Brushless motor 28ZWWC52

DCBLDC12 V

Overview
Slotless 28 mm BLDC motor engineered for smooth low- and high-speed operation. Model 28ZWWC52 is available in multiple voltage and pole-pair variants; the 24 V variant is rated 37 W with rated torque 50 mN·m and peak torque up to 375 mN·m. Suitable for servo, motion-control and compact industrial drives.

Motor characteristics

• Model: 28ZWWC52
• Rated voltage: 12 / 24 / 36 / 48 / 24 V (variant-dependent)
• Rated power: 30–37 W (variant-dependent); Rated torque: up to 50 mN·m; Peak torque: up to 375 mN·m
• Pole pairs: 1 or 2; Winding connection: star (Y); Feedback: Hall sensors; Commutation angle: 120°
• Terminal R/L (phase-phase), speed, current and efficiency vary by variant; typical weight: 170 g
• Insulation class: B; Insulation strength: 500 VAC / 1 kHz / 1 mA / 1 s; Insulation resistance: 100 MΩ / 500 VDC

Dimensional drawing
Dimensional drawings and front/side views available for the 28 mm slotless series. Downloadable CAD and mounting interface details provided to support mechanical integration.

Torque performance curves
Torque vs speed curves supplied for 1 pole-pair and 2 pole-pair variants to aid motor selection and controller tuning. Curves include torque, power and efficiency across speed ranges.

Options

• Precision planetary gearbox (multiple stages and gear ratios)
• Silent planetary gearbox option

Precision planetary gearbox - key data
Available stages 1–4 with reduction ratios from ~3.9 to 794:1. Continuous and peak output power, maximum continuous and peak torque, max input speeds and efficiencies vary by stage; peak gearbox efficiency up to 90%. Refer to gearbox table for detailed limits and dimensions.

Technical specifications

• Brand: DINGS
• Model: 28ZWWC52
• Type: 28 mm slotless BLDC (hollow-cup)
• Rated power: up to 37 W
• Rated torque (24 V variant): 50 mN·m
• Peak torque: up to 375 mN·m
• Rated speed (24 V variant): 7000 RPM; No-load speed: 8500 RPM
• Rated current: 2 A; Peak current: 15 A
• Bearings: deep groove ball; End bell: stainless steel; Shaft: carbon steel; Magnet: sintered NdFeB

Notes
Complete performance tables, CAD files and gearbox order codes are available on the product page or from DINGS technical support for system integration and procurement.