Terminal Screw Torque Specifications - PENN Controls - VFD68Bxx - VFD68Cxx - VFD68Dxx - Three‐Phase Motor Speed Controller - VFD68 Three‐Phase Variable Frequency Drive

VFD68 Variable Frequency Drives Technical Bulletin

Brand
PENN Controls
Product name
VFD68 Three‐Phase Variable Frequency Drive
Document type
Technical Bulletin
Part number
24-7664-3051
Document revision
C
Revision date
2019-08-09
Language
English

Tighten the terminal screw to the specified torque. Overtightening 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)
Table 3. Torque Specifications for VFD68Dxx Drives
Rated Capacity, kW (HP) Terminal Screw Size3 Tightening Torque, N•m
0.75–7.5 (1–10) M4 1
1 The terminal screw size indicates the terminal size for R/L1, S/L2, T/L3, U, V, W, PR, P/+, N/-, 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, P/+, N/-, P1, and earthing (grounding). The terminal screw size for earthing (grounding) appears in parenthesis if it is a different size.
3 The terminal screw size indicates the terminal size for R/L1, S/L2, T/L3, U, V, W, PR, P/+, N/-, P1 and a screw for earthing (grounding).