the following example is for you reference.

Specification:
DC fan, 24V,
Model No. RDH1232B
Ball bearing, 3750rpm,
120.4cfm, 10.70mmH2O, 51dba
2 wires with auto restart function
UL/CUL/TUV/CE approval
ROHS

 

 

Features available:
1.Different speed to meet different request,Model no. RDM1232B, RDL1232B
2. 12V and 48V available for different request;
3. 3 wires optional for tachometer output or rotation detector;
    4 wires optional for PWM + tachometer output;  

 

Safety:

UL/CUL/TUV/CE

Life time:

Ball bearing type: 70,000hours, while fan works at room temp, and 15%~65% RH enviorments. 

 

Application:
Solar energy products, new energy products, home appliances, machinery, medical, service & telecommunications