MAGCO CRANES DESIGNS ELECTRO HYDRAULIC THRUSTER OPERATED BRAKES to Suit smooth application. This brake has: 1) Self contained unit 2) Low power consumption 3) Minimum maintenance 4) Overload or under load on thruster cannot cause damage to motor 5) Thruster can be operated on 10˚ of the vertical. The brake operates on AC 415 V, 3ph, 50 Hz and is continuously rated