BLDC motor 38ZWC series
48 Vframeless

BLDC motor - 38ZWC series - Jiangsu DINGS' Intelligent Control Technology - 48 V / frameless
BLDC motor - 38ZWC series - Jiangsu DINGS' Intelligent Control Technology - 48 V / frameless
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Characteristics

Type
BLDC
Voltage
48 V
Configuration
frameless
Power

0.11 kW, 0.24 kW
(0.15 hp, 0.33 hp)

Intensity

0.6 A, 2.75 A, 6.1 A, 11 A, 24.2 A

Torque

0.1 Nm, 0.23 Nm, 0.32 Nm, 0.76 Nm
(0.073756 ft.lb, 0.169639 ft.lb, 0.23602 ft.lb, 0.560547 ft.lb)

Rotational speed

10,190 rpm, 10,470 rpm, 13,000 rpm
(64,025.6583 rad.min-1, 65,784.9502 rad.min-1, 81,681.409 rad.min-1)

Diameter

18 mm, 38 mm
(0.71 in, 1.5 in)

Description

Overview
The 38 mm frameless BLDC motor features a modular stator and rotor design with optimized slot ratios to increase torque density. The rotor provides a large inner bore and the stator is designed for customer-embedded installation, enabling tailored integration of mounting structures and cooling solutions. The optimized slot–pole combination reduces cogging torque for smooth operation. The overall structure is compact and highly integrated.

Key motor specifications
Motor part numbers: 38ZWC15X-1 / 38ZWC22X-7
Stator outer diameter: 38 mm (±0.019)
Rotor inner diameter (bore): 18 mm (+0.018)
Overall length (L): 11.3 mm / 18.3 mm
Stack length (L1): 0.55 mm / 1.05 mm
Rotor length (L2): 8.1 mm / 16.1 mm
Slots / Pole pairs: 12 / 7
Phase-to-phase resistance: 0.8 Ω / 0.14 Ω
Phase-to-phase inductance: 0.9 mH / 0.185 mH
No-load speed: 13000 RPM
No-load current: 0.6 A (REF)
Rated voltage: 48 VDC
Rated power: 110 W / 245 W
Rated torque: 0.1 N·m / 0.23 N·m
Rated speed: 10470 RPM / 10190 RPM
Rated current: 2.75 A / 6.10 A
Torque constant: 0.035 Nm/A / 0.039 Nm/A
Back-EMF constant (Vrms/Krpm): 2.6 / 2.88
Peak torque: 0.32 N·m / 0.76 N·m
Peak current: 11 A / 24.2 A
Rotor inertia: 10 g·cm² / 20 g·cm²
Stator weight / Rotor weight: 50 g / 10 g (38ZWC15X-1) ; 87 g / 20 g (38ZWC22X-7)

Dimensional and wiring details
Lead-out type: UL1332 AWG20
Lead-out color coding: Yellow = U phase; Red = V phase; Black = W phase
Dimensional drawings and mounting drawings available for both variants.

Technical features
  • Product family: 38ZWC series (38ZWC15X-1 short / 38ZWC22X-7 long)
  • Frameless design for embedded installation
  • Stator outer diameter: 38 mm (±0.019); rotor bore: 18 mm (+0.018)
  • Slots / pole pairs: 12 / 7; commutation angle: 120°
  • Winding: Star connection; insulation class: F
  • Electrical ratings: 48 VDC; rated power 110 W / 245 W; rated current 2.75 A / 6.10 A
  • Performance: low cogging torque, high torque density, no-load 13000 RPM
  • Insulation withstand: 1200 VAC / 1s / 3 mA; insulation resistance: 50 MΩ / 500 VDC
  • Lead-out: UL1332 AWG20 with phase color coding

Catalogs

Exhibitions

Meet this supplier at the following exhibition(s):

SPS 2026
SPS 2026

24-26 Nov 2026 Nuremberg (Germany) Hall 1 - Stand 640

  • More information
    *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.