Extended/Direct Handle Motor Disconnect Switch
The KU...N series can be
used with extended and
direct handles
(see page 6-11 for details).
4 Pole
E185115
NEW
KU340N
3
(4 pole - KU440N)
40 A
600V AC
27 A
17 A
1 Phase
2
3
3
5
–
–
–
–
–
3 Phase
3
7.5
7.5
7.5
10
10
15
20
15
KU363N
3
(4 pole - KU463N)
60 A
600V AC
34 A
27 A
1 Phase
3
5
5
7.5
–
–
–
–
–
3 Phase
5
10
10
10
10
10
20
25
25
KU380N
3
(4 pole - KU480N)
80 A
600V AC
40 A
32 A
1 Phase
5
7.5
7.5
10
–
–
–
–
–
3 Phase
7.5
10
10
15
15
15
25
30
30
Catalog Number
No. of Poles
General Purpose Current
Maximum Voltage
Motor FLA @ 480V AC
Motor FLA @ 600V AC
Horsepower Rating/HP
110-120V AC
200V AC
208V AC
220-240V AC
265V AC
277V AC
380-415V AC
440-480V AC
550-600V AC
KU316N
3
(4 pole - KU416N)
16 A
600V AC
14 A
9A
1 Phase
1
1.5
1.5
2
–
–
–
–
–
3 Phase
2
3
3
3
5
5
7.5
10
7.5
KU325N
3
(4 pole - KU425N)
25 A
600V AC
21 A
11 A
1 Phase
1.5
2
2
3
–
–
–
–
–
3 Phase
3
5
5
5
7.5
7.5
10
15
10
Short Circuit Withstand
Rating at 600 V with Max.
Fuse Size/Class:
K5
RK5
RK1
J
10 kA
30 A
30 A
60 A
80 A
14-8 AWG
16 lb. in. (1.8 Nm)
No. 2 Pozidrive
10 kA
30 A
30 A
60 A
80 A
14-8 AWG
16 lb. in. (1.8 Nm)
No. 2 Pozidrive
10 kA
30 A
30 A
60 A
80 A
14-8 AWG
16 lb. in. (1.8 Nm)
No. 2 Pozidrive
10 kA
30 A
30 A
60 A
100 A
12-4 AWG
16 lb. in. (1.8 Nm)
No. 2 Pozidrive
10 kA
30 A
30 A
60 A
100 A
12-4 AWG
16 lb. in. (1.8 Nm)
No. 2 Pozidrive
Terminal Size
Acceptability
(Cu Conductors only, 75 °C)
Terminal Torque
Screw Head Type
Dimensions
KU3xxN - 3 Pole
73 mm
15 mm
58 mm
49.5 mm
15.8
mm
15.8
mm
15 mm
73 mm
KU4xxN - 4 Pole
65 mm
15.8
mm
15.8
mm
15.8
mm
58 mm
(to convert to inches multiply by 0.03937)
35 mm
66 mm
35 mm
74 mm
66 mm
Weight
Suitable Accessories
0.172 kg (0.379 lb.) (3 pole)
0.215 kg (0.474 lb.) (4 pole)
0.172 kg (0.379 lb.) (3 pole)
0.215 kg (0.474 lb.) (4 pole)
0.172 kg (0.379 lb.) (3 pole)
0.215 kg (0.474 lb.) (4 pole)
0.200 kg (0.441 lb.) (3 pole)
0.245 kg (0.540 lb.) (4 pole)
0.200 kg (0.441 lb.) (3 pole)
0.245 kg (0.540 lb.) (4 pole)
Extended Handle Applications
(
Door Interlock Mechanism)
Direct Handle Applications
Shaft
Handles
Auxiliary Switch
Fuse Holder
L(1,2,3)00AD11-ST
LK10 (Y/R) UL, LK11 (Y/R) U
KU1.V, KU2.V
—
K/KU3P (Y/R)
K/KU4P (Y/R)
OKA/KU LK10 x; OKA x
L(1,2,3)00AD11-ST
LK10 (Y/R) UL, LK11 (Y/R) U
KU1.V, KU2.V
—
K/KU3P (Y/R)
K/KU4P (Y/R)
OKA/KU LK10 x; OKA x
L(1,2,3)00AD11-ST
LK10 (Y/R) UL, LK11 (Y/R) U
KU1.V, KU2.V
KV 10x38, KV 10x38 CC
K/KU3P (Y/R)
K/KU4P (Y/R)
OKA/KU LK10 x; OKA x
L(1,2,3)00AD11-ST
LK10 (Y/R) UL, LK11 (Y/R) U
KU1.V, KU2.V
—
K/KU3P (Y/R)
K/KU4P (Y/R)
OKA/KU LK10 x; OKA x
L(1,2,3)00AD11-ST
LK10 (Y/R) UL, LK11 (Y/R) U
KU1.V, KU2.V
—
K/KU3P (Y/R)
K/KU4P (Y/R)
OKA/KU LK10 x; OKA x
Handle for 3 Pole
Handle for 4 Pole
Door Mounting Kits
4
Altech Corp.
®
• 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com
74 mm
Extended/Direct Handle Motor Disconnect Switch
The VKA...N series can be
used with extended and
direct handles
(see page 6-11 for details).
E185115
4 Pole
Catalog Number
No. of Poles
General Purpose Current
Maximum Voltage
Motor FLA @ 480V AC
Motor FLA @ 600V AC
Horsepower Rating/HP
110-120V AC
200V AC
208V AC
220-240V AC
265V AC
277V AC
380-415V AC
440-480V AC
550-600V AC
VKA380N
3
(4 pole - VKA480N)
80 A
600V AC
–
47 A
1 Phase
3
7.5
7.5
7.5
10
10
15
20
25
3 Phase
7.5
10
15
15
20
20
25
30
40
VKA3100N
3
(4 pole - VKA4100N)
100 A
600V AC
–
54 A
1 Phase
3
7.5
7.5
10
10
10
15
20
30
3 Phase
7.5
15
15
20
20
20
30
40
50
VKA3125N
3
(4 pole - VKA4125N)
125 A
600V AC
–
68 A
1 Phase
5
10
10
15
15
15
20
25
30
3 Phase
10
20
20
25
25
30
40
50
60
VKA3160N
3
(4 pole - VKA4160N)
150 A
600V AC
–
83 A
1 Phase
7.5
10
10
15
20
20
25
30
40
3 Phase
10
25
25
30
30
30
50
60
75
Short Circuit Withstand
Rating at 600 V with Max.
Fuse Size/Class:
K5
RK5
RK1
J
10 kA
150 A
150 A
–
200 A
8-1/0 AWG
50 lb. in. (5.6 Nm)
5 mm Allen Key
10 kA
150 A
150 A
–
200 A
8-1/0 AWG
50 lb. in. (5.6 Nm)
5 mm Allen Key
10 kA
150 A
150 A
–
200 A
8-1/0 AWG
50 lb. in. (5.6 Nm)
5 mm Allen Key
10 kA
150 A
150 A
–
200 A
8-1/0 AWG
50 lb. in. (5.6 Nm)
5 mm Allen Key
Terminal Size
Acceptability
(Cu Conductors only, 75 °C)
Terminal Torque
Screw Head Type
Dimensions
VKA3xxxN - 3 Pole
82 mm
15 mm
67 mm
53 mm
79 mm
69 mm
15 mm
20 mm
Ø4.5 mm
VKA4xxxN - 4 Pole
82 mm
67 mm
53 mm
99 mm
89 mm
20 mm
Ø4.5 mm
82 mm
(to convert to inches multiply by 0.03937)
1
35 mm
3
5
1
82 mm
35 mm
3
5
7
2
6
2
4
6
8
Weight
Suitable Accessories
0.480 kg (1.058 lb.) (3 pole)
0.620 kg (1.367 lb.) (4 pole)
0.480 kg (1.058 lb.) (3 pole)
0.620 kg (1.367 lb.) (4 pole)
0.480 kg (1.058 lb.) (3 pole)
0.620 kg (1.367 lb.) (4 pole)
0.480 kg (1.058 lb.) (3 pole)
0.620 kg (1.367 lb.) (4 pole)
Extended Handle Applications
(
Door Interlock Mechanism)
Direct Handle Applications
Shaft
Handles
Auxiliary Switch
Fuse Holder
L(1,2.3)00AD11-ST
LK10 (Y/R) UL, LK11 (Y/R) U
VKA1.V, VKA2.V
–
K/VKA3-4P (Y/R)
OKA/VKA x
L(1,2.3)00AD11-ST
LK10 (Y/R) UL, LK11 (Y/R) U
VKA1.V, VKA2.V
–
K/VKA3-4P (Y/R)
OKA/VKA x
L(1,2.3)00AD11-ST
LK10 (Y/R) UL, LK11 (Y/R) U
VKA1.V, VKA2.V
–
K/VKA3-4P (Y/R)
OKA/VKA x
L(1,2.3)00AD11-ST
LK10 (Y/R) UL, LK11 (Y/R) U
VKA1.V, VKA2.V
–
K/VKA3-4P (Y/R)
OKA/VKA x
Handle for 3 & 4 Pole
Door Mounting Kits
Altech Corp.
®
• 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com
5
Extended Handle
Accessories
DOOR INTERLOCK HANDLES
(padlockable with up to three 1/4” padlocks)
LK10
E185115
LK11
1/4”
Padlocks
1/4” Padlocks
1/4” Padlocks
1/4” Padlocks
12 mm
63 mm
Panel Drilling:
Ø78.5 mm
4 mm
LK10 (Y/R) UL:
• Single hole mounting (22.5 mm)
LK11 (Y/R) U:
• Retention mechanism (only
rotates 90° from off to on,
keeps handle in off position
while cabinet door is open)
Lockable with up to 3 padlocks.
Lockable with up to 3 padlocks.
38 mm
Drill
Template
Included
41 mm
Drill
Template
Included
0
Ø4
Ø79 mm
Ø22.5 mm
m
m
12.7 mm
28.2
mm
3 mm
Example of handle
with 1/4” padlocks.
Ø22.5 mm
28.2
mm
Ø4 mm
Cat. No.
Environmental Rating (UL)
(IEC)
Color
LK10 UL
UL Type 4X
IP66
Black
LK10 Y/R UL
UL Type 4X
IP66
Yellow/Red
LK11 U
UL Type 4X
IP67
Black
LK11 Y/R U
UL Type 4X
IP67
Yellow/Red
DEFEATABLE MECHANISM -
OPERATING INSTRUCTIONS
The defeater mechanism allows
a screwdriver to be inserted to
release the lock and open the
door with the mechanism in the
ON position.
Normal State
Defeated State
Normal State
Defeated State
PUSH Actuator
to the left and handle
can be defeated.
BREAK TAB
by pushing screwdriver or
equivalent with some force.
TAB
Actuator
PUSH IN
SCREWDRIVER
to defeat
mechanism
Warning: The defeater
mechanism should only be
used by a trained professional.
Note:
After tab is broken, NEMA Type 4X rating will be lost.
DOOR INTERLOCK SHAFT
The steel shaft ensures reliable operation
even in the toughest conditions.
Cat. No.
Length (L)
Material
L100 AD11-ST
100 mm
Steel
L200 AD11-ST
200 mm
Steel
L300AD11-ST
300 mm
Steel
Leng
th
SHAFT CUTTING RECOMMENDATIONS
1
cut to length
SHAFT LENGTH CUTTING GUIDELINE
LK10
Door Interlock Handle
22.5 mm
+
X mm
+
26 (±1.5) mm = Shaft
Length
LK11
Door Interlock Handle
22.5 mm
+
X mm
+
29 (±1.5) mm = Shaft
Length
notch
location
& width
2
~1 mm
8 mm
file tip
3
Panel Door
Panel Door
cut notch
(optional)
PZ0
1 Nm Max
PZ0
1 Nm Max
final
product
4
6
Altech Corp.
®
• 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com
Extended Handle Accessories
AUXILIARY SWITCHES
The auxiliary switches are the
snap-on type and can be
retrofitted. Makes later and
breaks earlier than the main
contacts.
Cat. No.
Electrical Rating
No. of contacts
For Use With
KU1.V
16 A/
1/2
HP/125-250V AC
1n.o./1n.c.
KU models
KU2.V
16 A/
1/2
HP/125-250V AC
2n.o./2n.c.
KU models
VKA1.V
16 A/
1/2
HP/125-250V AC
1n.o./1n.c.
VKA models
VKA2.V
16 A/
1/2
HP/125-250V AC
2n.o./2n.c.
VKA models
FUSE HOLDER
This fuseholder can be
retrofitted with the KU340N.
Therefore design changes
can be incorporated with
ease to allow a fusible
disconnect.
Kit shown; comes with
KU340N and fuse holder.
E185115
Cat. No.
Electrical Rating
*
Fuse Type
For Use With
Kit Includes
*For more detailed ratings please see pages 4-5.
KKV 332
30 A/600V AC
10x38, Midget
–
KV 10x38 / KU340N
58 mm
KKV 332CC
30 A/600V AC
Class CC
–
KV 10x38 CC / KU340N
71 mm
KV 10x38
30 A/600V AC
10x38, Midget
KU340N
–
KV 10x38 CC
30 A/600V AC
Class CC
KU340N
–
74 mm
74 mm
58 mm
Kit shown; comes with
switch and fuse holder.
50 mm
74 mm
70 mm
74 mm
79 mm
60 mm
32 mm
56 mm
59 mm
125 mm
56 mm
50 mm
60 mm
125 mm
56 mm
50 mm
60 mm
CHANGE-OVER KITS
• For 2 KU switches
• Available with black or yellow/red handle (Y/R)
Cat. No.
Color
Cat. No.
Color
134 mm
65.5 mm
7 mm
PARALLEL KITS
KU3/4P VV
Black
KU3/4P VV Y/R
Yellow/Red
93 mm
38 mm
48 mm
Center pivoting model
available, contact Altech.
L
•
•
•
•
For KU and VKA-switches
Assembly depth for KU 155-300 mm
Assembly depth for VKA 164-310 mm
Includes 200 mm steel shaft
75-220 mm
45 mm
Matching Handle
Cat. No.
Color
Cat. No.
Color
LK11 1-0-2 U
Black
LK11 1-0-2 Y/R U
Yellow/Red
Cat. No.
RV 66S-ST
RV 80S-ST
RV 104S-ST
Length (L)
66 mm
80 mm
104 mm
For use with
2x KU 3 pole (3P)
2x KU 4P/VKA 3P
2x VKA 4P
Dimensions
(to convert to inches multiply by 0.03937)
7
Altech Corp.
®
• 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com
Ø4.2 mm
Direct Handle Accessories and Mounting Alternatives
DIRECT HANDLES
Improved design with metal shaft. Use for all your “inside
the panel” applications. 1 suitcase lock location.
81 mm
52 mm
Lockable with 1 suitcase lock.
45 mm
36 mm
45 mm
66 mm
Cat. No.
Color
For use with
K/KU3P
Black
KU models (3P)
K/KU3P Y/R
Yellow/Red
KU models (3P)
81 mm
Lockable with 1 suitcase lock.
70 mm
74 mm
45 mm
36 mm
45 mm
66 mm
Cat. No.
Color
For use with
K/KU4P
Black
KU models (4P)
K/KU4P Y/R
Yellow/Red
KU models (4P)
Lockable with 1 suitcase lock.
Cat. No.
Color
For use with
K/VKA3-4P
Black
VKA models (3/4P)
K/VKA3-4P Y/R
Yellow/Red
VKA models (3/4P)
105 mm
3 Pole
66 mm
74 mm
4 Pole
66 mm
1
82 mm
45 mm
0
43 mm
60 mm
73 mm
95 mm
60 mm
73 mm
95 mm
ALUMINUM DIN RAIL
Panel mount option for small Disconnect Switches.
RKA 3P
35 mm
14 mm
1 mm
RKA 4P
35 mm
14 mm
1 mm
27 mm
Cat. No.
For Use With
4 mm
RKA 3P
KU325/40/63N
RKA 4P
KU425/40/63N
66 mm
7.5 mm
84 mm
4 mm
NOTE:
In the rare case that your mounting hardware (screws) for DIN Rail interfere with the enforcement studs in the back of the Motor Disconnect
Switch please use smaller (≤M3 or equivalent) flathead screws or change your DIN Rail to the 15mm high version.
Dimensions
(to convert to inches multiply by 0.03937)
8
Altech Corp.
®
• 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com
27 mm
7.5 mm
43 mm