Rotating jib (SJ30 ARJE only). Direct AC electric drive. Dual spring applied, electromagnetically released brakes. Regenerative braking. Speed and angle sensing traction control. 48V 305 Ah battery pack. 28 mph (12.5 m/s) wind rating. DC powered emergency lowering. Secondary guarding electrical (SGE). Drivable at full height. 355° Non-continuous turret rotation. 35% Gradeability. Swing out battery trays. Swing out cowlings.