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Momentary Push Switch
Momentary Push Switch
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Photo |
Description |
Contact |
Type |
Color |
Contour |
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Flush Button Momentary |
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Flush Button Momentary |
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Projecting button Momentary |
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Flush Button
Momentary |
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Flush Button Momentary Marked |
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Projecting button Momentary Marked |
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Explanation of Type Designation
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LA139A Series |
EA Flush Pushbutton（Momentary） EL Projecting Pushbutton（Momentary） EP Flush Pushbutton(Cover)（Momentary） EC Pushbutton,Mushroom(Momentary,∅40) ER Pushbutton,Mushroom(Momentary,∅60) |
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1=1NO 2=1NC 3=1NO 4=1NC 5=1NO+1NC |
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PHOTO |
Description |
Contact |
Type |
Color |
Contour |
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Direct Supply 12～240V Ba9s Bulb(LED/Neon) |
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Direct Supply 12V Ba9s Bulb with resistance(LED/Neon) |
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Direct Supply 12～240V Ba9s Bulb(LED/Neon)(with water-proof cover)IP65 |
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Explanation of Type Designation
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LA139A Series |
IIIuminated EW3 Pushbutton(Flush) EPW3 Pishbutton(Flush,Cover) |
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BA9S base 6=Direct bulb included, 7=Via integral resistance, 4=Via integral transformer |
1=1NO 2=1NC 3=2NO 4=2NC 5=1NO+1NC |
Feature:
Installed diameter 22 mm
Protection grade: IP40/IP65/IP66
Solid, reliable and 3, 000,000 mechanical life， 500，000 electrical life
50,000 hours working life of the LED indicator
Normally open and normally closed contact groups are independent of each other and can be combined on demand for easy replacement
BA9S lamp is adopted for button and signal lamp, and different lamp sources can be selected as required
Mode and Meaning
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B:Metal Series E:Plastic Series |
A : Flush Pushbutton L :Projecting Pushbutton p:Pushbutton (Cover) W: Pushbutton (Illuminated) D: Selector Switch(Short-handle) J : Selector Switch(Short-handle) G:Key-operated E :Contact Block Z: Contact Block+Holder B : Pushbutton,Mushroom(<P30) C : Pushbutton,Mushroom(cp40） R : Pushbutton,Mushroom(cD60)
S4: Emergency Stop Pushbutton
S5:Emergency Stop Pushbutton
S6: Emergency Stop Pushbutton
T :Emergency Stop Pushbutton V:Pilot Light |
Colour 1:White 2:Black 3:Green 4: Red 5:丫ellow 6:Blue Selector Switch BD BJ BG 2 :2- position (Maintained) 3:3- position (Maintained) 4:2- position (Momentary,R to L) 5:3- position (Momentary,R to C&LtoC) 6:3-position (Momentary,R to C） 7:3-position (Momentary,LtoC) |
BA 3 :BL With Mark (BA,BL0nly)
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Contact Block 1 : 1NO 2 : 1NC 3 : 2NO 4 : 2NC 5: 1N0+1NC |
Working Environment
Working environment temperature ：-25~+70°C
Storage temperature ：-40~+70°C
Class of pollution ：3
Protection grade: IP40/IP65/IP66
Limit height:≤2000m
Standard
EN 60947-1,GB14048.5
Rated thermal current：10A
Switch rating ：AC-15 Ue:380V/250V Je=4.5A
DC-13 Ue:220V/110V ,le = 0.6A
Contact resistance ：≤50mA
Recommended torque：0.9Nm
Connectable area：min1 x0.5mm2,Max2x1.5mm2or1x2.5mm2
Mechanical life：Pushbutton≥ 300 x 104times;
Selector Switch≥ 1004times;
Emergency Stop Pushbutton≥ 30 x 104times
Electrical life：≥ 30x104times
Limit voltage(lamp)：0.8Ue≤U≤1.15Ue
Feature
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Comfortable finger press position and toggle switch Function identifying Automatic grounding Anti finger electric shock design |
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Whole series with model number LA139A Push button head assembing with terminal base The push button head is automatically kept in the open hole Twist the button head to a certain angle, and then lock with the contacted base Fixed with 2 metal screw Quake proof Automatic grouding No need to loose the screw first with the open-style connect part Electrical function Can install 6 pairs connect unit at most |
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Chrome plated metal head and installed base Shockproof screw terminals Soild, reliable and 3,000,000 mechanical life 50,000 hours working life of the LED indicator |
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Protection degree： IP65 |
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allation opening diagram （thickness 1-6mm） |
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Protection degree:IP65 The installation of the button head;
The back part fixed by screw |
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The minimum surface of the plate The most shallow of The installed depth |
The thickness of LA139A series inatalled plated is 1-5mm |
The connected bass is cassette fixed
Do not need any tool |
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Complete symbol-making function symbol on the button according your special requiment. |
The transparent and ring form scale plate |
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Different choice |
Constitute with enclosure
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