80:1 planetary reduction — torque and duty cycle
The GBX1200801404F is a straight-tooth planetary gearbox with an 80:1 reduction ratio, sized for a 120 mm housing diameter. Continuous output torque is 260 N.m at 100 rpm and 30 °C, with a maximum intermittent rating of 416 N.m under the same conditions — the margin between continuous and peak tells you the duty-cycle headroom for acceleration or shock loads. Service life is rated at 30,000 hours at 100 rpm and 30 °C, lubricated for life — no field regreasing interval to schedule. The torsional rigidity of 12 N.m/arcmin and maximum backlash of 14 arcmin define the positioning repeatability for indexing or servo-follower applications.
94 % efficiency — thermal and noise profile
Efficiency is listed at 94 %, which means roughly 6 % of the input power dissipates as heat inside the housing. For a 260 N.m continuous output at 100 rpm (about 2.7 kW mechanical), the thermal loss is around 170 W — the black anodized aluminium housing sheds that without forced cooling in most machine-tool and conveyor environments. Noise level is 65 dB at 1 m, no-load — a straight-tooth planetary at 80:1 typically runs louder than helical, but 65 dB is below the 70 dB threshold most panel-builders treat as the line for hearing-protection zones. The IP54 shaft output seal keeps washdown spray out of the bearing cavity, though the housing itself is not fully sealed.
Obsolete — sourcing through independent channels
Schneider Electric has marked the GBX1200801404F as obsolete. The part is available through independent surplus and broker channels — quantities are lot-specific and confirmed at RFQ. Confirm the overhung load on the output shaft against these figures before committing the replacement.