Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

Three Phase Electrical Motors

Full load amps, wire and conduit sizes for three phase electrical motors

Sponsored Links

Typical full load current, minimum wire size and conduit size for 230V and 460V three phase electrical motors:

Power (hp)	Full Load (amps)		Minimum Wire Size (AWG - Rubber)		Conduit Size (inches)
Power (hp)	230V	460V	230V	460V	230V	460V
1	3.3	1.7	14	14	1/2	1/2
1.5	4.7	2.4	14	14	1/2	1/2
2	6	3	14	14	1/2	1/2
3	9	4.5	14	14	1/2	1/2
5	15	7.5	12	14	1/2	1/2
7.5	22	11	8	14	3/4	1/2
10	27	14	8	12	3/4	1/2
15	38	19	6	10	1-1/4	3/4
20	52	26	4	8	1-1/4	3/4
25	64	32	3	6	1-1/4	1-1/4
30	77	39	1	6	1-1/2	1-1/4
40	101	51	00	4	2	1-1/4
50	125	63	000	3	2	1-1/4
60	149	75	200M	1	2-1/2	1-1/2
75	180	90	0000	0	2-1/2	2
100	245	123	500M	000	3	2
125	310	155	750M	0000	3-1/2	2-1/2
150	360	180	1000M	300M	4	2-1/2

Tag Search

en: three phase electrical motors current wire full load conduit size

Search the Engineering ToolBox

- the most efficient way to navigate the Engineering ToolBox!

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse!

Translate this page to

About the Engineering ToolBox!

Citation

This page can be cited as

Engineering ToolBox, (2009). Three Phase Electrical Motors. [online] Available at: https://www.engineeringtoolbox.com/three-phase-electrical-motors-amps-wire-d_1502.html [Accessed Day Mo. Year].

Modify access date.

Customize Ads in the ToolBox

Make ads more useful in Google Ad Settings .

Advertise in the ToolBox

If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords. You can target the Engineering ToolBox by using AdWords Managed Placements.