- All
- Product Name
- Product Keyword
- Product Model
- Product Summary
- Product Description
- Multi Field Search
 |
WBLF-1251-BS4950-E replace BBL504
Sunlight
| Voltage: | |
|---|---|
| Quantity: | |
It is 24V & suction aiflow & 4400rpm & 4300m3/h & IP68 & PWM control
| Max Fan Speed | 4400rpm |
| Min Fan Speed | 2000rpm |
| Weight | 2.2KG |
| Operating supply voltage rang | 16V -32V |
| Operating working temperature range | -40°C - 85°C |
| Storage temperature range |  -40°C - 120°C |
| Life time | up to 40000 hours depending on duty profile |
| Time from 0 rpm to max speed | 8 seconds |
| IP grade | IP68 |
| Specification | Value |
|---|---|
| Motor wiring | Black wire = Positive, Brown wire = Negative; Clockwise rotation |
| Axial clearance | ≤ 0.25 mm |
| Pressure test | 660 VAC, 1s, 5 mA |
| Protection grade | IP68 |
| Insulation class | H |
| Insulation resistance | ≥ 20 MΩ (500 VDC) |
| Operating temperature | –40 °C ~ +85 °C |
| Humidity tolerance | 0–100% |
| Operating life | ≥ 25,000 hours |
| Vibration resistance | 20 ms, 5G |
| Rated voltage | 24 VDC (Range: 16-32 VDC) |
| Fuse rating (controller) | 30 A |
| Lead length | 500 ±20 mm, with Ø8 mm PVC tube, length 450 mm |
| Power line model | UL1015, 12 AWG |
| Weight | Approx. 3 kg |
Note: the blue line is current & the orange line is airflow
High airflow output in compact 12-inch form
Drop-in replacement for SPAL BBL504
IP68 sealed for harsh environments
Brushless design = high efficiency, low maintenance
Responsive PWM speed control
Built-in protections and EMC design
Reliable performance under vibration and temperature extremes
Suitable for:
Cooling radiators / condensers on trucks & buses
Retrofit replacement for SPAL BBL504
EV / hybrid vehicle cooling modules
Heavy machinery, industrial cooling systems
Refrigeration vehicles / reefers
Any system requiring high airflow in 12-inch format
IATF I16949:2016 Certificate
IATF 16949:2016 Certificate
EMC Certificate 
CE certificate
Q1: What is the current draw at full load?
A1: Around 35 A at 24V under rated operating conditions (varies with system resistance).
Q2: What protections are in the controller?
A2: Includes reverse polarity protection, over-current protection, soft-start, and thermal protection.
Q3: Does it meet EMC standards?
A3: Yes; tested per CISPR 25 / ISO 7637 / ISO 16750, suitable for vehicle systems.
Q4: How is noise tested & what is typical level?
A4: Measured in semi-anechoic chamber at 1 m per ISO 3744; typical noise ~80-85 dB(A), depending on installation.
Q5: What is its rated lifespan?
A5: Designed for up to 40,000 hours (depending on duty cycle and ambient conditions).
Q6: What environmental performance limits exist?
A6: Operating –40 °C to +85 °C, storage up to +120 °C, humidity 0–100%, IP68 sealed, vibration up to 5G.
It is 24V & suction aiflow & 4400rpm & 4300m3/h & IP68 & PWM control
| Max Fan Speed | 4400rpm |
| Min Fan Speed | 2000rpm |
| Weight | 2.2KG |
| Operating supply voltage rang | 16V -32V |
| Operating working temperature range | -40°C - 85°C |
| Storage temperature range | -40°C - 120°C |
| Life time | up to 40000 hours depending on duty profile |
| Time from 0 rpm to max speed | 8 seconds |
| IP grade | IP68 |
| Specification | Value |
|---|---|
| Motor wiring | Black wire = Positive, Brown wire = Negative; Clockwise rotation |
| Axial clearance | ≤ 0.25 mm |
| Pressure test | 660 VAC, 1s, 5 mA |
| Protection grade | IP68 |
| Insulation class | H |
| Insulation resistance | ≥ 20 MΩ (500 VDC) |
| Operating temperature | –40 °C ~ +85 °C |
| Humidity tolerance | 0–100% |
| Operating life | ≥ 25,000 hours |
| Vibration resistance | 20 ms, 5G |
| Rated voltage | 24 VDC (Range: 16-32 VDC) |
| Fuse rating (controller) | 30 A |
| Lead length | 500 ±20 mm, with Ø8 mm PVC tube, length 450 mm |
| Power line model | UL1015, 12 AWG |
| Weight | Approx. 3 kg |
Note: the blue line is current & the orange line is airflow
High airflow output in compact 12-inch form
Drop-in replacement for SPAL BBL504
IP68 sealed for harsh environments
Brushless design = high efficiency, low maintenance
Responsive PWM speed control
Built-in protections and EMC design
Reliable performance under vibration and temperature extremes
Suitable for:
Cooling radiators / condensers on trucks & buses
Retrofit replacement for SPAL BBL504
EV / hybrid vehicle cooling modules
Heavy machinery, industrial cooling systems
Refrigeration vehicles / reefers
Any system requiring high airflow in 12-inch format
IATF I16949:2016 Certificate
IATF 16949:2016 Certificate
EMC Certificate CE certificate
Q1: What is the current draw at full load?
A1: Around 35 A at 24V under rated operating conditions (varies with system resistance).
Q2: What protections are in the controller?
A2: Includes reverse polarity protection, over-current protection, soft-start, and thermal protection.
Q3: Does it meet EMC standards?
A3: Yes; tested per CISPR 25 / ISO 7637 / ISO 16750, suitable for vehicle systems.
Q4: How is noise tested & what is typical level?
A4: Measured in semi-anechoic chamber at 1 m per ISO 3744; typical noise ~80-85 dB(A), depending on installation.
Q5: What is its rated lifespan?
A5: Designed for up to 40,000 hours (depending on duty cycle and ambient conditions).
Q6: What environmental performance limits exist?
A6: Operating –40 °C to +85 °C, storage up to +120 °C, humidity 0–100%, IP68 sealed, vibration up to 5G.
