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Product Tags
KSD301 Temperature Limit Switch
KSD301 realizes temperature control through bimetallic temperature sensing element: When the temperature of the equipment reaches the preset action temperature, the bimetallic strip is deformed by heat and instantly drives the contact to disconnect the circuit; after the temperature drops to the reset temperature, the contact automatically closes and resumes power.
KSD301 is a widely used bimetallic temperature-controlled Limit switch, mainly used for overheat protection or temperature control of electrical equipment. Its main features and information are as follows:
Ја. Core Principle
KSD301 realizes temperature control through bimetallic temperature sensing element: When the temperature of the equipment reaches the preset action temperature, the bimetallic strip is deformed by heat and instantly drives the contact to disconnect the circuit; after the temperature drops to the reset temperature, the contact automatically closes and resumes power.
Ии. Key Parameters
Parameters |
Typical values | Remarks |
Rated voltage/current | AC 250V / 5А、10А、15А、16А | Applicable to resistive loads |
Action temperature range | 40°C–250°C | 5°C steps available |
Temperature accuracy | ±2℃、±3℃、±5℃、±10℃ | Depending on the model |
Reset temperature difference | 8–100℃ (customizable) | Action and reset temperature difference |
Contact resistance | ≤50mΩ | |
Insulation resistance | ≥100MΩ | |
Mechanical life | ≥100,000 times |
Иии. Specifications and Types
Contact Form
Normal Closed (NC): The contact disconnects when the temperature rises (most commonly used).
Normal Open (NO): The contact connects when the temperature rises.
Mounting Structure
Bent-leg/flat-angle terminals are optional (remarks are required when placing an order).
Enclosure protection level: IP00 (metal enclosure grounded).
IV. Typical Applications
Household appliances: water dispensers, rice cookers, disinfection cabinets, microwave ovens, Машине за кафу.
Industrial equipment: клима уређај, laminators, electric heating appliances.
Automotive field: diesel filter heating system.
У. Procurement and selection
Temperature marking: The required operating temperature (such as 85°C, 125° Ц) and contact type must be specified when purchasing.
Tip: The operating temperature tolerance and reset temperature difference must be confirmed according to the specific model. The tolerance of some high-precision models is as low as ±2°C.
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