Sperry Marine VisionMaster FT - Power Requirements; Power Requirements and Unit Characteristics; Table 30: Power Requirements; Table 31: Unit Characteristics

VisionMaster Ship’s Manual Chapter 1
Technical Specification Power Requirements
65900011 1–43
9 Power Requirements
9.1 Power Requirements and Unit Characteristics
The main power source must have a voltage between 92 and 276V rms at a
frequency between 47 and 64Hz.
For high-voltage multiphase supplies, a step-down transformer is available.
Table 30: Power Requirements
Unit
Maximum
Input Power
Consoles (Including Monitor, PCIO and Processor Units)
250 Console (with 19” LCD) 310VA
340 Console (with 23” LCD) 310VA
19” LCD 100VA
23” LCD 100VA
Processor Unit 150VA
PCIO Unit 60VA
X-band Scanner Motor and Transceiver
Standard Speed Unit 250VA
High-Speed Unit 370VA
S-band Transceiver
S-band Transceiver Unit 120VA
S-band Scanner Motor
Standard Speed Unit - single phase 750VA
High-Speed Unit - single phase 750VA
Standard Speed Unit - 3 phase (per phase) 500VA
High Speed Unit - 3 phase (per phase) 600VA
Table 31: Unit Characteristics
Parameter All Units except S-band Scanner Motor Unit
Power Factor Correction Better than 0.9
Transient protection Over-voltage transient of up to 40% above
nominal input voltage with maximum duration of
one second.
Pulse transient of up to ± 1200V peak, with a rise
time of 2 to 10μs and duration up to 20μs.
Protection facilities Output short circuit.
High and low input voltage.
Output over-voltage.
Slow start.