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KSD303-A Waterproof And Hermetically Seal Thermostat

KSD303-A series snap-action defrost thermostat is a kind of miniature waterproof and hermetically seal bimetal thermal protector. It is of single-pole single-throw structure and works under resistive load. Thermostat is enveloped in cold-resistant and flame-retardant plastic tube or sealing gum for possible underwater applications. The product series is widely used as heating compensated switch or automatic defrosting control switch in air-cooling frostless refrigerators.
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PRODUCT DESCRIPTION

KSD303-A series snap-action defrost thermostat is a kind of miniature waterproof and hermetically seal bimetal thermal protector. It is of single-pole single-throw structure and works under resistive load. Thermostat is enveloped in cold-resistant and flame-retardant plastic tube or sealing gum for possible underwater applications. The product series is widely used as heating compensated switch or automatic defrosting control switch in air-cooling frostless refrigerators.

TONGBAO
 

BASIC TECHNICAL PARAMETERS

Uses: Defrost Application: Refrigerator (waterproof thermostat, refrigerator thermostat)
Housing material: Bakelite Current: 3A/10A/16A
Maximum operating temperature: 20℃ Temperature difference: for reference
Tolerance: for reference Minimum tolerance: 10℃
Contact material: silver Insulation resistance:

With a DC 500V megger, borne DC 500V, the tested value is over 100 MW.

Dielectric Strength (in water):

In water, parts between the terminals and airproof wrap can bear 1500V 50Hz AC current, which is nearly sine wave, for one minute as bearing test. Resulted no breakdown, no flash-over.

Cold-resistant Temperature:

-40℃

Reset type: Auto Reset    
Class of Temperature Characteristics: Normal close, normal open    

 

PRODUCT ADVANTAGES

Waterproof;
High precision;
Fast heat transfer;
High durability;
No breakdown, no arcing;
Each thermostat will be tested and the temperature pass rate is high.
tongbao
 

DIMENSION OF THE MAIN BODY

tongbao

 

SAFETY CERTIFICATE

Rates Life cycles  Max. OT Certificate
250V 6A 10,000 25°C VDE: 40012588 
CQC: 08002022704
250V 5A/125V 7A 10,000 15°C UL: E137238, Sec. 3

 

ORDER DETAILS

package 200-500/ inner box, box size: 480 (length) * 282 (width) * 218 (height) (mm)
minimal order size 1000
payment method Wire transfer, Western Union
delivery time 15 to 20 days

 

INSTALLATION AND DIRECTION FOR USE

Installation and use instructions:
1. Grounding method: Connected to the grounding metal parts of the equipment through the metal casing of the thermostat.
2. The thermostat shall be operated in a general indoor environment where the relative humidity of the air is not more than 90%, no corrosive gas, no flammable gas and conductive dust.
3. When the temperature controller is in contact with the temperature, the cover should be placed close to the heat-generating part of the controlled appliance, and the thermal surface of the cover should be coated with thermal grease or other similar heat-conducting medium.
4. When the temperature controller is exposed to liquid or steam, it is recommended to use a stainless steel cover and a reliable leak-proof measure to prevent liquid from seeping into the insulation of the thermostat.
5. It is not possible to collapse or deform the top of the cover to avoid changes in operating temperature or other properties.
6. Do not allow liquid to penetrate inside the thermostat! The housing must be protected from excessive forces to prevent cracking; the housing should be kept clean to prevent contamination of conductive materials to prevent short-circuit breakdown due to reduced insulation.
7. The terminal cannot be bent during use, otherwise the reliability of the electrical connection will be affected.

 

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Tel : (86)757-87575702
Fax: 0757-87655136
E-mail:
dengxiaoshun@fstb.com.cn

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Address: No.41,HuiJin Rd.,Baini Town 
Sanshui District,Foshan,Guangdong,China

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