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Thermal Protector for Direct Current Motor Bw-A1d Metal Case Temperature Protector Switch 250V 5A-20A
Thermal Protector for Direct Current Motor Bw-A1d Metal Case Temperature Protector Switch 250V 5A-20A
Thermal Protector for Direct Current Motor Bw-A1d Metal Case Temperature Protector Switch 250V 5A-20A
Thermal Protector for Direct Current Motor Bw-A1d Metal Case Temperature Protector Switch 250V 5A-20A
Thermal Protector for Direct Current Motor Bw-A1d Metal Case Temperature Protector Switch 250V 5A-20A
Thermal Protector for Direct Current Motor Bw-A1d Metal Case Temperature Protector Switch 250V 5A-20A

Thermal Protector for Direct Current Motor Bw-A1d Metal Case Temperature Protector Switch 250V 5A-20A

Min.Order: 1,000
Product origin: Dongguan, Guangdong, China
Infringement complaint: complaintComplaint
US$ 0.16 ~ 0.2

Description
  1. H20,H21 series thermostat's Principle and structure
H20,H21serial universal and enhanced protectors with large metal casing are composed of the thermal conductive metal casing, bimetallic parts welded with silver alloy contact point, conductive bracket, insulation fixation stand, fixed contact strip and heat resistance cable. In case of abnormal operation, along with the increase of the environment temperature to the set value, the bimetallic parts perform quick action, open the contact point, and disconnect the circuit. When the device is cooled to the temperature for safe operation, the contact point will automatically closes and recover normal operation.
  1. H20,H21series thermal protector's Specification
    1. Switch type: normally closed, normally opened.
    2. Operating Voltage / Current: AC250V / 5A; AC125V / 8A
    3. Operating Temperature: 40~150ºC (one step for every 5°C)
    4. Standard Tolerance: ±3°C / ±5°C / ±7°C
    5. Reset temperature: operating temperature decrease by 15-45°C
    6. Contact Closure resistance: ≤50mΩ
    7. Insulation resistance: ≥100mΩ
    8. Electric strength: AC1500V/1min free from phenomena of break down and flashover.
    9. Service life: 10000 times
Electrical RatingDC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V max 16A
Open temperature(30~150)±5°C; 5°C a step
Reset temperature2/3 of the action temperature with tolerance of ±15°C. Reset temperature can also be provided according to customers' requirement.
Life times10000 times
Contact Closure resistance:≤50mΩ
Insulation resistance:≥100mΩ
Electric strength:
    1. AC1500V/1min free from phenomena of break down and flashover.
UL File no E487478
CQC certificate noCQC16002142880
TUV certificate no B160592241002
 
  1. H20,H21series thermal protector's Dimension
ModelCaseLength(mm)width(mm)High(mm)Vol.&CurrentLead wire
H20Plastic18.584DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V max 10A#20 3135, end 5mm
half tripping, length is 70mm, or according to customer's require
H21Metal18.57.33.8
H21Metal2084AC250V 20A#16 3135
BH-A1DMetal156.63.2DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V#20 3135, #22 3266,#22 3135, end 5mm
half tripping, length is 70mm, or according to customer's require
BH-B2DPlastic157.13.8
BH-TB02B-B8DPlastic155.22.4DC-12V max 4A; DC-24V max 3A; AC-125V max 3A; AC-250V max 2A3266-AWG24#, 3135-AWG24# or nickel strip normally, length is 70 mm or according to customer's require

  1. H20,H21series temperature protector's Application
H20,H21series is applicable to chargeable battery, ballast, massager, micro motor, transformer, electric tools, heat electric appliance and instrument etc.

The product UL,CQC,TUV and RoHS certification approval.


 
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