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KW4 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: telephone、air conditioner、computer、humidifier、alarm、time
recorder、solder gun、fax machine、joystick、juice maker、mixer、toy
car、light、electric pot,etc.
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1
Outline
characteristic
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A：Hook up Style
B：Basic Style
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6
Electrical ratings
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1：5A 125/250VAC
2：5(2)A 250VAC
3：5A 250VAC
4：10.1A125VAC UL cUL
5：10A 250VAC TUV CE
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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： 2.8 Quick connect 2.8x0.5
2： Solder Terminal
3： PCB terminal
4： Right side PCB terminal
5： Left side 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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1：1.3mm
2：1.4 mm
3：1.5mm
4：2.0 mm
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5
Base colour
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0：Green
1：Black
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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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AC1000V 50/60HZ
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Between current-carrying metal parts and ground(case)
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AC1500V 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：500m/S2（approx.50G）Max
Malfunction：OF＞0.5N：300m/S2（approx.30G）Max
OF≤0.5N：200m/S2（approx.20G）Max
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Life expectancy
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1. Mechanical≥1000000cycles
2. 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 CQC
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| Connect terminal dimensions |
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