20HP 3PH Protection

230 Volt 3 Phase 20HP

Thermal Magnetic Breaker Size	90 Amp
Dual Element Time-Delay Fuse	80 Amp
Manual Motor Starter	45-63 Amp
IEC Contactor Size	65 Amp
20HP 3PH 230V IEC Class 10 Overload Relay	55 Amp
NEMA Rated Starter Size	3
Power Factor Capacitor	6KVAR

480 Volt 3 Phase 20HP

Thermal Magnetic Breaker Size	60 Amp
Dual Element Time-Delay Fuse	40 Amp
Manual Motor Starter	22-32 Amp
IEC Contactor Size	32 Amp
20HP 3PH 460V IEC Class 10 Overload Relay	34 Amp
NEMA Rated Starter Size	2
NEMA 4X shields against dirt, rain, windblown dust, hose-directed water, and corrosion.
NAE 20HP 3PH NEMA4X Across the Line Starter w/CB
NEMA type 3R rating is resistant to ingress of water, rain, ice formation, sleet, and snow.
NAE 20HP 3PH NEMA3R Across the Line Starter w/CB
NAE 20HP 3PH NEMA3R Across the Line Starter w/Fused Disc.
NAE 20HP 3PH NEMA3R Variable Freq. Drive w/CB
NAE 20HP 3PH NEMA3R Variable Freq. Drive w/Fused Disc.
Power Factor Capacitor	6KVR

Notice:

NEC is a registered trademark of the National Fire Protection Association, Inc. All NEC references by Electrical Helper are interpretations of the NEC by the Electrical Helper staff and are not NEC statements. The official position of the NEC requires that the NEC be referred to in its entirety.

Table 430.250 Full-Load Current, Three-Pase Alternating-Current Motors

The following values of full-load currents are typical for
motors running at speeds usual for belted motors and
motors with normal torque characteristics.

The voltages listed are rated motor voltages. The currents
listed shall be permitted for system voltage ranges of
110 to 120, 220 to 240, 440 to 480, and 550 to 600

Three Phase Motor Data

For Standard Squirrel Cage 60 Hz 1800 RPM Motors

	115	200	208	230	460	575	2300
Horsepower	Volt	Volt	Volt	Volt	Volt	Volt	Volt
1/2	4.4	2.5	2.4	2.2	1.1	0.9
3/4	6.4	3.7	3.5	3.2	1.6	1.3
1	8.4	4.8	4.6	4.2	2.1	1.7
1-1/2	12	6.9	6.6	6.0	3.0	2.1
2	13.6	7.8	7.5	6.8	3.4	2.7
3		11	10.6	9.6	4.8	3.9
5		17.5	16.7	15.2	7.6	6.1
7-1/2		25.3	24.2	22	11	9
10		32.2	30.8	28	14	11
15		48.3	46.2	42	21	17
20		62.1	59.4	54	27	22
25		78.2	74.8	68	34	27
30		92	88	80	40	32
40		120	114	104	52	41
50		150	143	130	65	52
60		177	169	154	77	62	16
75		221	211	192	96	77	20
100		285	273	248	124	99	26
125		359	343	312	156	125	31
150		414	396	360	180	144	37
200		552	528	480	240	192	49
250					302	242	50
300					361	289	72
350					414	336	83
400					477	382	95
450					515	412	103
500					590	472	116

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20HP 3PH Protection

230 Volt 3 Phase 20HP

480 Volt 3 Phase 20HP