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Low Backlash
Backlash for 1-stage model is under 7 arc·min. Also available specification with 1 arc·min of backlash. Backlash for 2-stage model is under 9 arc·min.

High Efficiency
Efficiency for 1-stage model exceeds 97%; 2-stage model exceeds 94%.

High Input Speed
Input speed allows for 5,000 RPM.
Servobox Series Model SEL-A Planetary Reducer Gearboxes
Servobox Series Model SEL-A Planetary Reducer Gearboxes - 2
Unit of Measure
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Model Number

Ratio

Maximum Radial Force (F2rB)

Maximum Axial Force (F2aB)

SEL-A90A-40N-P1 N/A 40 N/A 3200 N N/A 1600 N
SEL-A90A-40N-P2 N/A 40 N/A 3200 N N/A 1600 N
SEL-A90A-50-Ps N/A 50 N/A 3200 N N/A 1600 N
SEL-A90A-50-P0 N/A 50 N/A 3200 N N/A 1600 N
SEL-A90A-50-P1 N/A 50 N/A 3200 N N/A 1600 N
SEL-A90A-50-P2 N/A 50 N/A 3200 N N/A 1600 N
SEL-A90A-50N-Ps N/A 50 N/A 3200 N N/A 1600 N
SEL-A90A-50N-P0 N/A 50 N/A 3200 N N/A 1600 N
SEL-A90A-50N-P1 N/A 50 N/A 3200 N N/A 1600 N
SEL-A90A-50N-P2 N/A 50 N/A 3200 N N/A 1600 N
SEL-A90A-60-Ps N/A 60 N/A 3200 N N/A 1600 N
SEL-A90A-60-P0 N/A 60 N/A 3200 N N/A 1600 N
SEL-A90A-60-P1 N/A 60 N/A 3200 N N/A 1600 N
SEL-A90A-60-P2 N/A 60 N/A 3200 N N/A 1600 N
SEL-A90A-60N-Ps N/A 60 N/A 3200 N N/A 1600 N
SEL-A90A-60N-P0 N/A 60 N/A 3200 N N/A 1600 N
SEL-A90A-60N-P1 N/A 60 N/A 3200 N N/A 1600 N
SEL-A90A-60N-P2 N/A 60 N/A 3200 N N/A 1600 N
SEL-A90A-70-Ps N/A 70 N/A 3200 N N/A 1600 N
SEL-A90A-70-P0 N/A 70 N/A 3200 N N/A 1600 N
SEL-A90A-70-P1 N/A 70 N/A 3200 N N/A 1600 N
SEL-A90A-70-P2 N/A 70 N/A 3200 N N/A 1600 N
SEL-A90A-70N-Ps N/A 70 N/A 3200 N N/A 1600 N
SEL-A90A-70N-P0 N/A 70 N/A 3200 N N/A 1600 N
SEL-A90A-70N-P1 N/A 70 N/A 3200 N N/A 1600 N
Unit of Measure
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