S N A P - A C T I O N. 电邮 Teb. Specification Open Temp. Reset Temp. Specification Open Temp. Reset Temp ±5 35± ±5 75±15

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Roberta Phillips
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1 1 Technical Specification 1.1 Product name:thermal protector 1.2 Item No.:TH series 1.3 Action /recovery temperature Specification Open Temp. Reset Temp. Specification Open Temp. Reset Temp ±5 35± ±5 65± ±5 35± ±5 70± ±5 35± ±5 75± ±5 40± ±5 75± ±5 45± ±5 80± ±5 45± ±5 85± ±5 50± ±5 85± ±5 55± ±5 90± ±5 55± ±5 95± ±5 60± ±5 95± ±5 65± ±5 100± Conducting wire specification:white silicon Tin plated copper (L1=L2=50mm) Diameter: 0.6±0.1MM 1.5 Style of contact : Single-pole single-throw Speed Automatic reset type 1.6 Status of contact: Close / Open 1.7 Rated Current:AC250V/6A AC125V/8A 2 Explanation of Item No. TH-B 2 D K 3 structure and Style of contact:k-open No signal is close Temperature specification Resistance value of Double metal:g-high Z-moderate D-low Size: Material:A-Metal B-Plastic Design No. and material requirements

2 3.1.1Installation size, structure of outsized All meet the requirement of design drawing Material requirements Live parts should be endure corrode Insulated material should be endure 850±10 high temperature test to last30±1s Metal materials should not be crack,fallen plating layer,plastics material should not be scratch froth 3.1.3Conducting wire or terminal requirements of endure pull. Conducting wire or terminal should be endure 30Npull to last 1min, without crack looseness 4 Temperature character 4.1 Open temperature: see Title Electric performance: 5.1 Electric character a. Being opening status, the leads should endure 660V; 50Hz after opening without arc over under duration of 1min(leakage current is 1mA). b. conducting wire or terminals of the thermal protector and insulated layer shall endure voltage of 1500V,50Hz and duration of 1min,without arc over ( leakage current is 1mA) 1mA) 5.2 Insulated character In the normal, the insulated resistance of conducting wire or terminals of the thermal protector and insulated layer is more than 100 M Ω ( DC500V M Ω measure) 5.3 Life performance millimeter Thermal protector is updater AC 50Hz 220V rated power radix COS = , which can normally work 2000 times, open temperature shall be original value ± 5 or ± 5% ( select the more bigger value ), at the same time, contact is unmelting, the thermal protector can work normally after continuing 4000 times test. 5.4 Current chart of TH series(for your reference)

5.5 Contact resistance Contact resistance of thermal protector should be less than 50mΩ. * Contact resistance = measurement value -resistance of conducting wire 5.

3 5.5 Contact resistance Contact resistance of thermal protector should be less than 50mΩ. * Contact resistance = measurement value -resistance of conducting wire 5.6 humidity trial The thermal protector is placed chamber to test (Ca method), test time is 48. Insulated resistance is not less than 2MΩ after test, check sample : a. Sample is good shape, without damage c. Electric character should meet Title 5.1; test voltage is 75% of original voltage. 5.7 High temperature trial The thermal protector is placed in conditions of 150 chamber to keep 24h,check the sample: a. Sample is good shape, without damage c. Electric character should meet Title 5.1; test voltage is 75% of original voltage. 5.8 Low temperature trial

4 The thermal protector is placed in conditions of h,check the sample: a. Sample is good shape, without damage. chamber to keep c. Electric character should meet Title 5.1; test voltage is 75% of original voltage. 5.9 Coldness and hotness shock trial The thermal protector is placed in the conditions of 150 chamber to keep 30min,then which is placed in the conditions of -20 chamber to keep 30min, repeat this cycles for 5 times, and check the quality of sample : a. Operation temperature is within original value ±7. b. Sample is good shape Vibration endure trial The thermal protector should be normal after lasting 90 Min in the conditions of amplitude of 0.35mm, frequency change of 10~50Hz, change cycle of 3~5times/ min, (Vibration directions of X,Y and Z each lasting for 30 Min). And check the sample: 6 Attentions a. Operation temperature is within original value ±7. b. Sample is good shape, without damage, terminal is not loose. 6.1Temperature trial The thermal protector must be placed the chamber to test. The accuracy of chamber should be ±1 the thermometer should be close with the testing sample, during test,changeable speed of temperature cannot exceed 0.5 /min when operation temperature reach to 10 The current of the sample should not exceed 0.1A 6. 2 Usage surrounding 6.2.1The products should not be used long in the conditions of The products should not be used in the conditions of strong acid, alkali or other erodent. 6.3 Installation and connecting 6.3.1The thermal protector should be installing on the sensitive part of heating, the sensor should be closed with the protective part or area. There are three notches on face of the

5 sensor During installation,people should pay attention to the bellowing : a. Don t use Sharpe tool to compress thermal protestor; b. Don t use weighted substance to stab ; 6.3.3During arc welding,the current of solder cannot pass to the thermal protector, or strong current will damage it 7. Storage: Kept products out of humidity, they should be store in warehouse that the relative humidity is not more than 90%, free of compression.

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