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KW3 Micro Switch Series
■ Features
Small contact clearance, high sensitivity
Snap action, high precision and high repeat accuracy
Flexible operating travel, wide range of operating force
Wide variety of terminal types
Wide variety of actuator forms
Adopt flame-retarded and fiber enhanced thermoplastics
Long life cycles, high reliability
Various approvals
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■ Application
Widely applied in home appliances, medical devices, office
facility, instrument and apparatus, electric motion tools, packing
machinery, auto electronics etc.
Examples: vending machines, gaming machines, coffee machines,
dishwashers, dryers, washing machines, microwave ovens, Central
water heating, vacuum cleaners, water pump, projecting apparatus,
industrial automations etc.
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1 Outline characteristic
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A：NO.1 form
B：NO.2 form
C：NO.3 form
D：Combined Micro switch
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6 Electrical ratings
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1：16A 125/250VAC
2：6A 125/250VAC
3：16(6)A 125/250VAC
4：10(3)A 250VAC
5：6(3)A 250VAC
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2 Circuit
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1：SPDT SP change-over
2：SPST-NO
3：SPST-NC
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7 Degree of temperature
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1：T55
2：T85
3：T120
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3 Termination
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1： 250 Quick connect
Terminal 6.3x0.8mm
2： 187 Quick connect
Terminal 4.8x0.8mm
3： 187 Quick connect
Terminal 4.8x0.5mm
4： Solder Terminal
5： PCB terminal
0： Non-standard terminal
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8 Actuator forms (Levers)
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Refer to lever list
L1
L2
L3
……
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4 Plunger catagory
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1：2mm
2：2.5 mm
3：3 mm
4：3.2 mm
5：Round Plunger
0：Special Plunger
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5 Base colour
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0：Green
1：Black
2：Brown
3：Red
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Items
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Value
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Operating speed
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0.1mm~1m/S
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Operating Frequency
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Mechanical 60cycles/min;
Electrical 25cycles/min
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Insulation resistance
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≥100MΩ(DC500V)
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Contact resistance
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≤30mΩ(Initial value)
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Test voltage
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Between terminals of same polarity
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AC1500V 50/60HZ
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Between current-carrying metal parts and ground(case)
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AC3750V 50/60HZ
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Vibration resistance
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10～55 HZ 1.5mm Double amplitude
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Shock resistance
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Destruction： OF＞0.5N：1000m/S2（approx.100G）Max
OF≤0.5N：400m/S2（approx.40G）Max
Malfunction： OF＞0.5N：200m/S2（approx.20G）Max
OF≤0.5N：100m/S2（approx.10G）Max
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Life expectancy
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1. 机械寿命≥2000000次
Mechanical≥2000000cycles
2. 电气寿命≥50000次
Electrical≥50000cycles
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Degree of protection against electric shock
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ClassⅠ/ClassⅡ
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PTI
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175
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Approvals
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UL CUL VDE TUV CE DEMKO
CQC
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| ■ Connect terminal
dimensions |
| ■ Actuator forms
(Levers) |
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