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Big Discount Rotary Disconnect Switch - LW31-Rotary Switch – Leyu
Big Discount Rotary Disconnect Switch - LW31-Rotary Switch – Leyu Detail:
Common band switches and shift switches of multimeters are rotary switches, and there are two structures: one is BBM (Break Before Make) contact type, which is characterized in that the moving contact first disconnects the front contact when changing positions After connecting the rear contact, there is a state of disconnection with the front and rear contacts: the other is the MBB (Make Before Break) contact type, which is characterized by a state where the moving contact is in contact with both the front and rear contacts when changing positions. . Then disconnect the front contact and keep in contact with the rear contact. In the circuit design, the appropriate rotary switch should be selected according to the purpose of the circuit and the safety of the circuit.
| Ampere: | 20A, 25A, 32A, 50A, 75A,100A |
| Voltage: | 110-690VAC |
| Features: | CE CCC ISO9001 certification |
| 300,000 times life span | |
| Operate frequency: 120 times per hour |
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.
| 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 | ||||||||||||||||||||||||
| AC-21A | A | 20 | 25 | 32 | 50 | 70 | ||||||||||||||||||
| AC-22A | A | 16 | 20 | 32 | 40 | 63 | ||||||||||||||||||
| DC-20 | A | 20 | 25 | 32 | 50 | 75 | ||||||||||||||||||
| 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 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.
| 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. | |
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We usually keep on with the principle "Quality To start with, Prestige Supreme". We've been fully committed to offering our purchasers with competitively priced excellent solutions, prompt delivery and skilled support for Big Discount Rotary Disconnect Switch - LW31-Rotary Switch – Leyu , The product will supply to all over the world, such as: Bahrain, Malawi, Malaysia, We are in continuous service to our growing local and international clients. We aim to be worldwide leader in this industry and with this mind; it is our great pleasure to serve and bringing the highest satisfaction rates among the growing market.
By Sabrina from Mombasa - 2017.12.19 11:10
It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!
By Gary from Slovak Republic - 2018.07.27 12:26
