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Product Description

Before purchasing, please note the difference in appearance between KSD301 and KSD302.
Before purchasing, please note the difference in appearance between KSD301 and KSD302.
KSD301 temperature control switch is a flat leg movable ring
KSD302 temperature control switch is a curved leg fixed ring
- Normally closed: The temperature control switch is in the working state (passage). If the temperature exceeds the temperature control temperature, it will trip (disconnect) and not work, such as an electric kettle.
- Normally open: The circuit is open (not working) when the temperature does not exceed the temperature control temperature. It will only start working when the temperature exceeds this temperature.
- Product name: Thermostat Temperature Control Switch Temperature Controller Adjust Snap Disc Temperature Switch
- Model:KSD301/KSD302
- Body material: bakelite, ceramic
- Switch type: normally closed
- Working voltage: 110V, 250V, 400V (V)
- Overload current: 10A, 15A, 20A, 40A, 60A
- Operating temperature: 0 degrees to 300 degrees (℃)
- Lifespan: 50,000 (times)
- Since it is a mechanical switch, according to industry regulations, every 5°C is a step.
The KSD301/KSD302 series product is a temperature control switch that uses a bimetallic piece as the temperature sensing component. When the appliance is working normally, the bimetallic piece is in a free state and the contacts are in a closed/open state. When the temperature reaches the operating temperature, the bimetallic piece It acts quickly to open/close contacts, cut off/connect circuits, and control temperature by generating internal stress due to heat. When the appliance cools to the reset temperature, the contacts automatically close/open and return to normal working condition.
Widely used in: water dispensers, water heaters, sandwich toasters, dishwashers, dryers, disinfection cabinets, microwave ovens, electric coffee pots, electric cooking pots, refrigerators, air conditioners, glue laminators, office equipment, car seat heaters, etc. Electric heating appliances.
Technical Parameters
- Electrical parameters:
- CQC, VDE, UL, CUL? AC250V 50~60Hz 5A / 10A / 15A (resistive load)
- UL AC 125V 50Hz 15A (resistive load)
- Operating temperature range: 0~240℃ (optional), temperature accuracy: ±2 ±3 ±5 ±10℃
- Temperature difference between recovery and action: 8~100℃ (optional)
- Wiring method: plug-in terminal 250# (bent 0~90° optional); plug-in terminal 187# (bent 0~90° optional, thickness 0.5, 0.8mm optional)
- Service life: ≥ 100000 times
- Electrical strength: AC 50Hz 1800V for 1 minute, no flicker, no breakdown
- Contact resistance: ≤50mΩ
- Insulation resistance: ≥100MΩ
- Contact form: Normally closed type: When the temperature rises, the contacts are disconnected; when the temperature drops, the contacts are connected;
- Normally open type: When the temperature rises, the contacts are connected; when the temperature drops, the contacts are disconnected
- Shell protection level: IP00
- Grounding method: Connect the metal shell of the thermostat to the grounded metal parts of the device.
- Installation method: Just use nuts to reinforce it.
- Temperature working range: -25℃∽+240℃+1℃∽2℃

Features
It has the characteristics of stable performance, high precision, small size, light weight, high reliability, long life, and little concern about radio interference.
Precautions
- When using contact temperature-sensing installation, the metal cover should be close to the installation surface of the controlled appliance. To ensure the temperature-sensing effect, thermal conductive silicone grease or other heat-conducting media with similar properties should be applied to the temperature-sensing surface.
- During installation, do not collapse, loosen or deform the top of the cover to avoid affecting performance.
- Do not allow liquid to penetrate into the interior of the thermostat, crack the shell, or change the shape of the external terminals at will.
- When the product is used in a circuit with a current of no more than 5A, a copper core cross-section of 0.5-1㎜2 should be selected for connection; when used in a circuit with a current of no more than 10A, a copper core cross-section of 0.75-1.5㎜2 should be selected for connection. connect.
- The product should be stored in a ventilated, clean, dry and corrosive gas-free warehouse with a relative humidity of less than 90% and an ambient temperature of less than 40°C.
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