BW-B2D KW9700 Snap-Action Thermostat with Small Internal Resistance No Noise and Over-Current Protection Thermal Cut Off Switch
Price:
USD 0.15~0.3PCS
MOQ:
10000PCS
Delivery Time:
10~15PCS
Brand:
HENGHAO
Product Description
BW-B2D KW9700 Snap-Action Thermostat ST-22 SEKI Thermostat KSD9700 Thermal Cut Off Switch
BW & BH series thermostats provide reliable protection against over-current and over-temperature conditions. These sealed units feature small internal resistance, silent operation, and automatic reset functionality. The temperature and current-sensitive bimetal components change state to either cut off or restore the circuit in response to abnormal conditions. BH series offers enhanced safety with immediate response to sudden current surges.
BW-ABS Snap-Action Thermostat 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 cycles |
| Size | L15mm W7.1mm H3.8mm |
| Lead wire | #22 3266, end half tripping, length 70mm (custom options available) |
| Certifications | UL File no: E487478 CQC no: CQC16002142880 TUV no: B160592241002 |
BH Series Thermal Protector Dimensions
| Model | Case | Length(mm) | Width(mm) | Height(mm) | Voltage & 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 70mm (custom options available) |
| H21 | Metal | 18.5 | 7.3 | 3.8 | 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 70mm (custom options available) |
| 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, length 70mm (custom options available) |
BW-ABS Snap-Action Thermostat Applications
These reliable security protectors and alarm devices are widely used in 1.5HP motors, inverter welding machines, switch power supplies, fluorescent lamp ballasts, and various electrical equipment to prevent damage from abnormal operating conditions. The reinforced versions (withstand 3.5MPa pressure) are ideal for plastic-coated motor installations.
Temperature Code Reference
| Code | Temperature | Code | Temperature |
|---|---|---|---|
| 30 | 30℃ | 100 | 100℃ |
| 35 | 35℃ | 105 | 105℃ |
| 40 | 40℃ | 110 | 110℃ |
| 45 | 45℃ | 115 | 115℃ |
| 50 | 50℃ | 120 | 120℃ |
| 55 | 55℃ | 125 | 125℃ |
| 60 | 60℃ | 130 | 130℃ |
| 70 | 70℃ | 135 | 135℃ |
| 75 | 75℃ | 140 | 140℃ |
| 80 | 80℃ | 145 | 145℃ |
| 85 | 85℃ | 150 | 150℃ |
| 90 | 90℃ |
H20/H21 Series Thermal Protector 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 cycles |
| Contact Closure resistance | ≤50mΩ |
| Insulation resistance | ≥100mΩ |
| Electric strength | AC1500V/1min (no breakdown or flashover) |
| Certifications | UL File no: E487478 CQC no: CQC16002142880 TUV no: B160592241002 |
H20/H21 Series Applications
These thermal protectors are suitable for rechargeable batteries, ballasts, massagers, micro motors, transformers, electric tools, heating appliances, and various instruments.
This product holds UL, CQC, TUV, and RoHS certifications.
Similar Products
Related Videos
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