DS16U 1230C28G01 Westinghouse

APPLICATION
Eaton’s NEMA Type 7/9 disconnect switches are suited for Class I, Divisions 
1 & 2, Groups B, C, D; Class II, Division 1, Groups E, F, G; Class II, Division 2, 
Groups F, G; Class III; and Class I, Zones 1 & 2, Groups IIB + H2, as deffned by 
the National Electrical Code® as well as in damp, wet or corrosive locations. 
Additionally, this series is suitable for NEMA 3, 4, 4X applications. Eaton’s 
NEMA Type 7/9 disconnect should be installed, inspected, maintained and 
operated by qualiffed and competent personnel only.
INSTALLATION
1. Select a mounting location that will provide suitable strength and rigidity 
for supporting the Eaton’s NEMA Type 7/9 disconnect switch. Weights 
and dimensions are listed below.
Figure 1
2. Securely fasten enclosure to the mounting location, and then attach 
enclosure into conduit system. Install approved conduit or cable sealing 
ffttings in all conduit entries within 18 inches (46cm) of enclosure per the 
National Electrical Code requirements.
3. For Eaton’s NEMA Type 7/9 disconnect switch enclosures furnished 
with disconnect switch, please see Step 4. For Eaton’s NEMA Type 7/9 
disconnect switch enclosures furnished without disconnect switch, select 
appropriate disconnect switch from Table 2 below (ordered separately). 
a. Using hardware provided, securely mount disconnect switch on 
mounting plate with line terminals on top and load terminals on bottom. 
Use existing holes in mounting plate; please refer to mounting plate 
drawing below. Be sure to tighten screws to 3 ft.-lbs. (0.4 Kg.-m.).
Mounting plate drawing
Figure 2
b. The rating for each disconnect can be observed in Table 3.
4. Ensure the operator is in the OFF position and then remove the cover 
bolts while securing cover. Carefully open the cover fully to prevent 
damage to the machined joint ffame path and cover gasket. 
5. Pull wires into enclosure, making sure they are long enough to make 
the required electrical connections. Install the proper wire clamps or 
other approved devices to hold the wires securely in place. Install the 
ground, line and load wires. Tighten the wire binding screws to torque 
values shown on Table 4. 
Note: 
a. The internal grounding terminal shall be used as equipment 
grounding means. The external terminal is only a supplemental bonding 
connection.
IF 1772 • 03/17 Copyright
© 2017, Eaton’s Crouse-Hinds Division Page 1
To avoid risk of electrical shock, electrical power must be OFF before 
and during product installation and maintenance. Failure to comply can 
result in damage to equipment, injury or death to personnel.
WARNING
Table 1
Series
A B C D E F Weight
in mm in mm in mm in mm in mm in mm Ib Kg
DS361UX 9.74 247 5.00 127 10.47 266 11.13 283 12.47 317 3.50 89 33 15
DS362UX 9.90 251 7.00 178 12.53 318 15.13 384 16.53 420 3.50 89 51 23
DS363UX 10.28 261 9.00 229 14.67 373 17.13 435 18.67 474 3.50 89 72 33
DS361FX 10.02 255 7.00 178 12.67 322 13.13 333 14.67 373 3.50 89 47 21
DS362FX 9.90 251 7.00 178 12.53 318 15.13 384 16.53 420 3.50 89 51 23
DS363FX 10.40 264 15.00 380 17.31 440 11.50 292 23.31 592 3.50 89 108 49
Table 2
Series Amperage Switch type Manufacturer Mfr.’s part #
DS361UX 30A
Non-fusible 
EATON DS16U
DS362UX 60A EATON DS26U
DS363UX 100A EATON DS36U
DS361FX 30A
Fusible
EATON DS161R
DS362FX 60A EATON DS262R
DS363FX 100A EATON DS363R
Table 3 – Fusible and non-fusible switches, 3-pole, 600 VAC max., 250 VDC max.
Maximum horsepower rating
Mfr.’s 
part #
Ampere 
rating 
Fuse 
type 480 VAC 600 VAC 250 VDC Voltage 
DS16U 30
N/A
15 20 5
600 VAC, 
125/250 
VDC
DS26U 60 30 50 10
DS36U 100 60 75 20
DS161R 30
Class J
15 20 5
DS262R 60 30 50 10
DS363R 100 60 75 20