Installation Instructions Part 1

35 Chapter 4: Cables and connections
Circuit protection
GPM400 processor
All GPM400 processors must be switched via a single breaker.
General circuit protection
The following loads and protection ratings apply to G-Series dis-
plays and ancillary equipment:
Power cables
• Cable must be of a suitable gauge for the circuit load.
• Each unit should have its own dedicated power cable wired
back to the distribution panel.
• All GPM400 processors should be connected to the same
breaker.
• Power cable must include a separate screen wire.
Number
of
GPM400
units
Supply
voltage
Thermal
breaker
(Overall)
Fuse
(Individual)
1 12 V 10 A 10 A
24 V 5 A 5 A
2 12 V 20 A 10 A
24 V 10 A 5 A
3 12 V 25 A 10 A
24 V 15 A 5 A
4 12 V 35 A 10 A
24 V 20 A 5 A
Equipment
Supply
voltage
Thermal
breaker
Fuse
G190 marine display 12 V 8 A 12 A
24 V 4 A 6 A
G170 marine display 12 V 8 A 12 A
24 V 4 A 6 A
GVM400 Video Module 12 V 1.2 A 2 A
24 V 1 A 1 A
For other ancillary equipment, refer to the separate installation instructions for
circuit loading and protection information.
Equipment
Supply
voltage
Thermal
breaker
Fuse