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Installation Guide

PS/N Power Supplies

AMX offers four system power supplies, with several variations available: 

FIG. 1 shows the front and rear panels of the PSN 6.5.     

PSN6.5 Specifications

The PSN6.5 is a Class 1 power supply, is CSA and CE approved, and UL listed. 

NOTE: The PSN6.5 replaces the (obsolete) PSN4.2 and PSN6.3 power 
supplies.

PSN4.4 and PS4.4 Specifications

The PS4.4 power supply is identical to the PSN4.4 except that the PSN4.4 
comes with a NetLinx compatible 2-pin captive wire connector and the PS4.4 
comes with a barrel-plug.     

The PSN4.4 and PS4.4 power supplies are Class 1 power supplies; both are 
CSA and CE approved and UL listed.

AMX PS/N Power Supplies

• PSN6.5

(

FG423-41

)

With U.S. power cord.

(

FG423-43

)

Without power cord.

• PSN4.4

(

FG423-45

)

Includes 2-pin captive-wire connector and U.S. power 
cord, with 3.2 mm captive-wire connector.

• PS4.4

(

FG423-44

)

Includes U.S. power cord and barrel plug.

• PSN2.8

(

FG423-17

)

Includes U.S. power cord, with 3.5mm captive-wire 
connector.

• PS2.8

(

FG423-05

)

Includes U.S. power cord, with 5mm captive-wire 
connector.

(

FG423-11

)

Includes U.S. power cord and barrel plug.

• PS3.0

(

FG 423-30

) Includes U.S. power cord and barrel plug.

NOTE: 

All models use an input connector sanctioned by the IEC (International 

Electrotechnical Commission).

FIG. 1  

PSN6.5 Power Supply

PSN6.5 Specifications

Dimensions (HWD):

• 1.50’ x 5.55" x 9.25" (3.81 cm x 14.10 cm x 23.50 cm)

Weight:

• 2.76 lbs. (1.25 kg) (without power cord).

Input Voltage:

• 90-132 VAC, 2.6A, 47~63 Hz
• 180-264 VAC, 1.3A, 47~63 Hz

Output Voltage:

• 13.5 VDC 6.5A

Output Current:

• 6.5 A (continuous power output is 90 W max).

Ripple and Noise:

• 350 mV peak-to-peak @ 70% load.

Protection:

• Over-voltage, over-current, short-circuit, transient and 

thermal. Switching regulated, overload protected.

PWR Indicator:

• Green LED indicates presence of DC on the output.

Connectors:

• Three removable 2-pin 3.5 mm mini-Phoenix connectors

Rear Panel 
Components:

• Three 12 VDC power supply connectors.
• Standard IEC (male) jack for the power cord.

Input Power Cord:

• 6-foot (1.83 m) IEC power cord terminated with a 

grounded Edison plug for AC input (U.S. only).

Enclosure:

• Metal with black matte finish.

Temperature Range:

• 32°F - 122°F (0°C - 50°C)

Certification:

• UL: US listed - Class 1 Power Supply
• CSA approved
• CE approved

PSN6.5 Specifications (Cont.)

Included 
Accessories:

• Single Universal input power cord (64-0009)
• Three removable 2-pin 3.5 mm mini-Phoenix connectors 

 (41-5025)

Optional 
Accessories:

• AC-RK Accessory Rack Kit (

FG515

)

FIG. 2  

PS4.4 Power Supply (showing both connectors)

PSN4.4 and PS4.4 Specifications

Dimensions (HWD):

• 1.38" x 2.36" x 4.76" (3.5 cm x 6.0 cm x 12.1 cm)

Weight:

• 1.1 lb. (.499 kg)

Input Voltage:

• 100-240 +10% VAC

Input Frequency:

• 47-63 Hz

Input Current:

• 1.2A MAX at 115 VAC + full load
• 0.6A MAX at 230 VAC + full load

Output Voltage:

• 13.5 VDC

Output Current:

• 4.4A  MAX

Ripple and Noise:

• 150 mV peak-to-peak @ full load

Protection:

• Over-voltage, over-current, short-circuit, transient and 

thermal. Switching regulated, overload protected.

Power Indicator:

• Green LED indicates the presence of DC on the output.

Connectors:
   

PSN4.4

• Mini 2-pin captive wire connector (3.5 mm).

   

PS4.4

• Barrel plug (see 

Barrel Plug Dimensions

)

Input Power Cord:

• 50 mm IEC power cord terminated with a grounded 

Edison plug for AC input.

Enclosure:

• Molded black matte plastic.

Barrel-plug connector

2-pin captive wire connector

(FG423-44)

(FG423-45)

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