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  • September 06, 2026

400W (1/2HP) Gear Motor Dimensions – CH28 / CV28 Series Horizontal & Vertical Mounting Drawing


400W (1/2HP) Gear Motor Dimensions - CH28/CV28 Series Horizontal and Vertical Installation Drawings

The CH28 (horizontal) and CV28 (vertical) series are 400W (1/2HP) helical gear motors with two configurations: base mounted and flange mounted. This guide provides complete model codes, technical specifications, and key installation dimensions.

400W Gear Motor Drawing

H2:Three-Phase AC Motor model Code Breakdown

Horizontal example: CH28-400-30-S | Vertical example: CV28-400-30-S

SegmentValueMeaning
CH / CVCH / CVCH = Horizontal (foot), CV = Vertical (flange)
2828Output shaft diameter: 28mm
400400Motor power: 400W (1/2HP)
3030Reduction ratio: 1:30
-SS3-phase 220V/380V, 50/60Hz
H2: Geared Motor technical Specifications


ParameterValue
Rated Power400W (1/2HP)
Output Shaft Diameter28mm
Reduction Ratios3 : 1 to 1800 : 1
Housing MaterialAluminum alloy (ADC-12)
Gear TypeHardened helical gears
Insulation ClassClass F
Protection ClassIP54
Voltage3-phase 220V/380V, 50/60Hz

H2: Output Shaft Dimensions (28mm – Common to Both CH & CV)



DimensionValue (mm)
Shaft Diameter (P)28
Shaft Length (Q)45
Keyway Width (W)7
Key Size7 × 7 × 40

H2: Ac Electric Gear Motor applications

  • Medium-duty conveyor systems

  • Packaging machinery

  • Material handling equipment

  • Food processing equipment

  • Textile machinery

Request the Complete Installation Drawing – Contact our engineering team with your required ratio and voltage. We will send you the combined CH/CV dimension sheet within 24 hours.

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