12:1 planetary gearbox — torque and duty
The GBX0800121003F is a straight-tooth planetary gearbox in the GBX series, 80 mm diameter, with a 12:1 reduction ratio. It delivers a continuous output torque of 120 N.m at 100 rpm and 30 °C, and a maximum output torque of 192 N.m at the same speed and temperature. Efficiency is 94 %, and the rated service life is 30,000 hours at 100 rpm and 30 °C. The gearbox is lubricated for life — no periodic oil changes needed in the field.
Mechanical limits and mounting
Maximum axial force (Fa) is 1200 N at 100 rpm for a 10,000-hour life, or 900 N for the full 30,000-hour rating. Maximum radial force (Fr) is 950 N at 100 rpm for 10,000 hours, dropping to 650 N for 30,000 hours — both applied at mid-distance from the output shaft. Torsional backlash is 14 arc.min maximum. The housing is black anodized aluminium, shaft material is C45 steel, and the shaft output seal is rated IP54 — splash-resistant but not washdown-rated. Noise level at 1 m, no-load, is 60 dB.
Obsolete — sourcing through independent channels
Schneider Electric has marked the GBX0800121003F as obsolete. Available through independent surplus and broker channels. No stock-holding claim is made — sourced per inquiry.