Part Numbering System

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Part Numbering for Fan Products

Best Cooling Fans & Blowers
NMB’s cooling fans and blowers provide cooling solutions to your system thermal problems. The need for forced-air cooling by using an AC or DC axial fan or blower should be determined at an early stage in the system design. It is important that the design plans for good airflow to heat-generating components and allows adequate space and power for the cooling fan or blower.

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0 8 0 2 5 S A - 1 2 M - A A - 0 0
Size

Size

Part Size
025 25mm
030 30mm
035 35mm
040 40mm
045 45mm
050 50mm
052 52mm
055 55mm
060 60mm
075 75mm
080 80mm
092 92mm
095 95mm
119 119mm
120 120mm
125 125mm
127 127mm
150 150mm
172 172mm
Thickness

Thickness

Part Size
10 10mm
15 15mm
20 20mm
25 25mm
28 28mm
32 32mm
33 33mm
38 38mm
50 50mm
56 56mm
76 76mm
A0 100mm
B1 210mm
Series

Series

DC Fan
Series Previous Name
C CL
D FB
E EL
WB
G BG
BM
Motorized
J JL
K KL
M GL
ML
NL
SL
P PL
Q BT
R RL
S SB
T FT
JT
V VL
AC Fan
Series Previous Name
F FS
M MS
P PC
PS
S HS
T TS
Bearing

Bearing

DC Fan AC Fan Outer Ring Bearing
A B Steel Steel
C D Steel Ceramic
E F Stainless Stainless
G J Stainless Ceramic
S   Sleeve
M   Rational Sleeve
H   HSB Type Sleeve
Voltage

Voltage

DC Fan
Part Rated Voltage
05 5V
06 6V
09 9V
12 12V
24 24V
36 36V
48 48V
AC Fan
Part Rated Voltage
A0 100V
A1 115V
B0 200V
B2 220V
B3 230V
B4 240V
CX 3X0V
DX 4X0V
EX 5X0V
Speed

Speed

Part Speed
H 0 (slowest)
J 1
K 2
L 3
M 4
N 5
P 6
Q 7
R 8
S 9
T A (fastest)
Termination & Mounting

Termination and Mounting

DC Fan
Part Mounting Protection
A Rib -
B Coating
C Potting
E Flange -
F Coating
G Potting
N Terminal -
P Coating
Q Potting
S Single Flange -
T Coating
U Potting
W Special -
Y Coating
Z Potting
AC Fan
Part Protection Mounting Termination
A - Flange 4mm Thick Lead Wire
B Coating
C Potting
E - T Type
F Coating
G Potting
J - Flange 6mm Thick Lead Wire
K Coating
L Potting
N - T Type
P Coating
Q Potting
S - Single Flange -
T Coating
U Potting
W - Special -
Y Coating
Z Potting

Output, Speed Control and Protection

Output, Speed Control and Protection

DC Fan
Single/Two Phase Three Phase Output Signal Speed Control
Open Closed Open Closed
A C E 1 Standard Constant
B D F 2 None-Sl Variable
L N G 3 Lock or Life-S Constant
M P H 4 Variable
T V J 5 Tach Constant
U W K 6 Variable
AC Fan
Part Function Output Signal
A Impedance Protection No
B Yes
F Impedance Protection, Fuse No
G Yes
PX4 Thermal Protection No
QX4
RX4 Thermal Protection, Fuse
SX4
U Two Voltages
V Yes
W Two Voltages, Fuse No
Y Yes
Custom

Custom

Number Feature
00 Standard
01-99 Custom
One Digit Fan Blade
One Digit OEM