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Dongguan KAIN Electronic SCI&TECH. Co., Ltd To be global No.1 Brand for thermostat and thermal protecting switch
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250v Thermal Overload Protector For Motor Current Protection

250v Thermal Overload Protector For Motor Current Protection

Place of Origin : China(mainland)
Brand Name : Hengxin
Certification : CQC UL VDE
Model Number : KI66/67
MOQ : 1000pcs
Packaging Details : 75pcs or 100pcs with a plastic case20 cases with a carton
Delivery Time : 8~10 days afte your received deposit
Payment Terms : T/T Western Union
Supply Ability : 30,00,000 pieces per Month
Price : negotiable
Product Name : Thermal Overload Switch
Maximum Voltage : 250V-AC
Maximum Current : 12A
Length : 15.0±0.4
Wigth : 6.5±0.2
Height : 3.1±0.1
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250v Thermal Overload Protector For Motor Current Protection


Structure and protection principle
KI67 type thermo protector is composed of the parts of thermal conductive casing, bimetallic parts welded with silver alloy contact point, conductive bracket, insulation fixation stand, fixed contact strip and heat resistance cable. When current passes through the bimetallic parts with resistance and in case of abnormal operation, along with the increase of current or the environment temperature rises to the set value, the bimetallic parts perform quick action, opens the contact point, and disconnects the circuit. When the device is cooled to the temperature for safe operation, the contact point will automatically closes and recover normal operation


Electric machine thermal protection switch description

KI67 universal and enhanced serial thermal protectors are widely used in industry, electrical household appliance and electric equipment to avoid abnormal operation caused by overcurrent and overtemperature. The products provide effective, reliable and safe protection. The enhanced casing is suitable for internal installation of plastic hermetic motor, which can bear the plastic molding pressure at 3.5Mpa. The performance of the products satisfies the standards including IEC34-11, GB13232, GB/T13002, etc.


Design Detail


Note
1.Because the casing is made of conductive metal, thermal conductive and heat resistance insulation sleeves are required for use.
2.Refer to A-C graph for selecting protection temperature.



Rated action temperature table

Type

Open Temperature Range

Type

Open Temperature Range

50℃

50±5.0℃

100℃

100±5.0℃

55℃

55±5.0℃

105℃

105±5.0℃

60℃

60±5.0℃

110℃

110±5.0℃

65℃

65±5.0℃

115℃

115±5.0℃

70℃

70±5.0℃

120℃

120±5.0℃

75℃

75±5.0℃

125℃

125±5.0℃

80℃

80±5.0℃

130℃

130±5.0℃

85℃

85±5.0℃

135℃

135±5.0℃

90℃

90±5.0℃

140℃

140±5.0℃

95℃

95±5.0℃

145℃

145±5.0℃



150℃

150±5.0℃


Note: The recovery temperature is 2/3 of the standard action temperature with the tolerance of ±15℃ or

specified by customer



Contact point maximum capacity
TH serial protectors can perform 10,000 times of connection and disconnection protection under the

following conditions.

Voltage

24V-DC

125V-AC

250V-AC

Current

12A

8A

5A


Product size

Type

L

W

H

KI67

15.0±0.4

6.5±0.2

3.1±0.1


Passed certifications




Product Tags:

thermal protector switch

      

thermal overload switch

      
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250v Thermal Overload Protector For Motor Current Protection Images

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