Leeson SCR Thyristor Motor Control Manuel d'utilisateur télécharger pdf (Page 27)

Installation

SPEEDMASTER™ OPERATION MANUAL

Mounting (NEMA 4 and NEMA 4/12 enclosures)

NEMA 4/12 cased drives (models 174100 and 174105) come

with two 0.88 inch (22 mm) conduit knockout holes at the bottom

of the case. Model 174709, a NEMA 4 cased drive, comes with

three knockout holes at the bottom of the case. All NEMA 4 and

NEMA 4/12 drives may be vertically wall mounted using the four

0.19 inch (5 mm) slotted holes on the attached heat sink. For

motor loads less than 5 ADC, the drive may be bench mounted

horizontally, or operated without mounting.

6.00 [152]

2.50 [64]

1.79 [45.0]

5.00 [127]

8.00 [203]

Figure 11. NEMA 1 Mounting Hole Locations

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 59 60

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Leeson SCR Thyristor Motor Control Manuel d'utilisateur Page 27