High Quality Automatic 12v dc Temperature Controlled Damper Thermostat for Refrigerator Parts
High Quality Automatic 12v dc Temperature Controlled Damper Thermostat for Refrigerator Parts
FMB-BFC1 damper thermostat is used to regulate the airflow of household refrigerating appliances.Nomally it is assorted with the electronic thermostat as important refrigerator spare parts to adjust the temperature of refrigerator. FSTB, Chinese largest manufacturer of thermostat, can be your best choice of wholesale survice.
Advantages
- Airflow infinite intelligent adjustment
- Low noise
- High performance in low temperature
- Safety assurance for refrigerator
Parameter
|
Item |
Specification |
Remark |
|
Number of phase |
2 phase |
|
|
Step angle |
Motor:7.5° Plate:0.05° |
|
|
Step number |
Close to open: 1750step Open to close and lock: 1850step |
|
|
Rating |
DC12V±1V, <60mA, 300PPS |
|
|
Type of Drive |
2Phase, Bipolar |
|
|
Coil Resistance |
415Ω±10%/phase |
at 25℃ |
|
Temp rise of coil |
≤65k |
|
|
Insulation resistance |
≥100MΩ |
|
|
Withstand Voltage |
600V for 1sec. (cut-off current 0.5mA) |
|
|
Insulation class of Motor |
Class E |
|
|
MAX. rate |
≥400PPS |
|
|
Pull out torque |
≥1000gf·cm |
|
|
Detent torque |
≥500gf·cm |
|
|
Heater |
12vdc,1w resistance:144±10%Ω |
at 25℃ |
Wires and Drive Circuit
|
Terminal NO. |
CW ROTATION |
STEP |
||||
|
Housing Name |
Wire Color |
1 |
2 |
3 |
4 |
|
|
3 |
A |
Blue |
+ |
- |
- |
+ |
|
2 |
B |
Red |
+ |
+ |
- |
- |
|
6 |
`A |
White |
- |
+ |
+ |
- |
|
5 |
`B |
Yellow |
- |
- |
+ |
+ |
Stucture of FMB-BFC damper control
Installation and direction
1. Avoid the distortion of electric damper. Do not carry the electric damper by leads.
2. Make sure the insertion and extraction force between terminal connectors and bolt meets relevant criteria.
3. Use specialized drive power for stepping motor. Distinguish leads by referring to the wiring diagram of electric damper.
4. Reserve enough space for the mounting cover plate to prevent interference with the foam
during operation.
5. Do not move the damper plate compulsively in case distortion.
6. The length of leads and the type of connector can be customized in your need.
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