What is the terminal lug data (wire range) for ALL the US and Canadian general duty, fused and nonfused safety switches?
Issue:
What is the wire range for the lugs on general duty safety switches?
Product Line:
General duty safety switches
Resolution:
Below is a table for the terminal lug data for ALL the Square D general duty safety switches. The below information is also located on each switch wiring diagram.
1) 30 - 100 A switches are suitable for 60 or 75 decree C wire and ALL 200 - 800 A switches are suitable for 75 decree wire.
2) There are NO alternate lugs for any of the general duty safety switches, except for the following:
For 400 A or 600 A (EXCEPT for the 400 A NEMA type 3R), the lug kit part number GD4060LK can be field installed. This lug kit will accept (1) 1/0 - 600 kcmil or (2) 1/0 - 500 kcmil or (4) 1/0 - 250 kcmil wires per phase and
neutral.
| Amperes | Conductors per phase | Wire range per NEC Table 312.6 AWG / KCMIL | Lug Wire Range |
| 30 | 1 | 12-6 Al or 14-6 Cu | 12-6 Al or 14-6 Cu |
| 60 | 1 | 12-3 Al or 14-3 Cu | 12-2 Al or 14-2 Cu |
| 100 | 1 | 12-1 Al or 14-1 Cu | 12-1/0 Al or 14-1/0 Cu |
| 200 | 1 | 6-250 Al/Cu | 6-300 Al/Cu |
| 400 NEMA 1 | 1 or | (1) 1/0 -600 Al/Cu or | (1) 1/0 -750 Al/Cu or |
| 400 NEMA 3R | 2 | 1/0 – 250 Al/Cu | (1) 1-600 Al/Cu or |
| 600 | 2 | 4-500 Al/Cu | 4-600 Al/Cu |
| 800 | 3 | 3/0 – 500 Al/Cu | 3/0 – 500 Al/Cu |
Released for: Schneider Electric Canada
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