Rockwell-automation DC3E Non-Regenerative DC Drive User Guide 1/4 - 2 Manual de usuario descargar pdf (Pagina 21)

13Installation

Line fusing

This DC3 drive model has 15-amp line fuses preinstalled

on fuse holders 501 and 502 (FU501 and FU502). When

replacing the line fuses, use fast acting fuses rated for 250

VAC or higher. See Figure 3, page 6, for fuse holder

location, and Table 1 for recommended replacement line

fuse sizes for specific application ratings.

Table 1. Recommended Line Fuse Sizes

90 VDC Motor 180 VDC Motor Max. DC Armature AC Line Fuse

Horsepower Horsepower Current (amps) Size (amps)

1/20 1/10 0.5 3

1/15 1/8 0.8 3

1/8 1/4 1.5 5

1/6 1/3 1.7 5

1/4 1/2 2.6 8

1/3 3/4 3.5 8

1/2 1 5.0 10

3/4 1 1/2 7.6 15

1 2 10 15

Reliance Electric offers a 0.5A pico fuse (part number 050-

–0074) which protects the control board power supply

transformer and logic.

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Rockwell-automation DC3E Non-Regenerative DC Drive User Guide 1/4 - 2 Manual de usuario Pagina 21