GH28-400-30-S Vertical Gear Motor Model Code and Installation Method
GH28-400-30-S Vertical Gear Motor – Complete Model Code, Mounting Dimensions & Specification
The GV28-400-30-S is a vertical (flange-mounted) helical gear motor from the G-series family, offering a compact, high-efficiency drive solution for industrial applications requiring reliable torque transmission in space-constrained layouts. This article provides a complete breakdown of the model code, key technical specifications, mounting configuration, and application guidance.
Key takeaway: GH28-400-30-S = Vertical mounting + 28mm output shaft + 400W motor + 1:30 reduction ratio + three-phase power supply.
Technical parameters of foot mounted gearbox gear motor：
| Parameter | Value |
| Model | GV28-400-30-S |
| Mounting Type | Vertical (flange-mounted) |
| Motor Power | 400W (0.4kW / 1/2HP) |
| Motor Speed | 1420 RPM (50Hz) |
| Output Speed | ~47 RPM |
| Reduction Ratio | 1：30 |
| Output Shaft Diameter | 28mm |
| Shaft Length | 45mm |
| Key Size | 7mm × 7mm × 40mm |
| Voltage | 3-phase 220V/380V, 50/60Hz |
| Protection Class | IP44 / IP54 (depending on configuration) |
| Housing Material | Aluminum alloy ADC-12 (frame size ≤28) |
| Gear Type | Hardened helical gears |
| Noise Level | ≤65 dB |
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