Cut Sheet

Product Bulletin
30A & 40A Manual Motor Starters in
Non-Metallic, Watertight Enclosure
powerswitch™
MS4X Non-Fused Manual Motor Starters
in Type 4X Enclosure
Suitable as Motor Disconnect
Watertight and Dust-tight for Industrial Applications
Q-485
New Compact, Heavy Duty, Type 4X
Enclosed Motor Disconnect Switch
The new Powerswitch MS4X Series of enclosed motor starter
disconnect rated switches are the ideal choice for process
environments with non-ignitible particulate laden air, in areas
requiring frequent water washdowns or in outdoor exposure.
n Available in pre-assembled 30A & 40A Versions
n UL Type 4X Non-Metallic Enclosure
n IP67 "Watertight" Rated
n UL 508 Listed Manual Motor Controller
n Field Replaceable Switches
n Meets OSHA Lockout/Tagout Requirements
n Compact design saves space and provides for easier installation
Leviton's Powerswitch MS4X devices comply with NEC
®
Article 430's requirement for providing individual
disconnecting means for a controller and motor within the line of sight of motor and controller location. The
Type 4X enclosure makes the MS4X ideal for use in harsh environments, indoor or outdoor.
NEC and National Electric Code are registered trademarks of the National Fire Protection Agency
Cat. No. Description AC Horsepower Rating (HP)
120V 240V 480V 600V
MS302-DS 30 AMP, 600V AC, 2-Pole, 1Ø, Standard Toggle 2 5 10 15
MS302-DSS 30 AMP, 600V AC, 2-Pole, 1Ø, Short Toggle 2 5 10 15
MS303-DS 30 AMP, 600V AC, 3-Pole, 3Ø, Standard Toggle 3 7 ½ 15 20
MS303-DSS 30 AMP, 600V AC, 3-Pole, 3Ø, Short Toggle 3 7 ½ 15 20
MS402-DS 40 AMP, 600V AC, 2-Pole, 1Ø, Standard Toggle 2 5 10 15
MS403-DS 40 AMP, 600V AC, 3-Pole, 3Ø, Standard Toggle 3 7 ½ 15 20
N1302-DS Type 1 Metal Enclosure with MS302-DS Switch 2 5 10 15
N1303-DS Type 1 Metal Enclosure with MS303-DS Switch 3 7 ½ 15 20
N1303-TDS Type 1 Enclosure with Thermoplastic Cover and MS303-DS Switch 3 7 ½ 15 20
N3302-DS Type 3R Metal Enclosure with MS302-DS Switch 2 5 10 15
N3303-DS Type 3R Metal Enclosure with MS303-DS Switch 3 7 ½ 15 20
N13NC-DS
Type 1 Metal Enclosure Only
(Use only with 30A Motor Starter Switches listed above)
See switch ratings above
N13NC-TDS
Type 1 Thermoplastic Enclosure Only
(Use only with 30A Motor Starter Switches listed above)
See switch ratings above
N33NC-DS
Type 3R Metal Enclosure Only
(Use only with 30A or 40A Motor Starter Switches listed above)
See switch ratings above
Ordering Information
Additional 30A & 40A
Manual Motor Controllers
Suitable as Motor Disconnect
For a complete selection of Leviton Industrial Grade Switches, visit www.leviton.com/industrial.
Leviton Manufacturing Co., Inc.
201 N Service Rd, Melville, NY 11747
Telephone: [phone] • FAX: [phone]
Tech Line (7:00AM-7:30PM ET Monday-Friday): 1-800-824-3005
Leviton Manufacturing of Canada, Ltd.
165 Hymus Blvd, Pointe-Claire, QC H9R 1E9
Telephone: [phone] • FAX: [phone]
Leviton S. de R.L. de C.V.
Lago Tana 43, Col. Huichapan, Miguel Hidalgo, CP 11290 México DF
Tel. [phone] • Fax: [phone] • www.leviton.com.mx
Leviton Middle East, Ltd.
J/Ali Free Zone, View 19 7th Floor, Office 701 • PO Box 262742 Dubai, UAE
Tel: [phone] • Fax: [phone]
Visit our Website at: www.leviton.com/industrial email: [e-mail]
© 2009 Leviton Manufacturing Co., Inc. All rights reserved.