Photo courtesy of Eric Stapleton Motor Starter & Alarm Systems Motor Starter & Alarm (MSA) Systems control the electric motor and monitors the status of the hydraulic power units; feeding flow and pressure to the steering gear. Jastram MSA units are a heavy duty design meant for use in The Jastram MSA system consists of three main components: • The Motor Starter and Alarm Box (MSA) Motor Starters and Alarm Box Features: This unit is the control and monitoring center of the MSA system. • MSA system is designed to meet all major Classification Societies' • Each MSA box services one hydraulic power unit motor • The MSA box connects to multiple remote alarm panels • The two main types of panels are the alarm pane (AP) and the starter panel: * Panels used to indicate the status of the steering gear alarms * To start and stop the HPU motor (AP-600, SP-36) * AP panels are fitted with independent dimming controls

Motor Starters & Alarm Box OflEEN FLUSH START BUTTON Enclosure Protection: Operable Ambient Temperature: Main AC Supply Voltage: Emergency DC Supply Voltage: Main 3 phase supply fuses: GLAND PLATE Steering Control Power Supply Output: Supply Current Draw: 1 HP- 40 HP, ( Note: motors larger than 460 V/40 Hp Require a larger enclosure size 2.5 Amps (max.) emergency operation • MSA motor interlocking prevents two motors connected to two MSA units from being run • HPU Low Oil Sensor signal is a dry contact input representing the oil level in the HPU reservoir • Spare Alarm Sensors signals are dry...