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Dongguan Heng Hao Electric Co., Ltd
Bimetallic thermostat,thermal switch,thermal motor protector,thermal fuse,thermo-switch
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BH over heat thermal protector,BH thermal cutoff fuse

Dongguan Heng Hao Electric Co., Ltd
Dongguan Heng Hao Electric Co., Ltd
City: Dongguan
Province/State: Guangdong
Tel: 86-0769-82657123
Contact Person:
Mrs. Cherry Lee

BH over heat thermal protector,BH thermal cutoff fuse

Place of Origin : DONGGUAN,CHINA
Brand Name : HENGHAO
Certification : UL CQC TUV ROHS
Model Number : BH
MOQ : 1000PCS
Price : US$0.18-0.3PER,pc
Packaging Details : 1000 pcs per carton
Delivery Time : 7-10 WORKING DAYS
Payment Terms : TT FOB SZ
Supply Ability : 1000000PCS PER MONTH
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BH series thermostat / Miniature thermal protector / Rechargeable battery thermostat

1. BH series thermostat’s Principle and structure

BW & BH series that can protect against over-current and over-temperature are sealed firmly, small internal resistance, no noise and reset automatically. When current through bimetal that are sensitive to temperature and current, the status of the bimetal will be changed by over-temperature or over-current to cut off circuit or switch on circuit. BH series are safer than normal protectors, as there is no temperature effect lag under condition of sudden big current.

2. BH series thermostat’s Specification

2.1. Electrical Rating:

a. DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V max 5A for BH series

b. DC-12V max 4A; DC-24V max 3A; AC-125V max 3A; AC-250V max 2A for BH-TB02 series

2.2. Open temperature: (30~150)+-5°C; 5°C a step.

2.3. Reset temperature: 2/3 of the action temperature with tolerance of +-15°C. Reset temperature can also be provided according to customers' requirement.

2.4. Dimension

Model

Length (mm)

Width(mm)

High(mm)

Lead wire

BH-TB02B-B8D

13.5

5.4

2.4

3266-AWG24#, 3135-AWG24# or nickel strip normally, length is 70 mm or according to customer’s require

BH-A1D

15

6.6

3.2

BH-B2D

15

7.3

3.9

BH-B3D

18

8

4


3. BH series thermostat’s Application and Instruction

BH series thermal protectors ,effective reliable security protector and alarm devices, are widely used in various types 1.5 horsepower motors, lighting device, inverter welding machine, switch power, rechargeable battery pack, fluorescent lamp ballasts, portable power tools, electric appliances and other electric equipment to prevent from over-current & over-heating caused by abnormal work status. Enforced types that can withstand pressure of 3.5MPa are fit for build-in-installation of plastic coated motor.

4. BH series thermostat’s Code System of Product

4.1. BH series Code system

4.2. BH-TB02 series Code system

1. Case 2. Spring contact 3. Bimetal 4. Unmovable piece 5. Base 6. Epoxy resin 7. Spring piece 8. Lead wire

Code

Open temperature

Reset temperature

Code

Open Temperature

Reset Temperature

030

30+-3℃

≥20℃

095

95+-5℃

70+-15℃

035

35+-3.5℃

≥25℃

100

100+-5℃

70+-15℃

040

40+-4℃

≥30℃

105

105+-5℃

75+-15℃

045

45+-4.5℃

≥33℃

110

110+-5℃

75+-15℃

050

50+-5℃

≥35℃

115

115+-5℃

80+-15℃

055

55+-5℃

42+-6℃

120

120+-5℃

85+-15℃

060

60+-5℃

45+-8℃

125

125+-5℃

85+-15℃

065

65+-5℃

48+-10℃

130

130+-5℃

90+-15℃

070

70+-5℃

50+-12℃

135

135+-5℃

95+-15℃

075

75+-5℃

53+-14℃

140

140+-5℃

100+-15℃

080

80+-5℃

55+-15℃

145

145+-5℃

100+-15℃

085

85+-5℃

60+-15℃

150

150+-5℃

105+-15℃

090

90+-5℃

65+-15℃

155

155+-5℃

110+-15℃


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


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