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| Place of Origin: | China |
| Brand Name: | NIDE |
| Certification: | CE |
| Model Number: | NDPJ-RBHQ-70 |
| Minimum Order Quantity: | 100000 pcs |
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| Price: | negotiable |
| Packaging Details: | Wooden case suitable for sea transportation |
| Delivery Time: | 30 working days |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 10000000 pcs per month |
| Product Name: | Three Phase Motor Thermal Protection Switch | Color: | Natural |
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| Used For: | Industrial Water Pump Motor | Size: | Custmoized |
| High Light: | Industrial Water Pump Overheating Thermal Protector,Bimetallic Three Phase Motor Thermal Switch,Electric Motor Overheating Thermal Protector |
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High Power Overheating Thermal Protector For Three Phase Motor Thermal Switch
We suppliy different types of thermal protectors available, including bimetallic, thermistor, and thermal fuse protectors. Bimetallic protectors consist of two different metals with different coefficients of thermal expansion, which bend at different rates when heated. Thermistor protectors use a thermistor, which is a resistor that changes its resistance with temperature. Thermal fuse protectors use a fuse element that melts at a specific temperature, opening the electrical circuit.
A thermal protector is an electrical safety device that is used to prevent overheating of electrical equipment, such as motors or transformers. It is typically a small, temperature-sensitive switch that is designed to open and break the electrical circuit when the temperature of the device reaches a certain level. This helps to prevent the device from becoming damaged due to excessive heat.
Thermal protectors are commonly used in a variety of applications, including household appliances, automotive systems, and industrial equipment. They help to improve the safety and reliability of electrical equipment by preventing damage from overheatin
2. KW thermal protector performance
| Rated current: |
VoltageVOLTAGE 12V-DC 24V-DC 120V-AC 250V-AC Current CURRENT 12A 10A 8A 6A 5A |
| Operating temperature: | 60°C-160°C, tolerance ±5°C. |
| Lead wire tensile test: | The lead wire of the thermal protector should be able to withstand a tensile force greater than or equal to 50N for 1min without breakage or loosening. |
| Insulation voltage: |
a. The thermal protector should be able to withstand AC660V, 50Hz alternating current between the wiring after thermal disconnection, and the test lasted for 1min without breakdown flashover; b. The terminal lead of the thermal protector and the surface of the insulating sleeve or the surface of the thermal protector can withstand AC1500V, 50Hz alternating current for 1min without breakdown flashover; |
| Insulation resistance: |
Under normal conditions, the insulation resistance between the wire and the insulating sleeve is above 100MQ. (The meter used is DC500V insulation resistance meter)
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| Contact resistance: | The contact resistance of the thermal protector should not be greater than 50mQ when the contacts are closed. |
| Heat resistance test: | The product is placed in an environment of 150"C for 96 hours. |
| Humidity resistance test: | The product is placed in an environment of 40C and a relative humidity of 95% for 48 hours. |
| Thermal shock test: | The product is placed alternately at 150°C and - 20°C for 30min each, for a total of 5 cycles. |
| Anti-vibration test: | The product can withstand an amplitude of 1.5mm, a frequency change of 10-55HZ, a scanning change period of 3-5min, and vibration directions X, Y, Z, and continuous vibration for 2 hours in each direction. |
| Drop test: | The product is free to fall once from a height of 200mm. |
| Compression resistance: | Immerse the product in a sealed oil tank, apply a pressure of 2Mpa and keep it for 24h. |
3.Thermal protector picture display
Customized Thermal Protector :
1. Customized lead wire: Customized wire material, length and color according to customer needs
2. Customized metal shell: Customize different material shells according to customer needs, including plastic shells, iron shells, stainless steel shells, and other metal shells.
3. Customized heat shrinkable sleeve: Customize different high temperature resistant polyester heat shrinkable sleeves according to customer needs
Contact Person: Herbert
Tel: +8615268395840
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