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• Introduction
LW31 series rotary switches applied to switchgear and control of electric motors as well as to change over of electric circuits,it’s a good substitution for other cam switches.
• Technical parameters
Description | LW31-20 | LW31-25 | LW31-32 | LW31-50 | LW31-75 | |||||||||||||||||||
Rated thermal current ITH | A | 20 | 25 | 32 | 50 | 75 | ||||||||||||||||||
Rated working 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 working current Le |
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AC-21A | A |
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| 20 |
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| 25 |
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| 32 |
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| 50 |
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| 70 |
AC-22A | A |
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| 16 |
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| 20 |
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| 32 |
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| 40 |
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| 63 |
DC-20 | A | 20 |
| 25 |
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| 32 |
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| 50 |
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| 75 |
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power | P |
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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 |
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| 2 | 2.2 |
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| 3 | 6 |
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| 4 | 8 |
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Mechaical life
Mechanical life without load:0.3×106 times,operation frequency is 120 times/h.
Mechanical life with load:0.6×104 times operation frequency is 120 times/h.
• Dimensions and installation 
Description | Dimensions(mm) | Installation(mm) | ||||||||||
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. | |
Download：
LW31.docx
