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LW31 is mainly used for electric switch cabinet or three-phase asynchronous motor load starting speed change and as the main circuit and auxiliary circuit conversion, can be fully replaced by other conversion switch.
|
Type
|
LW31-20
|
LW31-25
|
LW31-32
|
LW31-50
|
LW31-75
|
||||||||||||||||||||
|
Rated heating current Ith
|
A
|
20 | 25 | 32 | 50 | 75 | |||||||||||||||||||
| Rated operating voltage Ue |
V
|
110 | 220 |
440
|
110 | 220 | 440 | 500 |
690
|
110 | 220 | 440 | 500 |
690
|
110 | 220 | 440 | 500 |
690
|
110 | 220 | 440 | 500 |
690
|
|
|
Rated operating current Le
|
|
|
|
|
|
|
|||||||||||||||||||
|
AC-21A
|
A
|
20
|
25
|
32
|
50
|
70
|
|||||||||||||||||||
|
AC-22A
|
A
|
16
|
20
|
32
|
40
|
63
|
|||||||||||||||||||
|
DC-20
|
A
|
|
20 | 25 |
|
32 |
|
50 |
|
75 |
|
||||||||||||||
|
Rated control power
|
P
|
|
|
|
|
|
|||||||||||||||||||
|
AC-23A
|
KW
|
5 |
7.5
|
7.5 | 11 |
15
|
11 | 18.5 |
22
|
15 | 22 |
30
|
18.5 | 30 |
37
|
||||||||||
|
AC-3
|
KW | 4 |
5.5
|
5.5 | 7.5 |
11
|
7.5 | 15 |
18.5
|
11 | 18.5 |
22
|
15 | 22 |
30
|
||||||||||
| AC-4 | KW | 2.2 |
3
|
2.2 | 4 | 4 |
|
3 | 5.5 | 5.5 |
|
5.5 | 7.5 | 9 |
|
7.5 | 11 | 15 |
|
||||||
| DC-23 | KW | 0.77 | 1.2 |
|
2 | 2.2 |
|
2 | 2.2 |
|
3 | 6 |
|
4 | 8 | ||||||||||
Mechanical life and electrical life
Mechanical life: 0.3 * 106, operating frequency is 120 times / hour.
Electrical life: 0.6 x 104 times, the operating frequency of 120 times / hour.
| Type | Product dimensions | Mounting dimensions | ||||||||||
| A | C | H | L | E | D1 | D2 | S | F | G | D3 | T | |
LW31-20 |
□54 | Φ44 | 38 | 25+12n |
32 | Φ9.5 | Φ3.2 | 1.5 | 35 | Φ45 | Φ4.5 | 6 |
LW31-20 |
□72 | Φ44 | 38 | 25+12n |
32 | Φ9.5 | Φ3.2 | 1.5 | 58 | Φ45 | Φ4.5 | 6 |
LW31-25 |
□72 | Φ59 | 36 | 25+13n |
33 | Φ9.5 | Φ3.2 | 1.5 | 58 | Φ64 | Φ4.5 | 6 |
LW31-25 |
□105 | Φ59 | 53 | 23+13n |
33 | Φ9.5 | Φ3.2 | 1.5 | 85 | Φ64 | Φ4.5 | 6 |
LW31-32 |
□72 | Φ59 | 36 | 23+18n |
33 | Φ9.5 | Φ3.2 | 1.5 | 58 | Φ64 | Φ4.5 | 6 |
LW31-32 |
□105 | Φ59 | 53 | 23+18n |
33 | Φ9.5 | Φ3.2 | 1.5 | 85 | Φ64 | Φ4.5 | 6 |
LW31-50 |
□105 | Φ80 | 53 | 34+18n |
46 | Φ13 | Φ5.3 | 3 | 85 | Φ90 | Φ5.5 | 8 |
LW31-75 |
□105 | Φ80 | 53 | 34+27n |
46 | Φ13 | Φ5.3 | 3 | 85 | Φ90 | Φ5.5 | 8 |