Basic Specifications

• Rated power: 0.37 kW (0.5 HP)

• Poles / Speed: 4‑pole; 1500 rpm @50 Hz, 1720 rpm @60 Hz

• Voltage: 230/400 V (50 Hz); 277/480 V (60 Hz)

• Frame: IEC 71 (shaft height 71 mm)

• Shaft: Ø14 mm × 30 mm, key 5×22 mm

• Protection: IP55 (dust‑tight, splash‑proof)

• Insulation class: F (155 °C)

• Mounting: B3 (foot‑mounted), B5 (flange) optional

• Weight: ~13 kg

• KS suffix: Special shaft / non‑standard flange (SEW special version)

Construction & Features

• Design: Totally enclosed fan‑cooled (TEFC)

• Duty: S1 (continuous)

• Efficiency: Standard efficiency (IE1, legacy)

• Options: No brake; “KS” indicates modified shaft/flange for specific applications

Compatibility & Replacement

• Replacement: DRS71S4 (0.37 kW, 4‑pole, IE3 premium efficiency)eero

• Use case: General machinery, conveyors, pumps, fans (light‑duty)

Notes

• DFT71D4‑KS is a special KS variant of the standard DFT71D4 motor.

• It is obsolete; for new projects, use DRS71S4 or equivalent modern SEW motorseero。