FN7-12R/630A High Voltage Load Switch | Indoor Gas-evolving Load Switch - Fuse Combination Apparatus

Overview

FN7-12DR AC high voltage load switch (hereinafter referred to as load switch) is a new type of gas-evolving indoor high voltage load switch, suitable for AC 50Hz, rated voltage 12kV three-phase AC power systems, used for breaking load current and making short-circuit current. FN7-12R/630A High Voltage Load Switch has an indoor gas-evolving structure, simple operation, low maintenance cost, and with fuse combination, is suitable for small and medium capacity distribution transformer protection circuits.

The FN7(C)-12 series high voltage load switch and fuse combination apparatus is based on the FN7-12 series high voltage load switch, adding a side operating mechanism, making installation more convenient and simple, meeting the different requirements of users.

Model Designation

Normal Service Conditions

• Ambient air temperature not higher than +40degC, not lower than -25degC;
• Altitude not exceeding 1000m;
• Relative humidity: daily average not greater than 95%, monthly average not greater than 90%;
• Surrounding air shall be free from obvious pollution by corrosive, flammable gases, water vapor, etc.;
• No frequent violent movement.

Model Classification

Rated Parameters

Fuse Rated Parameters

Outline and Installation Drawings

Fig. 1. Without tripper "Line" load switch Fig. 2. Without tripper "Transformer protection" load switch

Fig. 3. Tripper striker load switch Fig. 4. CS6 Operating Mechanism Installation Diagram

FN7(C)-12 High Voltage Load Switch

FN7(C)-12 High Voltage Load Switch and Fuse Combination Apparatus

Ensure that FN7-12R/630A High Voltage Load Switch FN7-12DR gas-evolving load switch after installation, check that the arc extinguishing tube is intact without aging, the contact spring pressure is 30±5N, the side operating mechanism transmission rod is firmly connected without play, and the opening/closing operating torque is not greater than 200N·m...