250V 10A Bimetal Temperature Switch with 250°C Rating and 70mm Cable for Thermal Protection
Price:
Negotiable
MOQ:
2000 Pieces
Delivery Time:
7-10 Workdays
Brand:
AMPFORT
Product Description
Product Overview
BW Series bimetal temperature switch rated for 250V/10A operation with adjustable temperature setting up to 250°C. This compact thermal protector features 20AWG wiring and 70mm cable length, designed for reliable overheating protection in various electrical applications.
Applications
Widely used in tubular motors, induction cookers, vacuum cleaners, coils, transformers, electric heaters, ballasts, fluorescent lamp ballasts, automotive motors, IC components, and general electrical equipment requiring overheating and overcurrent dual protection.
Key Features
- Compact design with dimensions: 4.2mm×8.0mm×20.0mm (plastic) / 3.8mm×7.4mm×20.0mm (metal)
- Long operational life with rapid response characteristics
- Direct bimetallic strip actuation without auxiliary mechanisms
- Automatic circuit interruption upon temperature threshold detection
- Dual protection for both overheating and overload conditions
Technical Specifications
Electrical Ratings
| Parameter | Specification |
|---|---|
| Rated Voltage/Current | AC 250V / 10A |
| Maximum Short Circuit Current | DC 12V 100A |
| Minimum Operating Current | DC 5V 10mA |
| Contact Resistance | ≤ 50 mΩ |
| Insulation Resistance | > 100 MΩ |
Temperature Characteristics
| Part Number | Operating Temperature (°C) | Reset Temperature (°C) |
|---|---|---|
| BW-50℃ | 50±5 | 30±8 |
| BW-55℃ | 55±5 | 35±10 |
| BW-60℃ | 60±5 | 40±10 |
| BW-65℃ | 65±5 | 45±10 |
| BW-70℃ | 70±5 | 45±15 |
| BW-75℃ | 75±5 | 50±15 |
| BW-80℃ | 80±5 | 55±15 |
| BW-85℃ | 85±5 | 55±15 |
| BW-90℃ | 90±5 | 60±15 |
| BW-95℃ | 95±5 | 65±15 |
| BW-100℃ | 100±5 | 65±15 |
| BW-105℃ | 105±5 | 70±15 |
| BW-110℃ | 110±5 | 75±15 |
| BW-115℃ | 115±5 | 75±15 |
| BW-120℃ | 120±5 | 80±15 |
| BW-125℃ | 125±5 | 85±15 |
| BW-130℃ | 130±5 | 90±15 |
| BW-DCM-135℃ | 135±5 | 95±15 |
| BW-DCM-140℃ | 140±5 | 100±15 |
| BW-DCM-145℃ | 145±5 | 105±15 |
| BW-DCM-150℃ | 150±5 | 110±15 |
Custom temperature specifications available upon request
Reliability Testing
| Test Type | Specification |
|---|---|
| Heat Cycling | 20°C to +90°C every 2 hours, 10+ cycles |
| Heat Resistance | 140°C for 10 hours |
| Durability | 2000 cycles at AC 220V/50Hz, COS∮=0.7 |
| Cold Endurance | -20°C for 10 hours |
| Vibration | 50Hz, amplitude 0.35mm, 90 seconds |
| Drop Impact | 1200mm height, 3 drops |
| Wire Pull Strength | ≥30N axial static tension for 5 seconds |
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dongguan Ampfort Electronics Co., Ltd.
Location
Floor 5,Changlong Industrial Building,No.6,Jiangnan Road,Jingshan,Chashan Town,Dongguan 523323,China
Contact Person
Annie Fang