1238-7

Motor structure: poles of AC motor are shaded.

Outer enclosure: high quality Al alloy, anticorrosive and anti damping structure.

Fan blade: plastic sprayed, formed in a procedure, UL94V0 70% P.B.T.+30% F.R.P.

Bearing structure: Oil flled bearing or ball bearing.

Insulation level: B class.

Insulation resistance: more than 100M 2 between outer enclosure and windings

applied with 500VDC.

Dielectric strength: 0.5mA 1 500V/AC min.

Safe protection: Resistance protection.

Working temperature: oil flledl type: -10°C ~ +45C. Ball bearing: -20C ~ +70°C.

Storage temperature: -40C ~ +70°C.

Service life: Oil: 25000h

ball: 50000h.

Use: used in equipment of ventilation and heat

dispersion Places, such as electrical control cabinet, machine tool, EPS, UPS, Medical

equipment needs ventilation cooling.