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FortiGate-5144C Chassis
Power requirements
The FortiGate-5144C is rated to draw up to 153A. Each of the four PEM feeds/terminals draws up to 39A with -48VDC
input and 450W/slot (400W front and 50W RTM). If no RTM slots are used, the total current will be up to 138.5A and
with up to 35A per feed with -48VDC input. (the draw from the 4 feeds may not be even.)
The FortiGate-5144C chassis is designed to be installed in a Telecom or data center or similar location that has
available -48VDC power fed from a listed circuit breaker (also called battery power or main DC power). Fortinet expects
that mostFortiGate-5144C customers will be installing their chassis in a location that is already equipped with a -48VDC
power system fed from a listed circuit breaker that provides power to existing networking or telecom equipment. The
FortiGate-5144C chassis is designed to be connected directly to this DC power system.
If DC power is not available you can use one or more FortiGate-5053B power converter shelves equipped with PSU-
5000B power supplies to convert AC to DC to supply DC power to the FortiGate-5144C chassis from an AC source.
Physical description of the FortiGate-5144C chassis
The FortiGate-5144C chassis is a 14U chassis that can be installed in a standard 19-inch rack. The following table
describes the physical characteristics of the FortiGate-5144C chassis.
Dimensions (H x W x D)
Shipping weight and size completely
assembled with packaging
Chassis weight completely assembled with
shelf manager and air baffles
PEM DC terminal torque
Operating environment
Power consumption
Heat dissipation
Power input
Overcurrent protection
Cooling capacity
Protected earth test
Hipot test
FortiGate-5144C 6.2.3 Chassis Guide
24.44 x 19.06 x 21.63 in. (62.10 x 48.40 x 54.96 cm)
165 lbs (75 kg) (36 x 31 x 27in) (91 x 78 x 69cm)
(13 front and 14 RTM) 108 lbs (50 kg)
No more than 3.8 Nm (33.62 lbf.in)
Temperature (long term): 32 to 104°F (0 to 40°C)
Temperature (short term): 23 to 131°F (-5 to 55°C)
Relative humidity: 20 to 90% (Non-condensing)
Min: 150W, Max: 1000 W (Power consumed by an empty
chassis with four fans, one shelf manager and four PEMs
installed and operating with the fans running at full speed.)
150W to 1000W (512 BTU/hr and max 3412 BTU/hr)
4x to 2 PEMs (2 per PEM) with 2x redundant PEMs -48 Vdc/-
60Vdc, 153A/122A
Each PEM includes 4 power channels. Each channel includes
its own 30 A fuse.
450 W per slot (Front slot 400 W and RTM slot 50 W)
EN60950-1, test current 25 A, resistance <100 mOhm
EN60950-1, 1000 V
Fortinet Technologies Inc.
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