Planetary gearbox, 9:1 reduction, 210 N.m continuous — now obsolete
The Schneider Electric GBX1200090554F is a planetary gearbox with straight teeth, 120 mm external diameter, and a 9:1 reduction ratio. It delivers 210 N.m continuous output torque at 100 rpm and 30 °C, with a maximum of 336 N.m under the same conditions. Efficiency is listed at 94 %, and the unit is lubricated for life — no maintenance oil changes over its 30,000-hour service life at rated speed and temperature. Schneider has marked this gearbox as obsolete.
Torque, backlash, and load ratings that govern the fit
Continuous output torque is 210 N.m (1858.7 lbf.in) at 100 rpm and 30 °C; the maximum output torque reaches 336 N.m (2973.8 lbf.in) under the same conditions — the margin between continuous and peak covers acceleration and intermittent overloads. Maximum torsional backlash is 12 arc.min, and torsional rigidity is 13 N.m/arcmin — these numbers define positioning repeatability in indexing or pick-and-place applications where the load reverses direction. Maximum radial force Fr is 1500 N at 100 rpm for the 30,000-hour life target, rising to 2000 N for a 10,000-hour duty. Maximum axial force Fa is 2100 N at the same speed for 30,000 hours, or 2800 N for 10,000 hours. These are the limits for overhung loads on the output shaft. The shaft output seal carries IP54 protection — suitable for indoor environments with dust and light splash, but not for washdown or submersion.
Sourcing an obsolete planetary gearbox
The GBX1200090554F is discontinued by Schneider Electric with no direct replacement order code published. Sourcing runs through independent distribution channels — quantities are confirmed per RFQ, and the landed cost depends on lot availability at the time of inquiry.