APC 990-3051C-001 User Manual

This manual contains important instructions for the modular rack-mount 
Power Distribution Unit (PDU) that should be followed during 
installation and maintenance of this unit. 

Heavy: To prevent back injury, two or more people are 
required to install the PDU in a rack.

Warning: To reduce risk of electric shock or injury to 
persons, disconnect all sources of power before servicing.

Note: Install the unit in accordance with the National and 
Canadian Electrical Codes, and if applicable, local codes.

Note: To prevent arcing when removing an APC 
Power Distribution Module (PDM) from the PDU, 
set all PDMs to 

OFF

. Do not remove the modules 

under load.

1

Set all the APC Power Distribution Modules (PDM) to the 

OFF

 

position.

2

Set the utility/mains circuit breaker to the 

OFF

 position.

3

If the utility/mains is an UPS, set the UPS and its circuit breaker 
supplying this product to the 

OFF

 position.

4

Disconnect the input conductors from the utility/mains or the UPS.

1

Install the mounting rails in the enclosure by using the screws 

provided. The PDU requires a 5U space from the top of the 

enclosure.

2

Slide the support tray into the mounting rails and secure it with the 

screws provided.

3

Slide the PDU on to the support tray and secure it to the front posts of 
the enclosure with the screws provided. 

4

Slide the bracket tie-downs onto the guide pins on the side of the 
PDU and secure the tie-downs to the back posts of the enclosure with 
the screws provided. 

Modular rack-mount PDU 138 KW
200 A 400 V 18 Pole 5U

0G-PDPM138H-5U 
and 
0G-PDPM72F-5U

1

Literature kit rack-mount PDU

0L 1532

1

Label kit rack-mount PDU

0M-8909

Rail stationary black 

870-8197D-001

2

Rail adjustable black

870-8198D-001

2

Tray support chassis rack-mount PDU

870-14067

1

Screw M6x12 phil flat head

803-0608

6

Nut M6 flanged hex

803-2406A

6

Washer M6 black plastic cup

803-0009B

14

Screw M6x16 phillips/slot

803-0616B

14

Nut cage M6 14/16 swg

803-0006A

6

Bracket tie-down rear rack-mount PDU

870-14158

2

Plate blank cover brain PCB

870-14159

1

pd

x0

24

4a

1

p

dx

02

40

a

2

pd

x0

2

42

a

3

4