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Type Gearbox
Applicable antenna types Radar Antenna families 18 - 31 ft
Maximum Antenna weight 500 kg
Rotational speed antenna shaft (fixed) Available in the range from 10 to 60 rpm
Motor type 3-phase, 2,4,6 or 8-pole, squirrel cage
Power supply 230/400 VAC or 400/690 VAC
Motor power 1.1 up to 5.5 kw (optional)
Lubrication Mineral oil and grease
Environmental temperature range -25 to +50°C
Sound pressure level < 60 dBA (at 20 rpm)
Weight including oil Approx. 315 kg
(430 kg including support)
Dimensions Ø 1050 x 1083 mm (including support)
Standard features
One channel rotary joint for X-band with through going shaft
Single channel rotary shaft encoder with 4096 azimuth count pulses
Time Between Overhaul 10 years
Thermostat for gearbox heating
Gearbox heating
Available options
Cylindrical support for platform mounting of the Antenna Turning Unit
Spark subassembly for integrated lightning protection
Cold weather package for operation at temperatures down to -40°C
Oil level sensor
Slip ring unit (up to five rings), e.g. for antenna polarization control
Anti-vibration and noise suppressing mounting ring
Antenna tilt ring fixed or adjustable up to 10 degrees
Frequency inverter with integrated soft starter for speed control and smooth starting and stopping
Single channel rotary encoder with 8192 azimuth count pulses
Dual rotary encoder assembly (tandem encoder)
Antenna Turning Unit type ST2