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LW28(LW39,LW26) Rotary Switch

LW28(LW39,LW26) Rotary Switch - Change Over Switch

 

Application:
LW28 Series Universal switch mainly for the exchange of 50Hz, rated voltage of 440V and below.Sunshine following DC voltage, rated current of the electrical circuits to 63A,not connected or breaking frequently for manual control and conversion circuits for use.and also the direct control of three-phase asynchronous motor circuit as a master control and measurement purposes.Products are extensively used, instead of switching between different formal conversion, as the official switch control circuits, switching test equipment.motor control switches, and master control switches, and other switch welding machine.

Normal working conditions
1. Ambient air temperature does not exceed +40, and the average temperature does not exceed its 24 +35;
2. ambient air temperature does not exceed the limit of -5;
3. installation location at an altitude of less than 2000m;
4. maximum temperature of +40, the air temperature does not exceed 50% relative.at a lower temperature can allow a higher relative humidity.For example, at 20 up to 90%. Dewing due to temperature changes occasional special measures.

Specifications:
5.1 By Uses pm main circuit switch with a switch Switch.Motor control using direct conversion Switch and master control and measurement conversion Switch.Have an operationLocation By Mode of 5.2.Since REPLICA and positioning Since REPLICA.Contact System by 5.3 hours, a 1-3 Switch Location conversion FestivalSwitch direct control of the main electrical switch using a 1-3 FestivalSwitch direct control of the main electrical switch using a 1-6 festival.5.4 hours at 30 angles by four 5,60 and 90.Face Shape Square Face by 5.5 score.Rectangular face and Round Face (20A has only).Knob Types down by 5.6 R-, I-, F-, B-, S-, L-and P-type and K-type, a total of eight.5.7 Operating Position By Mode of operation and see if the composition shown in Table.

The following table shows the conversion of the Main technical parameters Switch.

Mode of operation Code Conversion point code
Since A           0 30                 →0 45
B         30 0 30               45 →0 45
location C           0 30                 →0 45
D         30 0 30               45 →0 45
E         30 0 30 60             45 →0 45
F       60 30 0 30 60           90 45 →0 45
G       60 30 0 30 60 90         90 45 →0 45
H     90 60 30 0 30 60 90       135 90 45 →0 45
I     90 60 30 0 30 60 90 120     135 90 45 →0 45
J   120 90 60 30 0 30 60 90 120              
K   120 90 60 30 0 30 60 90 120 150            
L 150 120 90 60 30 0 30 60 90 120 150            
M 150 120 90 60 30 0 30 60 90 120 150 180          
N                             45 45
Since the Positioning REPLICA Z         30 →0 60               90 →0 45
                          135 90 →0 45

Mode of operation Code Conversion point code
Since A                          
B                          
location C           0 60     0 90  
D         60 0 60   90 0 90  
E 90       90 30 30 90   90 0 90 180
F 90       90 30 30 90 150        
G 90 135   150 90 30 30 90 150        
H 90 135                      
I 90 135 180                    
J                          
K                          
L                          
M                          
N           30 30            
Since the Positioning REPLICA Z                          
                         

Models lth
A
Ui
V
Ue
V
AC-21A AC-22A AC-23A AC-2 AC-3 AC-4 AC-15 DC-13
le
A
le
A
le
A
P
kW
le
A
P
kW
le
A
P
kW
le
A
P
kW
le
A
le
A
LW28-20 20 660 440 20 20 15 7.5 15 7.5 11 5.5 3.5 1.5 4  
240                     5 1
120                       5
LW28-25 25 440 25 25 22 11 22 11 15 7.5 6.5 3 5  
240                     8 1.5
120                       9
LW28-32 32 440 32 32 30 15 30 15 22 11 11 5.5 6  
240                     14 11
120                       25
LW28-63 63 440 63 63 57 30 57 30 36 18.5 15 7.5    
120                       55
LW28-125 125   125 125 125 100 45 100 45 50 22 18 12   90
LW28-160 160   160 160 160 115 57 115 57 65 33 25 15   110
Operation Cycle Unladen 8500 Life(Meeting)
2010 4 610 4
Load 1500 Mechanical life (Meeting)
Total 1000 6010 4

The following table shows the relevant Size Map1
Models Face Shape Size(mm)   A       B        C        L A b d1 d2
LW28-20 M1Square 48 48 40 22+9.6n 36 36 8.5 4.5
M1Rectangular 48 60 43 22+9.6n 36 36 8.5 4.5
M2Square 64 64 43 25+9.6n 4 4 10 4.5
M2Rectangular 64 80 43 25+9.6n 48 48 10 4.5
LW28-25 M1Square 48 48 45.2 23+12.8n 36 36 8.5 4.5
M1Rectangular 48 60 45.2 23+12.8n 36 36 8.5 4.5
M2Square 64 64 45.2 26.5+12.8n 48 48 10 4.5
M2Rectangular 64 80 45.2 26.5+12.8n 48 48 10 4.5
LW28-32 M2Square 64 64 58 29.2+12.8n 48 48 10 4.5
M2Rectangular 64 80 58 29.2+12.8n 48 48 10 4.5
LW28-63 M2Square 64 64 66 29.2+21.5n 48 48 10 4.5
M2Rectangular 64 80 66 29.2+21.5n 48 48 10 4.5
M3Square 88 88 66 29.2+21.5n 68 68 10 4.5
M3Rectangular 88 107 66 29.2+21.5n 68 68 10 4.5
LW28-125 M3Square 88 88 84 35+26.5n 68 68 13 6
M3Rectangular 88 107 84 35+26.5n 68 68 13 6
LW28-160 M3Square 88 88 88 35+32.5n 68 68 13 6
M3Rectangular 88 107 88 35+32.5n 68 68 13 6

Models Meaning:
Meet standards:Circuit switch use, and directly controlling the main switch with GB14048.3-1993. master control switch with GB14048.5-1993 use.
4.1 Use master control switchSwitch的Models Meaning
LW28(LW39,LW26) Rotary Switch Models Meaning - Change Over Switch
Note : The code change angle of 30 (3), 45  (4) at 60 (6) ,14.0 (9);Since the rehabilitation of 60 30 position (36), 45 90 position since Minute (49).
4.2 The main circuit controlling the conversion Switch Models Meaning
LW28(LW39,LW26) Rotary Switch Models Meaning - Change Over Switch 
Note : Switch conversion circuit used commonly used 60 change.
4.3 Use master control switchSwitch的Models Meaning
LW28(LW39,LW26) Rotary Switch Models Meaning - Change Over Switch
Note : The direct conversion Switch control motors commonly used 60 change.

Dimension:
 LW28(LW39,LW26) Rotary Switch Dimensions - Change Over Switch


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