
This ELTH-001 25351 defrost termination thermostat acts as a safety device to stop the evaporator coil from overheating, by turning off the defrost heater at the end of the defrost cycle. The thermostat measures the temperature in your freezer to ensure that it stays at an optimum temperature to keep your frozen food from thawing. Some common symptoms linked to a faulty defrost termination thermostat include: the freezer is not defrosting, is too cold/too warm, or there is a frost build-up in the freezer. Before you decide to replace this part, ensure that there is no frost buildup in your freezer as it can interfere with the thermostat reading.


ltem NO | ELTH-001 25351 |
Use | Defrost/Temperature control/Protection |
Appliance | Refrigerators, Freezer |
Reset type | Automatic |
Basic material | Bakelite, Epoxy Resin, PA |
Electric rating | 250V 10A |
Action temperature range | -30°C~90°C |
Differential | According to the requirement |
Insulation resistance | ≥100MΩ |
Tolerance | Refer to the regulation |
Life cycle | 100,000 times |
Contact material | Silver |
Dielectric Strength | Parts between electriferous components and non-electriferous ones can bear 2000V (3750V for Reinforced insulation type) 50Hz AC current, which is nearly sine wave, for one minute as bearing test. Resulted no breakdown, no flashover. |
Insulation Resistance | With a DC 500V megger, borne DC 500V, the tested value is over 10MW. |
Resistance Between Terminals | Below 50mW |
Temperature characteristics | Normal close, Normal open |
Maximum Ambient Temperature | 90°C |
Diameter of Bimetal Disc | F12.7mm(1/2″) |
Wire Leads | Color: Red Length: customized |
Terminal type | Customized (Refer to our specification) |
Cover/Bracket | Customized (Refer to our specification) |
Sample Price | Free sample USD 50 freight charge, refund after mass order |




What is defrost temperature sensor?
Temperature--the defrost thermostat measures the temperature of the evaporator, activating once it reaches a set point to warm and defrost the evaporator. Frost thickness – an infrared sensor is used to measure how much frost built up and activate the heating element once it reaches a certain thickness.

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