Technical data

March 2009
CA08102001E For more information visit: www.eaton.com
33-35
NEMA Contactors & Starters
33
IT. Electro-Mechanical — Enclosed
Combination Starters — Fusible and Non-fusible
Table 33-48. Class ECT17 — Combination Reversing Starter — Fusible Disconnect

All IT. Contactors and Starters are furnished with 24V DC coil and control power supply. The eighth digit Q denotes separate 24V DC control source.

The Catalog Numbers listed in the Type 4X column are for Type 4X 304-Grade Stainless Steel, as indicated by the seventh digit 4. Example:
ECT170
4QAB. To order Type 4X 316-Grade Stainless Steel, change that digit to 9. To order Type 4 Painted Steel, change that digit to 3. To order Non-
metallic, change that digit to
5. For details on these Alternate Enclosures, see PG03300001E.

A “_” denotes Catalog Numbers are incomplete without the Solid-State Overload Range Code. To complete the Catalog Number, select the appropriate
Code from Table 33-38 on Page 33-26.
Motor
Voltage
Max.
hp
Coil

Voltage
Disconnect 3-Pole Type 1 3-Pole Type 3R 3-Pole Type 4X

3-Pole Type 12 3-Pole Component
Starter (Open)
Catalog
Number

Catalog
Number

Catalog
Number

Catalog
Number

Catalog
Number

NEMA Size 0
—
—
200/208
230/240
460/480
575/600
380/50 Hz
—
—
3
3
5
5
5
24V DC 30A ECT1701QAB-_
ECT1701QAC-_
ECT1701EAB-_
ECT1701BAB-_
ECT1701CAC-_
ECT1701DAC-_
ECT1701LAC-_
ECT1702QAB-_
ECT1702QAC-_
ECT1702EAB-_
ECT1702BAB-_
ECT1702CAC-_
ECT1702DAC-_
ECT1702LAC-_
ECT1704QAB-_
ECT1704QAC-_
ECT1704EAB-_
ECT1704BAB-_
ECT1704CAC-_
ECT1704DAC-_
ECT1704LAC-_
ECT1708QAB-_
ECT1708QAC-_
ECT1708EAB-_
ECT1708BAB-_
ECT1708CAC-_
ECT1708DAC-_
ECT1708LAC-_
N501BS0_3A
NEMA Size 1
—
—
200/208
230/240
460/480
575/600
380/50 Hz
—
—
7-1/2
7-1/2
10
10
10
24V DC 30A ECT1711QAB-_
ECT1711QAC-_
ECT1711EAB-_
ECT1711BAB-_
ECT1711CAC-_
ECT1711DAC-_
ECT1711LAC-_
ECT1712QAB-_
ECT1712QAC-_
ECT1712EAB-_
ECT1712BAB-_
ECT1712CAC-_
ECT1712DAC-_
ECT1712LAC-_
ECT1714QAB-_
ECT1714QAC-_
ECT1714EAB-_
ECT1714BAB-_
ECT1714CAC-_
ECT1714DAC-_
ECT1714LAC-_
ECT1718QAB-_
ECT1718QAC-_
ECT1718EAB-_
ECT1718BAB-_
ECT1718CAC-_
ECT1718DAC-_
ECT1718LAC-_
N501CS1_3A
NEMA Size 2
—
—
200/208
230/240
460/480
575/600
380/50 Hz
—
—
10
15
25
25
25
24V DC 60A ECT1721QAD-K
ECT1721QAE-K
ECT1721EAD-K
ECT1721BAD-K
ECT1721CAE-K
ECT1721DAE-K
ECT1721LAE-K
ECT1722QAD-K
ECT1722QAE-K
ECT1722EAD-K
ECT1722BAD-K
ECT1722CAE-K
ECT1722DAE-K
ECT1722LAEK
ECT1724QAD-K
ECT1724QAE-K
ECT1724EAD-K
ECT1724BAD-K
ECT1724CAE-K
ECT1724DAE-K
ECT1724LAE-K
ECT1728QAD-K
ECT1728QAE-K
ECT1728EAD-K
ECT1728BAD-K
ECT1728CAE-K
ECT1728DAE-K
ECT1728LAE-K
N501DS2_3A
NEMA Size 3
—
—
200/208
230/240
460/480
575/600
380/50 Hz
—
—
25
30
50
50
50
24V DC 100A ECT1731QAF-M
ECT1731QAG-M
ECT1731EAF-M
ECT1731BAF-M
ECT1731CAG-M
ECT1731DAG-M
ECT1731LAG-M
ECT1732QAF-M
ECT1732QAG-M
ECT1732EAF-M
ECT1732BAF-M
ECT1732CAG-M
ECT1732DAG-M
ECT1732LAG-M
ECT1734QAF-M
ECT1734QAG-M
ECT1734EAF-M
ECT1734BAF-M
ECT1734CAG-M
ECT1734DAG-M
ECT1734LAG-M
ECT1738QAF-M
ECT1738QAG-M
ECT1738EAF-M
ECT1738BAF-M
ECT1738CAG-M
ECT1738DAG-M
ECT1738LAG-M
N501ES3_3A
NEMA Size 4
—
—
200/208
230/240
460/480
575/600
380/50 Hz
—
—
40
50
100
100
75
24V DC 200A ECT1741QAH-P
ECT1741QAJ-P
ECT1741EAH-P
ECT1741BAH-P
ECT1741CAJ-P
ECT1741DAJ-P
ECT1741LAJ-P
ECT1742QAH-P
ECT1742QAJ-P
ECT1742EAH-P
ECT1742BAH-P
ECT1742CAJ-P
ECT1742DAJ-P
ECT1742LAJ-P
ECT1744QAH-P
ECT1744QAJ-P
ECT1744EAH-P
ECT1744BAH-P
ECT1744CAJ-P
ECT1744DAJ-P
ECT1744LAJ-P
ECT1748QAH-P
ECT1748QAJ-P
ECT1748EAH-P
ECT1748BAH-P
ECT1748CAJ-P
ECT1748DAJ-P
ECT1748LAJ-P
N501ES4_3A
NEMA Size 5
—
—
200/208
230/240
460/480
575/600
380/50 Hz
—
—
75
100
200
200
150
24V DC 400A ECT1751QAK-S
ECT1751QAL-S
ECT1751EAK-S
ECT1751BAK-S
ECT1751CAL-S
ECT1751DAL-S
ECT1751LAL-S
ECT1752QAK-S
ECT1752QAL-S
ECT1752EAK-S
ECT1752BAK-S
ECT1752CAL-S
ECT1752DAL-S
ECT1752LAL-S
ECT1754QAK-S
ECT1754QAL-S
ECT1754EAK-S
ECT1754BAK-S
ECT1754CAL-S
ECT1754DAL-S
ECT1754LAL-S
ECT1758QAK-S
ECT1758QAL-S
ECT1758EAK-S
ECT1758BAK-S
ECT1758CAL-S
ECT1758DAL-S
ECT1758LAL-S
N501FS5_3A
Cover Control . . . . . . . . . . . . . . . . . . . . Page 33-27
Wiring Diagrams . . . . . . . . . . . . . . . . . Page 33-41
Dimensions . . . . . . . . . . . . . . . . . . . . . PG03300001E
Accessories . . . . . . . . . . . . . . . . . . . . . PG03300001E
Renewal Parts . . . . . . . . . . . . . . . . . . . PG03300001E
Technical Data . . . . . . . . . . . . . . . . . . PG03300001E