W3G300-BV25-21 EC axial fan

with brushless DC motor

Automotive

ebm-papst Mulfingen GmbH & Co. KG

Bachmühle 2 · D-74673 Mulfingen
Phone +49 7938 81-0
Fax +49 7938 81-110
info1@de.ebmpapst.com
www.ebmpapst.com
Limited partnership · Headquarters Mulfingen
Amtsgericht (court of registration) Stuttgart · HRA 590344

General partner Elektrobau Mulfingen GmbH · Headquarters Mulfingen

Amtsgericht (court of registration) Stuttgart · HRB 590142

Nominal data

Type W3G300-BV25-21
Motor M3G084-BF

Nominal voltage VDC 26

Nominal voltage range VDC 16 .. 32

Method of obtaining data fa

Speed (rpm) min-1 3940
Power consumption W 380
Current draw A 14.6
Min. ambient temperature °C -40
Max. ambient temperature °C 85/110
ml = Max. load · me = Max. efficiency · fa = Free air · cs = Customer specification · ce = Customer equipment
Subject to change

Data according to ErP Directive

Actual Req. 2015

01 Overall efficiency ηes % 44.8 31.5 09 Power consumption Pe kW 0.46

02 Measurement category A 09 Air flow qv m³/h 2205
03 Efficiency category Static 09 Pressure increase pfs Pa 306
04 Efficiency grade N 53.3 40 10 Speed (rpm) n min-1 3720
05 Variable speed drive Yes 11 Specific ratio* 1.00
*
Data obtained at optimum efficiency level. Specific ratio = 1 + pfs / 100 000 Pa LU-137152
The ErP data is determined using a motor-impeller combination in a standardized measurement setup.

Item no. 51855-5-9980 · ENU · Change 89187 · Approved 2016-04-30 · Page 1 / 5

ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com
 W3G300-BV25-21 EC axial fan
with brushless DC motor
Automotive

Technical description

Weight 2 kg
Fan size 300 mm
Impeller material PA plastic
Fan housing material PA plastic
Number of blades 7
Airflow direction "V"
Balancing grade according to DIN G 10
ISO 1940-1
Direction of rotation Clockwise, viewed toward rotor
Degree of protection IP24 KM; (motor); electronics IP6K9K
Insulation class "B"
Moisture (F) / Environmental (H) F4-1
protection class
Ambient temperature note Over +85 °C with power derating
Max. permitted ambient temp. +110 °C
for motor (transport/storage)
Min. permitted ambient temp. for -40 °C
motor (transport/storage)
Installation position Any
Condensation drainage holes None, open rotor
Mode S1
Motor bearing Ball bearing; (sealed)
Life expectancy 40,000 h (typical)
Technical features - Lowering input
- Fault output (high-side switch max. 30 mA)
- INVLIN (inverse linear control input)
- Power limiter
- Load dump (58 V)
- Motor current limitation
- Soft start
- Control input 0-10 VDC / PWM
- Temperature derating
- Overvoltage detection
- Thermal overload protection for electronics
- Line undervoltage detection
EMC regulations ECE R10 Rev. 3
Electrical hookup With plug; Standby current less than 500 µA
Motor protection Reverse polarity and locked-rotor protection
With cable Lateral
Approval E1; EAC

Item no. 51855-5-9980 · ENU · Change 89187 · Approved 2016-04-30 · Page 2 / 5

ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com
 W3G300-BV25-21 EC axial fan
with brushless DC motor
Automotive

Product drawing

1 Cable with 6-pole coded plug tyco Junior Power Timer 1-962349-1
cable (460 mm) with mating connector, part no. 02002-4-1021 not included in scope of delivery
1.1 + UB (black)
1.2 GND (brown)
1.3 PWM/LIN (yellow)
1.4 INVLIN (orange)
1.5 ABSENK (blue)
1.6 Diagnostic output (white)
2 Direction of air flow "V"

Item no. 51855-5-9980 · ENU · Change 89187 · Approved 2016-04-30 · Page 3 / 5

ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com
 W3G300-BV25-21 EC axial fan
with brushless DC motor
Automotive

Connection diagram

No. Conn. Designation Function/assignment

1 UB +26 VDC Power supply 26 VDC
2 GND Power supply GND, reference ground
3 PWMLIN Analog voltage control input 0-10 V or PWM
4 INVLIN Control input, inverse linear
5 ABSENK Lowering input
6 DU Diagnostic output

Item no. 51855-5-9980 · ENU · Change 89187 · Approved 2016-04-30 · Page 4 / 5

ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com
 W3G300-BV25-21 EC axial fan
with brushless DC motor
Automotive

Curves: Air performance

pfs @ rho=1,2 kg/m³

qv [CFM]
0 200 400 600 800 1.000 1.200 1.400 1.600 1.800 2.000
650 2,6
2,5
600 2,4 Measurement: LU-141116-1
2,3
Air performance measured according to ISO
550 2,2 5801 installation category A. For detailed
2,1 information on the measurement setup,
contact ebm-papst. Intake sound level:
500 2 Sound power level according to ISO 13347 /
sound pressure level measured at 1 m
1,9 distance from fan axis. The values given are
4
450 1,8 valid under the specified measuring
conditions and may vary due to conditions of
1,7 installation. For deviations from the standard
400 1,6 configuration, the parameters have to be
checked on the installed unit.
1,5

pfs [InH2O]
350
pfs [Pa]

3 1,4
1,3
300 1,2
1,1
250 1
0,9
200 0,8
2 0,7
150 0,6
0,5
100 0,4
0,3
50 0,2
0,1
1
0 0
0 500 1.000 1.500 2.000 2.500 3.000
qv [m³/h]

Measured values
U n Ped I LpAin LwAin qv pfs qv pfs
V min-1 W A dB(A) dB(A) m3/h Pa CFM inH2O
1 26 3940 380 14.60 79 87 3225 0 1900 0.00
2 26 3815 408 15.68 79 87 2665 160 1570 0.64
3 26 3715 462 17.74 78 85 2130 325 1250 1.30
4 26 3630 495 19.01 81 88 1445 445 850 1.79
U = Power supply · n = Speed (rpm) · Ped = Power consumption · I = Current draw · LpAin = Sound pressure level intake side · LwAin = Sound power level intake side · qv = Air flow
pfs = Pressure increase

Item no. 51855-5-9980 · ENU · Change 89187 · Approved 2016-04-30 · Page 5 / 5

ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com