Terminal Screw Torque Specifications - PENN Controls - VFD68Bxx - VFD68Cxx - Three‐Phase Motor Speed Controller - VFD68 Three‐Phase Variable Frequency Drive

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

Brand
PENN Controls
Product name
VFD68 Three‐Phase Variable Frequency Drive
Document type
Installation Guide
Part number
24-7664-3108
Document revision
F
Revision date
2019-08-16
Language
English

Tighten the terminal screw to the specified torque. Over-tightening the terminal screws may damage the terminal blocks and screw threads. Loose terminal screw connections can result in a short circuit or malfunction.

Table 1. Torque Specifications for VFD66Bxx Drives
Rated Capacity, kW (HP) Terminal Screw Size1 Tightening Torque, N•m (lb•in.)
0.1–0.75 (1/8–1) M3.5 1.2 (10.6)
1.5–3.7 (2–5) M4 1.5 (13.3)
5.5–11 (7.5–15) M5 2.5 (22.2)
15 (20) M6 (M5) 4.4 (39)
Table 2. Torque Specifications for VFD68Cxx Drives
Rated Capacity, kW (HP) Terminal Screw Size2 Tightening Torque, N•m (lb•in.)
0.4–11 (1/2–15) M4 1.5 (13.3)
15 (20) M5 2.5 (22)
1 The terminal screw size indicates the terminal size for R/L1, S/L2, T/L3, U, V, W, PR, +, -, P1, and earthing (grounding). The terminal screw size for earthing (grounding) appears in parenthesis if it is a different size.
2 The terminal screw size indicates the terminal size for R/L1, S/L2, T/L3, U, V, W, PR, +, -, P1, and earthing (grounding). The terminal screw size for earthing (grounding) appears in parenthesis if it is a different size.