to the secondary contact matrix.
| Parameter | Specification |
| Contact Arrangement | 4NO + 4NC (4 Normally Open + 4 Normally Closed) |
| Total Poles / Stages | 8 Poles |
| Rated Operational Voltage (Ue) | AC 220V/380V; DC 110V/220V |
| Thermal Current (Ith) | 10A |
| Terminal Termination | Standard male spade tabs |
| Drive Shaft Diameter | Square shaft with green alignment limit |
Auxiliary Switch Dimensional Drawing
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