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LW28 series dark-lock power cut-off switch is the product of LW28 series universal switch. The dark-lock power cut-off switch is mainly used as the power cut-off switch with self-locking in machine tools. It can lock itself at the breaking position (i.e. "O1') to prevent illegal operation.
Products meet standard GB14048.3 and IEC60947-3.
Technical parameter
Model specification |
|
LW28-10 |
LW28-20 |
LW28-25 |
LW28-32 |
LW28-63 |
Rated working voltage Ue |
V |
440 |
440 |
440 |
440 |
440 |
Prescribed heating current Ith |
A |
10 |
20 |
25 |
32 |
63 |
Rated working current le |
|
|
|
|
|
|
AC-21 A |
A |
10 |
20 |
25 |
32 |
63 |
AC-22A |
A |
10 |
20 |
25 |
32 |
63 |
AC-23A |
A |
7 |
12 |
15 |
22 |
57 |
Rated power P |
|
|
|
|
|
|
AC-23A |
kW |
2.2 |
3.7 |
5.5 |
7.5 |
18.5 |
Outline dimensions and mounting dimensions
Single hole with lock with panelLW28-☆/◇/OMS (☆ Is the current;◇ Is the contact code and the number of layers )

Single hole installation LW28-☆/◇/OS (☆ Is the current;◇ Is the contact code and the number of layers )


Special models and accessories
Single hole installation LW28(O)(☆ Is the current;◇ Is the contact code and the number of layers
□ For the handle)

Model specification |
Shape size |
Installation size |
Handle type |
|||||
A |
c |
L |
E |
F |
G |
1 B |
F |
|
LW28-10 |
|
28 |
35+Sn |
016.2 |
18 |
1.9 |
• • |
|
LW28-10X |
©29 |
28 |
39+12n |
©16.2 |
18 |
1.9 |
• • |
|
LW28-20 |
039 |
43 |
42+9.6n |
022.3 |
24.1 |
3.2 |
• • • |
|
LW28-20 |
①39 |
43 |
42+9.6n |
030.5 |
33 |
4.8 |
• • • |
|
LW28-20X |
①39 |
42 |
50+14n |
030.5 |
24.1 |
3.2 |
• • • |
|
LW28-20X |
®39 |
42 |
50+14n |
©30.5 |
33 |
4.8 |
• • • |
|
LW28-25 |
®39 |
45.2 |
42+12.8n |
©22.3 |
24.1 |
3.2 |
• • • |
|
LW28-25 |
0)39 |
45.2 |
42+12.8n |
030.5 |
33 |
4.8 |
• • • |
|
LW28-32F |
①39 |
48 |
42+14n |
022.3 |
24.1 |
3.2 |
• • • |
|
LW28-32F |
|
48 |
42+14n |
030.5 |
33 |
4.8 |
• • • |
Single hole installation LW28(O1)

Model specification |
Shape size |
Installation size Handle type |
||||
A |
c |
L |
E |
F |
G |
|
LW28-20 |
0>39 |
43 |
35+9.6n |
030.5 |
33 |
4.8 |
LW28-20X |
0>39 |
42 |
35+14n |
©30.5 |
33 |
4.8 |
LW28-25 |
039 |
45.2 |
35+12.8n |
030.5 |
33 |
4.8 |
LW28-32F |
0>39 |
48 |
35+14n |
030.5 |
33 |
4.8 |
LW28-32F |
039 |
48 |
35+14n |
©30.5 |
33 |
4.8 |
Double hole installation LW28-☆/◇/G□ (☆ Is the current;◇ Is the contact code and the number of layers □ For the handle)

Model specification |
Shape size |
Installation size |
||||
A |
C |
L |
F |
DI |
D2 |
|
LW28-20 |
39 |
43 |
24+9.6n |
30 |
015 |
®5 |
LW28-20X |
39 |
42 |
32+14n |
30 |
(P15 |
(D5 |
LW28-25 |
39 |
45.2 |
2S+12.8n |
30 |
$15 |
|
LW28-32F |
39 |
48 |
25+14n |
30 |
®15 |
Ct)5 |
LW28-32F |
39 |
48 |
32+14n |
30 |
(P15 |
①5 |
Special models and accessories


Door interlocking rail installation LW28-☆/◇/D1(△)
(☆Is the current,◇Is the contact code and the number of layers;△The length of the pole)

