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VFD68 Variable Frequency Drives (230 or 460 VAC) Installation Guide

PENN Controls
Product name
VFD68 Three‐Phase Variable Frequency Drive
Document type
Installation Guide
Part number
Document revision
Revision date


  1. Loosen the screws on the front cover and remove the cover (Figure 1).
    Figure 1. Loosen the Cover Screws and Remove the Front Cover

  2. Remove the high-voltage wiring cover at the bottom of the VFD68 Drive (Figure 2).
    Figure 2. Remove the High-Voltage Wiring Cover


Mount the VFD vertically (Figure 1) in an acceptable NEMA-rated enclosure on a non-flammable surface. When you drill mounting holes and mount the VFD, ensure that you do not allow metal chips or other material to enter the VFD housing.

Figure 3. Mounting the VFD68 Drive

See Figure 4 and Table 1 for mounting space requirements.

Figure 4. Required Clearance for Mounting Inside an Enclosure

Table 1. Required Clearance
Dimension 3.7 kW

(5 HP) or Less

5.5–7.5 kW

(7-1/2 to 10 HP)

A 100 mm (4 in.) or more 100 mm (4 in.) or more
B 10 mm (7/16 in.) or more 50 mm (2 in.) or more