Calculated-industries 5070-A User Guide Bedienungsanleitung PDF herunterladen (Seite 35)

34 — electricalc

Pro

Wire Sizing Based on Material Type

Find the Wire Size for a 75°C Copper Wire carrying a 3Ø load of 265

Amps. What is the equivalent Aluminum Wire Size?

KEYSTROKE DISPLAY



1. Set to 3-Phase:

(3Ø)

3Ø 3 PH

2. Set to 75º C:

(75º)

3Ø 75 3 PH

3. Set to Copper (if necessary):

(Cu/Al)

3Ø 75 Cu 3 PH

4. Enter Amps:



AMPS 265.

5. Find Wire Size:



AWG 300 CU WIRE SIZE

6. Change to Aluminum:

(Cu/Al)

3Ø 75 Al AWG 400 AL WIRE SIZE

7. Display Wire Ampacity:



4ØØ* 270.0 WIRE A

* The Wire Size will be shown in the upper left area of the display when

displaying the Wire Ampacity rating.

8. Display CMIL:



CMIL 400,000. WIRE

9. Display NEC Table:



NEC 310.15.b.16

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 65 66

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Calculated-industries 5070-A User Guide Bedienungsanleitung Seite 35