Over currents in the electrical system may cause devastating damage to loads and cables connected to the electrical system. Compact switches, which are one of the protection elements against excessive currents, in other words, we can talk about some important situations that should be considered for thermal magnetic circuit breakers. First of all, as a result of detailed analysis of the electrical system, the following technical specifications of the compact switch should be determined;
nominal operating current
expected short circuit current
Number of poles
nominal working voltage
Characteristic features of the load
ambient temperature
The structural properties of the switch with the specifications of the determined switch determine how long the switch will be used.
The contact material of the compact switch is one of the most important structural properties. Contacts of compact switches are obtained as a result of alloy of various metal materials. The proportions of the materials used in the alloy determine the quality of the contact structure. For example, a contact should have high strength against temperature and its resistance should be low. The characteristics of the ignition structure are determined according to the proportions of the materials used in alloy.
The body material of compact switches should consist of materials that may have high -resistance against mechanical and thermal difficulties. Because during the formation of short circuit currents, very high temperatures and pressure occur, the body material used should be eliminated the possibility of burning and explosion of the switch.
Another important issue is the dimensions of the compact switch. Savings of small sizes switching on the electrical panel will provide convenience in applications.
Another feature that provides significant use of the compact switch is the limit. This feature is provided by the contact structure of the switches in a special form. With the limitor feature, the switch contacts are quickly separated from each other before the short circuit currents reach the expected value in case of any short circuit, so that the switch is not exposed to high currents, high heat and high pressure.
Why Sigma Compact switch should be used?
Sigma compact switchs produced in Turkey in accordance with international standards provide high performance solutions to users with both material quality and wide product selection.
The body and valve material used in Sigma Compact switches are produced from 960 degrees heat -resistant fireproof material called BMC (Bulk Morting Compound). BMC material, which is also very high, eliminates the risk of burning and explosion that can occur in switches with its continuous resistance feature.
The contact material of the Sigma Combatted switches is as a result of our long R & D studies; Low resistance consists of alloys of silver (AG), Wolfram (W), Nickel (Ni) chemical elements in the most suitable rates to ensure heat and impact resistance. Sigma Compact switching switches between -20 and +60 degrees with a wide operating temperature range and compact dimensions with flexible solutions in various applications. In addition, Sigma Compact switches reduce mechanical and dynamic challenges by increasing short -circuit cutting technology thanks to the limitor feature.