Bi Metal 65Deg C BK05-BB1D Micro Thermal Cutoff Switch, Temperature
Switch
Quick Detail:
| Model | BK05-BB1D |
| Reset Type | Auto Reset |
| Single Pole,Single Throw(SPST) |
| Case Material: | Plastic or Metal |
| Rated Voltage & Current | DC12V/12A DC24V/10A,AC125V/8A AC250V/5A |
| Contact Type | Normally Closed(Open on Rise) or Normally Open(Close on Rise) |
| Operating Temperature Range | 30～155℃ |
| Temperature tolerance | ±3/±5℃ |
| Contact Resistance | ≤50mΩ |
| Insulation Resistance | ≥100MΩ |
| Dielectric Strength | ≥1500V |
| Life Cycle | 10,000 Cycles |
| Certificate | CQC,TUV,UL,VDE,ROHS,REACH |
Description:
BK05-BB1D bimetal thermal protector uses high sensitive disk-shaped bimetal strip as the temperature-sensing element. It is composed of bimetal strip, moveable contact, stationary contact piece, fixed base, moveable spring piece, case and temperature
resistance lead wire.The bimetal strip is fixed on the base, which
can maintain the consistency of disconnection and reset temperature
after long-term use. Its' main function is overheating, overload
protection.
Working principle: when the temperature rises to a certain value,
the bimetal strip will instantly jump off and the contact will move
quickly to disconnect the circuit. When the temperature falls to a
certain value, the bimetal strip will be reset and the contact will
return to the original state to achieve the purpose of switching
the circuit. Its light weight, compact design maintains the
lightweight, sealed housing of the whole device, and is resistant
to drying, maintaining the accuracy and high reliability of
disconnection and reset throughout its life.
Product features: BK05-BB1D theraml cutoff switch is a temperature
control switch developed by imported thermal bimetal, with small
size, rapid action, accurate temperature control and long life
cycle.
Specifications:
1. Dimensional Outline
2. Structural Drawing
| No. | Part Name | Material | Qty |
| 1 | Lead wire | 0.75mm² black silicon wire | 2 |
| 2 | Sealing | Epoxy resin | A few |
| 3 | Insulation blcok | Ceramic | 1 |
| 4 | Moveable contact | AgNi10/Cu | 1 |
| 5 | Moveable spring piece | Beryllium bronze | 1 |
| 6 | Case | Plastic | 1 |
| 7 | Stationary Contact piece | AgNi10/Cu | 1 |
| 8 | Base | Brass H62 | 1 |
| 9 | Bimetal strip | BR-1 | 1 |
3. Action Temperature Table
| No. | Action Temperature | Reset Temperature | No. | Action Temperature | Reset Temperature |
30 | 30±3℃ | ≥20℃ | 95 | 95±5℃ | 70±15℃ |
| 35 | 35±3.5℃ | ≥25℃ | 100 | 100±5℃ | 70±15℃ |
| 40 | 40±4℃ | ≥30℃ | 105 | 105±5℃ | 75±15℃ |
| 45 | 45±4.5℃ | ≥33℃ | 110 | 110±5℃ | 75±15℃ |
| 50 | 50±5℃ | ≥35℃ | 115 | 115±5℃ | 80±15℃ |
| 55 | 55±5℃ | 42±6℃ | 120 | 120±5℃ | 85±15℃ |
| 60 | 60±5℃ | 45±8℃ | 125 | 125±5℃ | 85±15℃ |
| 65 | 65±5℃ | 48±10℃ | 130 | 130±5℃ | 90±15℃ |
| 70 | 70±5℃ | 50±12℃ | 135 | 135±5℃ | 95±15℃ |
| 75 | 75±5℃ | 53±14℃ | 140 | 140±5℃ | 100±15℃ |
| 80 | 80±5℃ | 55±15℃ | 145 | 145±5℃ | 100±15℃ |
| 85 | 85±5℃ | 60±15℃ | 150 | 150±5℃ | 105±15℃ |
| 90 | 90±5℃ | 65±15℃ | 155 | 155±5℃ | 110±15℃ |
Applications:
• Shaded Pole Motor
• Permanent split capacitor motor
• Fluorescent lighting ballasts
• HID ballasts
• Transformer
• Recessed lighting fixtures
• Battery packs
• Vacuum cleaners
• Automotive accessory motors, solenoids, PC boards
Competitive Advantages:
• Miniature size.
• Positive make and break with snap action disc.
• Repeatable temperature performance over life.
• Wide selection of leads and insulating sleeves.
• Cadmium free contacts.
Tag:
Bimetal Thermal Switch, Temeprature Cutout Switch, Thermal Cut-off
Switch, Overheat Protector
