The PGC Series of planetary gearboxes, with 5 arc-min of backlash as standard, can also be supplied with 1 arc-min. The PGC Series can have ratios from 5:1 to 10,000:1. The IP55- rated gearboxes have 5:1 to 10,000:1 ratios, are designed for 24/7 operation, and can be supplied with shaft input.