중국 열 과열 보호 스위치

KSD9700 / KSD301 / KSD302 / JUC-31F / S01 / S06 / 7오전 / 17오전 / YS11 thermostat is a common Bimetal temperature control protection switch, which adopts the working principle of overheating power-off of bimetallic strip.

중국 “3국회의원 / 6AP/오전 8시/오전 2시 / 3국회의원 / 17AM+PTC 과전류 & 온도 바이메탈 보호기” 표준을 결합한 전기 안전 장치의 일종입니다. ” 3국회의원 ” 양의 온도 계수를 갖춘 바이메탈 열 과부하 보호 장치 (PTC) 서미스터, 과도한 전류에 반응할 수 있도록 허용 (과전류) 그리고 높은 온도, 문제가 해결되면 자동으로 전원을 차단하고 재설정합니다.; 기본적으로 온도 보호 기능이 추가된 재설정 가능한 퓨즈 역할을 함.

common Bimetal temperature control protection switch

Snap Disc Limit Switch KSD9700 Temperature Control

과열 보호 스위치

Key components and function:
•Bimetallic protector:
This is the primary overcurrent protection mechanism, consisting of a bimetallic disc that bends and breaks the circuit when too much current flows through it, causing excessive heat generation.

•PTC Thermistor (Positive Temperature Coefficient):
This component further enhances protection by significantly increasing its resistance when it reaches a preset temperature, further limiting current flow in case of overheating.

How it works:
1. 1. Normal Operation:
When current is within safe limits, both the bimetallic disc and PTC thermistor operate normally, allowing current to flow freely.
2. 2. Overcurrent Condition:
If the current exceeds a preset threshold, the bimetallic disc heats up and bends, interrupting the circuit.
3. 3. High Temperature Condition:
Simultaneously, the PTC thermistor also heats up due to high current, drastically increasing its resistance and further limiting current flow.
4. 4. Resetting:
Once the fault is removed and the components cool down, the bimetallic disc returns to its original shape, re-establishing the circuit, and the PTC thermistor resets to its low resistance state, ready to protect again.

17AM+PTC 과전류 & 온도 바이메탈 보호기

17오전 / 3MP bimetallic thermal overload protector with PTC

3국회의원 / 6AP Limit Switch Motor over current – 열 보호기

응용:
• Motor Protection:
Commonly used in electric motors for appliances like washing machines, 건조기, and vacuum cleaners to protect against overload situations.
• Power Supply Protection:
Can be integrated into power supplies to prevent damage from overcurrent or overheating events.

Important points to consider:
• Current Rating:
Each protector is designed for a specific current rating, which should be matched to the application.
• Trip Time:
The time it takes for the protector to trip depends on the overcurrent level and the design of the bimetallic disc.
• Temperature Rating:
The PTC thermistor has a specific temperature threshold at which it activates, ensuring protection against excessive heat.