Dongguan Heng Hao Electric Co., Ltd
                                                                                                           
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15 Years
Since 2011
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BW-ABS H20 H21 Series Thermal Protector with 50-150℃ Temperature Range and 100000 Cycles Life

Price Negotiable
Price: USD 0.2~0.5/PCS
MOQ: 1000pcs
Delivery Time: 10~15 work days
Brand: HENGHAO
Product Description
BW-ABS Thermal Protector Thermal Fuse Auto Reset Thermal Fuse Thermostat
The H20 and H21 series universal and enhanced protectors feature a large metal casing composed of thermal conductive metal, bimetallic parts with silver alloy contact points, conductive bracket, insulation fixation stand, fixed contact strip, and heat resistance cable. In case of abnormal operation, when the environment temperature reaches the set value, the bimetallic parts quickly open the contact point to disconnect the circuit. When cooled to safe operating temperature, the contact point automatically closes to resume normal operation.
KSD9700 Thermal Fuse Specifications
Electrical Rating DC-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 temperature 2/3 of the action temperature with tolerance of ±15°C. Custom reset temperatures available.
Life times 10000 times
Contact Closure resistance ≤50mΩ
Insulation resistance ≥100mΩ
Electric strength AC1500V/1min free from phenomena of break down and flashover
Certifications
  • UL File no: E487478
  • CQC certificate no: CQC16002142880
  • TUV certificate no: B160592241002
KSD9700 Thermal Fuse Dimensions
Model Case Length(mm) Width(mm) Height(mm) Vol. & Current Lead wire
H20 Plastic 18.5 8 4 DC-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 custom
H21 Metal 18.5 7.3 3.8
H21 Metal 20 8 4 AC250V 20A #16 3135
BH-A1D Metal 15 6.6 3.2 DC-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 custom
BH-B2D Plastic 15 7.1 3.8
BH-TB02B-B8D Plastic 15 5.2 2.4 DC-12V max 4A; DC-24V max 3A; AC-125V max 3A; AC-250V max 2A 3266-AWG24#, 3135-AWG24# or nickel strip normally, length is 70 mm or custom
H20/H21 Series Temperature Protector Applications
The H20 and H21 series are suitable for chargeable batteries, ballasts, massagers, micro motors, transformers, electric tools, heat electric appliances, and instruments.
Operation Types
  • Manual reset type: When temperature reaches the action range, the bimetallic strip quickly disconnects. The contact point requires manual reset by pushing a button after temperature declines by 20°C (4-6N force recommended).
  • Auto reset type: When temperature reaches the action range, the bimetallic strip quickly disconnects. The contact point automatically resets when temperature declines to a fixed point.
Note: For manual reset models, maintain at least 20.4mm distance between reset button and close cover to ensure proper function. Product has UL, CQC, TUV and RoHS certification approval.
BW-ABS Thermal Protector close-up view showing metal casing and components
Side view of BW-ABS Thermal Protector showing dimensions and lead wires
Top view of BW-ABS Thermal Protector showing contact points and construction
Multiple BW-ABS Thermal Protectors displayed together showing size comparison

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Dongguan Heng Hao Electric Co., Ltd
Location No.9, five lane, Shangchegang, Shangtang road, Gekeng, Hengli Town, Dongguan City, Guangdong, China
Contact Person Cherry Lee

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