The KSD series of snap-action thermostats is a small bimetal thermostat with a metal cover, which belongs to the thermal relay series. The main principle is that the function of the bimetal disc is to move quickly when sensing temperature changes. Through the internal structure to push the role...
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The KSD series of snap-action thermostats is a small bimetal thermostat with a metal cover, which belongs to the thermal relay series. The main principle is that the function of the bimetal disc is to move quickly when sensing temperature changes. Through the internal structure to push the role of the contact, and then finally turn on or off the circuit, different insulating materials can be used to meet customer requirements, the main insulators are bakelite, PPS and ceramics. This is a small temperature controller. It has a fixed temperature characteristic, no adjustment, reliable action, long life, and low wireless interference.
Cautions
1. The thermostat should work in a general indoor environment where the relative humidity of the air is less than 90%, and there is no corrosive gas, flammable gas and conductive dust.
2. When the thermostat adopts contact temperature sensing. The cover should be close to the heating part of the controlled appliance. And should be coated with thermal grease or other properties on the temperature-sensitive surface of the cover
Similar to the heat transfer medium.
3. Do not collapse or deform the top of the seal. So as not to change the operating temperature or affect other performance.
4. Do not allow liquid to penetrate into the thermostat. The shell must be protected from excessive force to prevent cracks; the shell should be kept clean. Prevent the pollution of conductive materials, so as to avoid short circuit breakdown due to reduced insulation performance.
5. The manual reset product should not be too strong when resetting. It is advisable to press the reset handle with torture. Generally, it should be less than 20N, so as not to damage the internal structure of the thermostat.
6. Do not bend the terminal during use. Otherwise, the reliability of the electrical connection will be affected.
Technical parameters
Rated electrical parameters: 5A series AC250V 5A/AC120V 7A (resistive load)
10A series AC250V 10A (resistive load)
16A series AC250V 16A (sister sex load)
Normal electric strength: AC50Hz2000V lasts one minute without breakdown. No flashover
Normal insulation resistance: greater than 100M0-(measured by a 500V megger)
Contact form: single pole single throw (S.P.S.T), divided into three types:
1. Connected under suffocation temperature, temperature rising contact is disconnected, temperature falling contact is connected
2. Disconnected at room temperature, the temperature rising contact is connected, and the temperature falling contact is disconnected
3. Turn on at room temperature. The temperature rise contact opens. Manual reset on
Grounding method: connect to the grounded metal part of the equipment through the metal cover of the thermostat
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