1. Application 
Load Isolating Switches are mainly used in the electricity-distribution networks or motor networks with AC frequency 50Hz, rated voltage up to 660V or DC rated voltage up to 440V and rated current up to 1600A as the master switch of the power supply to conduct the non-frequent making, breaking and isolation of the electrical circuits. 
The products have been widely using in various fields of architecture, power, petrochemical industries as well as the ideal renewed and regenerated products in the same trade in the domestic markets. 
The products are made of various structures with various operating methods and advanced characteristics such as the visible window that can directly observe the making or breaking status of the contacts, the indoor or outdoor operations, front or side operations, rear-board connections ect. 
2. Strucure Feature 
Ring-storage instantaneous release of the body to speed up the realization of the rapid access and breaking (13.8 m / s), speed has nothing to do with the operation of the handle, have greatly improved the ability to arc out. 
The modular design of the structure, with a flexible and diverse portfolio, the use of glass fiber reinforced unsaturated polyester resin-made shell has a good fire-retardant properties, dielectric properties, anti-carbonation and impact resistance. 
Parallel double-break point of contact with the self-cleaning effect. 
All contact material is silver-plated copper alloy, with two separate face contact. 
Isolation istance the big. 
3. Conform stands and certification 
Conform to the following standers: 
IEC60947-19 Low-voltage Switchgear and Control Gear Part I General Rules 
IEC60947-3 Low-Voltage Switchgear and Control Gear Switchgear, Isolation, Separated Switch And Fuse Combination Apparatus 
GB/T14048.1 Low-voltage Switchgear and Control Gear Part II General Rules 
GB14048.3 Low-Voltage Switchgear and Control Gear Switchgear, Isolation, Separated Switch And Fuse Combination Apparatus 
4. Installation condition 
Installing categories: Class III, IV. 
Install in distribution cabinets, distribution drawer or box. 
Install way is verticality. 
Products should be used in no significant impact and vibration place.