Table 5-3. Torque Specifications Based On Conductor Sizes; Table 5-4. Torque Specifications Based On Socket Sizes (For All Conductor Sizes) - Siemens POWER CONTROL Series Operation Manual

3PCI SCR Power Controller Series Manual
Attention! All input and output conductors should have a minimum temperature rating of 75°C.

Table 5-3. Torque Specifications Based on Conductor Sizes

Input/Output
1
Conductor Size
6-4 AWG
2 AWG
1 AWG
1/0 to 2/0 AWG
3/0 to 4/0 AWG
250 CM to 350 CM
1 - Given in AWG or circular mils (CM)
2 - Screwdriver blade width to match

Table 5-4. Torque Specifications Based on Socket Sizes (For All Conductor Sizes)

3
Socket Size
3/16"
1/4"
5/16"
3/8"
1/2"
3 - Socket-head size measured across flats
Version 1.2 (19000325)
Torque for Slot Torque for Slot
≤ 0.25"
2
Width Width
35 inch-pounds 45 inch-pounds
40 inch-pounds 50 inch-pounds
n/a 50 inch-pounds
n/a 50 inch-pounds
n/a
n/a
Torque
120 inch-pounds
200 inch-pounds
275 inch-pounds
375 inch-pounds
500 inch-pounds
∇ ∇ ∇
s
Torque for
2
> 0.25" Hex Head
110 inch-pounds
150 inch-pounds
150 inch-pounds
180 inch-pounds
n/a 250 inch-pounds
n/a 325 inch-pounds
Troubleshooting
5-5