Gearbox type Helical gearbox Parallel shaft gearbox Bevel helical gearbox Connection voltage 3AC 230/400/500/690V Degree of protection IP55 Output speed Catalog 1-stage η = 0,50 ... 0,90 depending on the transmission ratio 2KJ17 Self-ventilated Cooling Torque Worm gearbox Aluminum ≤ 15kW Cast-iron > 15kW Material Efficiency Helical worm gearbox 2KJ10/11/12 2KJ13/14 2KJ15 2-stage η = 0,60 ... 0,90 depending on the transmission ratio 2KJ16 20.000 Nm 20.000 Nm 20.000 Nm 1.590 Nm 224 Nm 0,05 ... 1088 Urpm 0,05 ... 365 Urpm 0,05 ... 365 Urpm 0,05 ... 148 Urpm 14 ... 201 Urpm 1 - 3 stage η = 0,98 ... 0,94 2 - 3 stage η = 0,96 ... 0,94 DA 87.1