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  • September 05, 2026

100W (1/8HP) Gear Motor Dimensions – CH18 / CV18 Series Horizontal & Vertical Mounting Drawing


100W (1/8HP) Gear Motor Dimensions – CH18 / CV18 Series Horizontal & Vertical Mounting Drawing

The CH18 (horizontal) and CV18 (vertical) series are 100W (1/8HP) helical gear motors, available in both foot-mounted and flange-mounted configurations. Both mounting variants are shown on a single combined installation drawing for easy comparison. This guide provides complete model codes, technical specifications, and key mounting dimensions.

Installation diagram of 100W vertical and horizontal gear motor

H2: Model Code Breakdown

Horizontal example: CH18-100-30-S | Vertical example: CV18-100-30-S

SegmentValueMeaning
CH / CVCH / CVCH = Horizontal (foot), CV = Vertical (flange)
1818Output shaft diameter: 18mm
100100Motor power: 100W (1/8HP)
3030Reduction ratio: 1:30
-SS3-phase 220V/380V, 50/60Hz
H2: Technical specifications for small motors
ParameterValue
Rated Power100W (1/8HP)
Output Shaft Diameter18mm
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 (18mm – Common to Both CH & CV)
DimensionValue (mm)
Shaft Diameter (P)18
Shaft Length (Q)30
Keyway Width (W)5
Key Size5 × 5 × 27

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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