Quality analysis of KSD301 temperature control switch

Now the temperature switch price on the market is different, there is a big difference, but there is also a big difference in quality, how to understand the quality of the temperature switch? Let's start with the principle of temperature control switch, take KSD301 temperature switch as an example:

Product performance:

1. Temperature sensing speed, KSD301 temperature control switch needs to be consistent with the power of the heating body, the greater the power, the faster the heating, it is necessary to take into account the temperature sensing time of the temperature switch to choose the correct temperature point, the temperature switch should be rapid, rapid temperature sensing, no arc, etc.

KSD301 temperature switch itself heating, the internal structure of the KSD301 temperature switch, copper materials and iron materials, different materials of their own heating is different, if the material heating is large, it will affect the temperature of the bimetallic sheet. This requires the use of non-current thermal effect design, temperature, long life.

The installation of temperature control switch, temperature switch temperature is heat transfer by the surface of the aluminum cover to the internal air or through the aluminum cover radiation heat to sense the temperature, so that the product installation should make the product close to the installation surface of the protection. During the installation process, it should also be taken into account that the housing (aluminum cover) should not be vigorously collapsed or deformed, which will affect the performance of the temperature switch.

When the temperature switch is used in some current and voltage sensitive products, this needs to consider the problem of heating products, the best choice of normal electrical strength: 50Hz, 2200W, 1m temperature switch without breakdown or flashing.

KSD301 temperature switch working principle: KSD301 temperature switch is the use of disc bimetallic sheet as a temperature sensing element, when the temperature rises to a certain value, the bimetallic sheet jumping, contact action quickly, disconnect the power supply, when the temperature drops to a certain value, the bimetallic sheet reset, the contact is also restored to the original state, to achieve the purpose of power supply.

The life of the temperature switch is the most critical, the service life of the temperature switch needs to take into account two aspects of the key components, one is a bimetallic sheet, temperature sheet different life will also be very different, so the price is also very different, one is the contact, the on-off of the temperature switch is achieved by contact contact and disconnect, the contact needs to be able to withstand current and voltage, Many products can not meet these requirements, so the domestic emergence of low unit price and high unit price temperature switch.