Allen-Bradley PowerFlex AFE User Manual

84 Rockwell Automation Publication 20Y-TG001C-EN-P - April 2017
Chapter 8 DC Fuses Component Section
Fuse Replacement Guidelines
DC bus fuses are required for short circuit protection. Tab l e 7 and Tab le 8 list
the recommended DC bus fuses.
Table 7 - 400/480 Volt DC Fusing
Table 8 - 600/690 Volt DC Fusing
To replace the fuses, follow these steps.
1. Remove power from the AFE.
See Remove Power from the AFE
on page 37.
2. Open the power structure enclosure door.
3. If present, remove the protective barriers.
See Remove AFE Protective Barriers
on page 44.
4. Remove and discard the blown fuse.
5. Insert the fuse body between the bus bars.
6. Turn the threaded rod into the fuse body.
7. Place the belleville (domed) washer and hexagonal nut on the threaded
rod and hand tighten.
8. Hold the threaded rod with the hex key while tightening the nut to the
specified torque.
Frame
Size
AFE
Enclosure Style
Fuse
Amps Bussman Type Ferraz Shawmut Type
10 IP20 2500 MCC 1100 170M6499 —
IP21 Rittal 1100 — PC73UD95V11CTF
1250 170M6566 —
Frame
Size
AFE
Enclosure Style
Fuse
Amps Bussman Type Ferraz Shawmut Type
10 IP20 2500 MCC 630 170M6454 —
IP21 Rittal 630 — PC73UD13C630TF
700 170M6305 —
Stud Type Stud Tightening
Torque, Max
Nut Tightening
Torque, Max
M8 x 30
M8 x 35
10 N•m
(88.5 lb•in)
13.5 N•m
(132.8 lb•in)
M10 x 30
M10 x 50
15 N•m
(132.8 lb•in)
26 N•m
(230.1 lb•in)
M12 x 35
M12 x 50
15 N•m
(132.8 lb•in)
46 N•m
(407.1 lb•in)
M12 x 40 15 N•m
(132.8 lb•in)
46 N•m
(407.1 lb•in)

Allen-Bradley PowerFlex AFE Specifications

General

Brand	Allen-Bradley
Model	PowerFlex AFE
Category	Controller
Language	English