The FN5-12 series indoor high-voltage load switches and fuse combination units (hereinafter referred to as load switches) are suitable for 50Hz, 12kV AC distribution networks, used for opening load currents and closing short-circuit currents. Load switches with fuses can interrupt short-circuit currents and serve as protective switches. Load switches can be equipped with the CS6-1 type mobile operating mechanism, the CS 0 manual operating mechanism used in this product, or the CJ type electric operating mechanism.

Application Environment

Altitude not exceeding 1,000m.

◆Maximum temperature: +40°C, minimum temperature: -25°C (electric mechanism not below -5°C)

Relative Humidity: Daily average not exceeding 95%, monthly average not exceeding 90% at +259C.