© 2021 Leviton Mfg. Co., Inc.
FOR CANADA ONLY
For warranty information and/or product returns, residents of Canada should contact Leviton in writing at
Leviton Manufacturing of Canada ULC
to the attention of the
Quality Assurance Department, 165 Hymus Blvd, Pointe-Claire
(Quebec), Canada H9R 1E9 or by telephone at 1 800 405-5320.
For Technical Assistance Call: 1-800-824-3005 (USA Only) or 1-800-405-5320 (Canada Only) www.leviton.com
LIMITED 3 YEAR WARRANTY AND EXCLUSIONS
Leviton warrants to the original consumer purchaser and not for the benefit of anyone else that this product at the time of its sale by Leviton is free of defects in materials and workmanship under normal and proper use for three years from the
purchase date. Leviton’s only obligation is to correct such defects by repair or replacement, at its option.
For details visit www.leviton.com or call 1-800-824-3005.
This warranty excludes and there is disclaimed liability for labor for removal
of this product or reinstallation. This warranty is void if this product is installed improperly or in an improper environment, overloaded, misused, opened, abused, or altered in any manner, or is not used under normal operating conditions or not in
accordance with any labels or instructions.
There are no other or implied warranties of any kind, including merchantability and fitness for a particular purpose
, but if any implied warranty is required by the applicable jurisdiction, the duration
of any such implied warranty, including merchantability and fitness for a particular purpose, is limited to three years.
Leviton is not liable for incidental, indirect, special, or consequential damages, including without limitation, damage
to, or loss of use of, any equipment, lost sales or profits or delay or failure to perform this warranty obligation
. The remedies provided herein are the exclusive remedies under this warranty, whether based on contract, tort or otherwise.
Powerswitch is a trademark of Leviton Mfg. Co., Inc., registered in the U.S.A.
NOTE: DO NOT REMOVE DIN RAIL.
1.
Remove both mounting screws securing the switch.
2.
Insert a flathead screwdriver into switch tab
(A)
. Gently pull tab outward, while pulling switch up, beginning with the tab side and then the opposite side.
NOTE:
If replacing the switch component, remove switch rod by loosening set screw
(B)
, pulling rod out of switch, and setting rod aside.
NOTE:
If replacing the switch component, you can remove auxiliary contact on switch, by inserting flathead screwdriver tip between switch and auxiliary contact, and pressing outward.
REMOVE SWITCH
NOTE:
If replacing the switch component, re-install switch rod, ensuring it is fully seated in bottom of pocket. Tighten set screw to 8-10 in.-lbs. (0.9-1.1 N-m).
NOTE:
If replacing the switch component, attach auxiliary contact (if applicable) to switch, by fitting the tabs on top and pressing in the auxiliary contact in a downward motion.
1.
Mount switch onto DIN rail by hooking back side hinge onto DIN rail, and then gently pull switch tab outward and push switch down, until it snaps into place.
2.
Slide switch into position and align the two screw holes with threaded holes in base plate. Tighten 2 mounting screws to 6-8 in.-lbs. (0.67-0.9 N-m).
3.
Verify switch cover properly mates with switch mechanism with cover closed, and that ON/OFF handle moves freely.
REPLACE SWITCH
Switch
mounting
screws
Flathead
screwdriver
Switch
tab
Switch rod set screw
A
B
MDS3-AX - SSCR Rating:
Suitable for use on a circuit capable of delivering not
more than 10kA rms symmetrical amperes, 600V
max., when protected by 60A, Class J fuses.
Rating
Poles
HP Rating
30/32A
2
120 VAC 1 Ø
2 HP
30/32A
2
208-240 VAC 1Ø
5 HP
30/32A
2
480 VAC 1 Ø
5 HP
30/32A
2
600 VAC 1 Ø
5 HP
30/32A
3
120/208 VAC 3 Ø
10 HP
30/32A
3
208-240 VAC 3 Ø
10 HP
30/32A
3
480 VAC 3 Ø
20 HP
30/32A
3
600 VAC 3 Ø
25 HP
Auxiliary Contact Rating
10A
1
600 VAC
Short circuit ratings at 600VAC
kA
Fuse / A
Class of fuse
10
60
J
HP Rating: 30/32A-600VAC Max.
Torque:
Switch terminals:
7 in.-lbs. (0.8 N-m)
Neutral terminals:
15 in.-lbs. (1.7 N-m)
Ground terminals:
15 in.-lbs. (1.7 N-m)
Auxiliary contact*:
7 in.-lbs. (0.8 N-m)
*(if used)
Conductor sizes accepted:
Switch terminals:
#14 - #8 AWG
Neutral terminals:
#14 - #8 AWG
Ground terminals:
#14 - #8 AWG
Auxiliary contact*:
#18 - #14 AWG
*(if used)
MDS3-AX, MDS3-AC, MDS3-ST, MDS3-AST
MDS6-AX - SSCR Rating:
Suitable for use on a circuit capable of delivering not
more than 100kA rms symmetrical amperes, 600V
max., when protected by 100A, Class J or T fuses.
Rating
Poles
HP Rating
60A
2
120 VAC 1 Ø
2 HP
60A
2
208-240 VAC 1 Ø
10 HP
60A
2
480 VAC 1 Ø
20 HP
60A
2
600 VAC 1 Ø
20 HP
60A
3
208-240 VAC 3 Ø
20 HP
60A
3
480 VAC 3 Ø
40 HP
60A
3
600 VAC 3 Ø
40 HP
Auxiliary Contact Rating
10A
1
600 VAC
Short circuit ratings at 600VAC
kA
Fuse / A
Class of fuse
100
100
J or T
HP Rating: 60A-600VAC Max.
Torque:
Switch terminals:
18 in.-lbs. (2 N-m)
Neutral terminals:
31 in.-lbs. (3.5 N-m)
Ground terminals:
31 in.-lbs. (3.5 N-m)
Auxiliary contact*:
7 in.-lbs. (0.8 N-m)
*(if used)
Conductor sizes accepted:
Switch terminals:
#14 - #4 AWG
Neutral terminals:
#14 - #1/0 AWG
Ground terminals:
#14 - #2 AWG
Auxiliary contact*:
#18 - #14 AWG
*(if used)
MDS6-AX, MDS6-AC,
MDS6-ST, MDS6-AST
MDS8-AX - SSCR Rating:
Suitable for use on a circuit capable of delivering not
more than 100kA rms symmetrical amperes, 600V
max., when protected by 100A, Class J or T fuses.
Rating
Poles
HP Rating
80A
2
120 VAC 1 Ø
2 HP
80A
2
208-240 VAC 1 Ø
10 HP
80A
2
480 VAC 1 Ø
20 HP
80A
2
600 VAC 1 Ø
20 HP
80A
3
208-240 VAC 3 Ø
20 HP
80A
3
480 VAC 3 Ø
40 HP
80A
3
600 VAC 3 Ø
40 HP
Auxiliary Contact Rating
10A
1
600 VAC
Short circuit ratings at 600VAC
kA
Fuse / A
Class of fuse
100
100
J or T
HP Rating: 80A-600VAC Max.
Torque:
Switch terminals:
18 in.-lbs. (2 N-m)
Neutral terminals:
31 in.-lbs. (3.5 N-m)
Ground terminals:
31 in.-lbs. (3.5 N-m)
Auxiliary contact*:
7 in.-lbs. (0.8 N-m)
*(if used)
Conductor sizes accepted:
Switch terminals:
#14 - #4 AWG
Neutral terminals:
#14 - #1/0 AWG
Ground terminals:
#14 - #2 AWG
Auxiliary contact*:
#18 - #14 AWG
*(if used)
MDS8-AX, MDS8-AC
MDS1-AX - SSCR Rating:
Suitable for use on a circuit capable of delivering not
more than 65kA rms symmetrical amperes, 600V
max., when protected by 100A, Class J fuses.
Rating
Poles
HP Rating
100A
2
110-120 VAC 1 Ø
7.5 HP
100A
2
220-240 VAC 1 Ø
20 HP
100A
2
277 VAC 1 Ø
25 HP
100A
2
440-480 VAC 1 Ø
30 HP
100A
3
550-600 VAC 3 Ø
30 HP
100A
3
110-120 VAC 3 Ø
15 HP
100A
3
220-240 VAC 3 Ø
40 HP
100A
3
440-480 VAC 3 Ø
60 HP
100A
3
550-600 VAC 3 Ø
50 HP
Auxiliary Contact Rating
10A
1
600 VAC
Short circuit ratings at 600VAC
kA
Fuse / A
Class of fuse
65
100
J
HP Rating: 100A-600VAC Max.
Torque:
Switch terminals:
27 in.-lbs. (3 N-m)
Neutral terminals:
53 in.-lbs. (6.0 N-m)
Ground terminals:
31 in.-lbs. (3.5 N-m)
Auxiliary contact*:
7 in.-lbs. (0.8 N-m)
*(if used)
Conductor sizes accepted:
Switch terminals:
#8 - #1/0 AWG
Neutral terminals:
#6 - #1/0 AWG
Ground terminals:
#14 - #2 AWG
Auxiliary contact*:
#18 - #12 AWG
*(if used)
MDS1-AX, MDS1-AC
Patents covering this product, if any, can be found on Leviton.com/patents.
NSF is a registered trademark of NSF International.
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