CUI DEVICES | SERIES: CBM-50CF | DESCRIPTION: DC BLOWER

date 05/04/2023 | page 5 of 7

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MECHANICAL

parameter

conditions/description

min

typ

max

units

motor

4 pole DC brushless

bearing system

omniCOOL™

direction of rotation

counter-clockwise viewed from front of fan blade

dimensions

51.2 x 51.6 x 15

mm

material

PBT (UL94V-0)

weight

weight varies by model

27.28

31.4

g

MECHANICAL DRAWING

Notes: 9. Wires only present on versions with output signals.

MOUNTING SCREW (Pan Head)

Screw Type

Size

Standard

Torque

Machine Screw

M4

JIS B1111-1974

7.5 kgf-cm

Self-tapping Screw

M5

JIS B1122 Type 2

7.5 kgf-cm

units: mm

2 wire versions (+Vin & -Vin): UL 1007, 26 AWG

3 wire versions (+Vin, -Vin, & tach):UL 1061, 26 AWG

4 wire versions (+Vin, -Vin, tach, & PWM):UL 1061, 28 AWG

WIRE CONNECTIONS

Wire Color

Function

Red

+Vin

Black

-Vin

Yellow9

Tach Signal

Blue9

PWM

Additional Resources: Product Page