Rockwell Automation RELIANCE ELECTRIC SP500 - Page 29

Table 3.2 — Recommended Power Wire Sizes for M/N 1SU1xxxx and 1SU2xxxx Drives
Type of Wiring Terminals raximumny:
AC Input Power R, S, T 14 AWG, 2 (mm?)
Output Power U, V, W 14 AWG, 2 (mm?)
DC Bus —,+ 14 AWG, 2 (mm?)
Ground GND 14 AWG, 2 (mm*)
wire is recommended.
*Except for M/N 1$U21002 (single-phase input), 1SU21005, and 1SU24005, for which 12 AWG, 3 (mm?)
Table 3.3 — Recommended Power Wire Sizes for M/N 1SU4xxxx and 1SU5xxxx Drives
Type of Wiring Terminals raximumny:
AC Input Power R(L1), S(L2), T(L3) 14 AWG, 2 (mm?)
Output Power U(T1), V(T2), W(T3) 14 AWG, 2 (mm?)
DC Bus —,+ 14 AWG, 2 (mm*)
Snubber Resistor +10 VDC, 10 COM 14 AWG, 2 (mm?)
Ground GND 14 AWG, 2 (mm?)
* Except for M/N 1$U41010 and 1SU44010, for which 12 AWG, 3 (mm?) wire is recommended.
Table 3.4 — Recommended Power Wire Sizes for M/N 1S$U4x015 and 1SU4x020 Drives
Type of Wiring Terminals (maximum)
AC Input Power R/L1, S/L2, T/L3 12 AWG, 3 (mm?)
Output Power U/T1, V/T2, W/T3 12 AWG, 3 (mm?)
DC Bus —,+ 12 AWG, 3 (mm?)
Snubber Resistor —,+ 12 AWG, 3 (mm*)
Ground GND 12 AWG, 3 (mm?)
Table 3.5 — Recommended Power Terminal Tightening Torque
Drives Terminals Maximum Tightening Torque
All All power wires 1.08 Newton-meters (9.5 in-lb)
SP500 System Planning
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