What does the 90S frame designation mean?

The 90S designation identifies the IEC frame size and length used for this motor. Always confirm the dimensional drawing and required mounting configuration before replacing an existing motor.

What speed does this 0.37kW 8 pole motor run at?

The full-load speed is approximately 700 RPM at 50Hz.

What mounting types are available?

This product is offered in B3 foot mount, B5 flange mount, B14 face mount, B34 foot and face mount, and B35 foot and flange mount configurations.

Is this motor suitable for continuous operation?

Yes. The Techtop datasheet specifies S1 continuous duty.

What is the shaft diameter?

The standard shaft diameter for the 90S frame is 24 mm. Check the dimensional drawing before ordering for replacement applications.

Does this motor have thermal protection?

Thermal protection is available upon request according to the Techtop datasheet.

• Brand: Techtop
• Series: TAI
• Output: 0.37kW
• Phase: Three Phase
• Poles: 8 Pole
• Frame Size: 90S
• Voltage: 230/415V 50Hz
• Full Load Speed: 700 RPM
• Full Load Current @ 400V: 1.41 A
• Full Load Torque: 4.98 Nm
• Efficiency @ 100% Load: 64.4%
• Power Factor @ 100% Load: 0.59
• Construction: Aluminium, TEFC
• Protection: IP55
• Insulation: Class F with Class B rise
• Duty: S1 Continuous
• Shaft Diameter: 24 mm
• Bearings: NSK 6205ZZ / 6205ZZ C3
• Motor Mass: 11.4 kg
• IEC Standard: IEC 60034 & IEC 72

• Robust aluminium construction for a compact, lightweight industrial motor.
• IP55 TEFC design for dependable protection in workshop and industrial environments.
• S1 continuous-duty rating for applications requiring extended operating periods.
• NSK ball bearings for dependable rotating performance.
• Multiple IEC mounting configurations: B3, B5, B14, B34 and B35.
• Suitable for pumps, fans, conveyors, machinery and general industrial drives.
• Technical datasheet and testing report available for installation and replacement checks.