Cut Sheet

V10-T2-74 Volume 10—Enclosed Control CA08100012E—June 2015 www.eaton.com
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NEMA Contactors and Starters
Freedom Multispeed Starters
Class ECN37—Combination Two-Speed One-Winding Starter (CT or VT)—Fusible Disconnect
Notes
Starters do not include heater packs. Select two cartons of three heater packs (two overload relays—one for each speed).
For heater pack selection, see Tab 15.
1
Maximum horsepower rating of starters for 380 V 50 Hz applications.
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The catalog numbers listed in the Type 4X column are for Type 4X 304-Grade stainless steel, as indicated by the seventh digit.
Example: ECN3704
AAB. 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 Tab 13.
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Type 4 (painted steel) sizes 6.
Maximum
hp Rating
Magnet
Coil
Voltage
Fuse Clip
Amperes
Type 1
General Purpose
Type 3R
Rainproof
Type 4X
Watertight and Dust-Tight
Stainless Steel
2
Type 12
Dust-Tight Industrial
External Reset
Component
Starter (Open)
NEMA
Size
Motor
Voltage
1
Catalog
Number
Catalog
Number
Catalog
Number
Catalog
Number
Catalog
Number
0— — 12030 AECN3701AAB ECN3702AAB ECN3704AAB ECN3708AAB AN700BN0218A
200 3 208 ECN3701EAB ECN3702EAB ECN3704EAB ECN3708EAB AN700BN0218E
230 3 240 ECN3701BAB ECN3702BAB ECN3704BAB ECN3708BAB AN700BN0218B
460 5 480 ECN3701CAC ECN3702CAC ECN3704CAC ECN3708CAC AN700BN0218C
575 5 600 ECN3701DAC ECN3702DAC ECN3704DAC ECN3708DAC AN700BN0218D
1— — 12030 AECN3711AAB ECN3712AAB ECN3714AAB ECN3718AAB AN700DN0218A
200 7-1/2 208 ECN3711EAB ECN3712EAB ECN3714EAB ECN3718EAB AN700DN0218E
230 7-1/2 240 ECN3711BAB ECN3712BAB ECN3714BAB ECN3718BAB AN700DN0218B
460 10 480 ECN3711CAC ECN3712CAC ECN3714CAC ECN3718CAC AN700DN0218C
575 10 600 ECN3711DAC ECN3712DAC ECN3714DAC ECN3718DAC AN700DN0218D
2— — 12060 AECN3721AAD ECN3722AAD ECN3724AAD ECN3728AAD AN700GN0218A
200 10 208 ECN3721EAD ECN3722EAD ECN3724EAD ECN3728EAD AN700GN0218E
230 15 240 ECN3721BAD ECN3722BAD ECN3724BAD ECN3728BAD AN700GN0218B
460 25 480 ECN3721CAE ECN3722CAE ECN3724CAE ECN3728CAE AN700GN0218C
575 25 600 ECN3721DAE ECN3722DAE ECN3724DAE ECN3728DAE AN700GN0218D
3 — — 120 100 A ECN3731AAF ECN3732AAF ECN3734AAF ECN3738AAF AN700KN0218A
200 25 208 ECN3731EAF ECN3732EAF ECN3734EAF ECN3738EAF AN700KN0218E
230 30 240 ECN3731BAF ECN3732BAF ECN3734BAF ECN3738BAF AN700KN0218B
460 50 480 ECN3731CAG ECN3732CAG ECN3734CAG ECN3738CAG AN700KN0218C
575 50 600 ECN3731DAG ECN3732DAG ECN3734DAG ECN3738DAG AN700KN0218D
4 — — 120 200 A ECN3741AAH ECN3742AAH ECN3744AAH ECN3748AAH AN700NN0218A
200 40 208 ECN3741EAH ECN3742EAH ECN3744EAH ECN3748EAH AN700NN0218E
230 50 240 ECN3741BAH ECN3742BAH ECN3744BAH ECN3748BAH AN700NN0218B
460 100 480 ECN3741CAJ ECN3742CAJ ECN3744CAJ ECN3748CAJ AN700NN0218C
575 100 600 ECN3741DAJ ECN3742DAJ ECN3744DAJ ECN3748DAJ AN700NN0218D
5 — — 120 400 A ECN3751AAK ECN3752AAK ECN3754AAK ECN3758AAK AN700SN0218A
200 75 208 ECN3751EAK ECN3752EAK ECN3754EAK ECN3758EAK AN700SN0218E
230 100 240 ECN3751BAK ECN3752BAK ECN3754BAK ECN3758BAK AN700SN0218B
460 200 480 ECN3751CAL ECN3752CAL ECN3754CAL ECN3758CAL AN700SN0218C
575 200 600 ECN3751DAL ECN3752DAL ECN3754DAL ECN3758DAL AN700SN0218D
6 200 150 208 600 A ECN3761EAM ECN3762EAM ECN3763EAM
3
ECN3768EAM AN700TN0218E
230 200 240 ECN3761BAM ECN3762BAM ECN3763BAM
3
ECN3768BAM AN700TN0218B
460 400 480 ECN3761CAN ECN3762CAN ECN3763CAN
3
ECN3768CAN AN700TN0218C
575 400 600 ECN3761DAN ECN3762DAN ECN3763DAN
3
ECN3768DAN AN700TN0218D
NEMA Size 0123456
Horsepower 5 10 25 50 75 150 300