KW4A(S)-DSW5F200 Micro Switch KW4A(S) series Roller Arm/Lever
Series:KW4A(S) series
Actuating Force
The force required to move the actuator from the free to the operation position
Release Force
The force allowed the mechanism to reset actuator after operation
Free Position
The position of the actuator when no external force is applied
Operating Position
The position of the actuator when contact change-over take place
Movement Differential
The distance between operation and release position
- Applications
- Technical parameters
- Remarks
-
Widely used in home appliance, electronic equipment, automatic machine,
communication equipment, car electron, apparatus and instrument, electric motion tool etc.
Rice cooker
Slow cooker
Electric Heating Faucet
Shredder
Electromagnetic lock
Baby chair
CNC machine tools
Power generator
Test equipment
Power tools
Air conditioner
Water heater control panel
Bathroom products
Vacuum cleaner
Kitchen products
Gas valve
3.DETAIL SPECIFICATIONS
Type:KW4A(S)-DSW5F200
Construction category:D type
Operation method:Snap Action
Configuration:Single-Pole Single-Throw (SPST)
Terminal form:Solder Terminal
Mounting:via side mounting holes
Protection:IP40
3.1 OPERATING CHARACTERISTICSCharacteristics
Units
Standards
Note
Actuating Force
N
2.0 Max
Original 2.0Max.
Free Position
mm
11.5Max
Original 11.5 max.
Operating Position
mm
9±0.8
Original 9±0.8
OPERATING CHARACTERISTICS
Note:
Actuating Force
The force required to move the actuator from the free to the operation position
Release Force
The force allowed the mechanism to reset actuator after operation
Free Position
The position of the actuator when no external force is applied
Operating Position
The position of the actuator when contact change-over take place
Movement Differential
The distance between operation and release position3.2 General
3.2.1 Application This specification is applied to KW4A(S)Micro Switch used for electronic equipment.
3.2.2 Operating Temperature Range -25℃ ~ +125℃
3.2.3 Test Conditions Unless otherwise specified. The atmosphericconditions for making measurements and
tests are as follows:
Ambient temperature:15~35℃
Relative humidity:45~85%
Air pressure:86~106kPa (860~1060 mbar)
Should any doubt arise in judgment. It shall be conducted at the following conditions.
Ambient temperature:20±2℃
Relative humidity:60~70%
Air pressure:86~106kPa (860~1060 mbar)
3.3Appearance construction and dimensions
3.3.1 AppearanceSwitch shall have good finishing, and no rust crack or plating failures.
3.3.2construction and dimensionsRefer to individual product drawing.
3.4. Electrical specificationsNO.
Items
Test Condition
Criteria
3.4.1
Contact Resistance
Shall be measured at 1A,5V DC by voltage
drop method after some operations without load.
Applied position: Between terminal “C” and
terminal “NO”.
50mΩ MAX
3.4.2
Insulation resistance
Test voltage:500VDC, measured after 1
min ±5s
Applied position: 1)Between terminal “C”
and terminal “NO”
2)Between terminal and ground
100MΩ MIN
3.4.3
Voltage proof
Following test voltages shall be applied
for 1 min.
(Cut-off current:0.5mA)
1)Between terminal “C” and terminal
“NO”:1000VAC (50~60Hz)
2)Between terminal and ground:
1500V AC(50~60Hz)
Nodielectric breakdown
shall occur
3.5. Durability
No.
Item
Test Condition
Criteria
3.5.1
Cold
After testing at -25±2℃ for 96 h,
the switch shall be allowed to stand
under normal room temperature
and humidity condition for 1h, and
then measurement shall be made
within 1 h. water drops shall be
removed.
Contact resistance(item 4.1):
100mΩ MAX
Insulation resistance (item 4.2):
50MΩ MIN
Voltage proof:(item 4.3)
Nodielectric breakdown shall occur.
Operating characteristic (item 5.1):
Within specified value .
No abnormalities shall be recognized
in appearance and construction常。
3.5.2
Dry heat
After testing at 125±2℃ for 96 h, the
switch shall be allowed to stand
under normal room temperature and
humidity condition for 1h, and
then measurement shall be made
within 1 h.
3.5.3
Damp heat
After testing at 40±2℃ and 90-95%RH
for 96 h, the switch shall be
allowed to stand under normal room
temperature and humidity
condition for 1h, and then measurement
shall be made within 1 h.
water drops shall be removed.
3.5.4
Change of
temperature
After 5 cycles of following conditions
the switch shall be allowed to
stand under normal room temperature
and humidity condition for
1h, and then measurement shall be
made within 1 h. water drops
shall be removed.
3.5.5
Salt mist
Switch shall be checked after
following lest.
1) Temperature: 35±2℃
2) Salt solution: 5±1%
(solids by mass)
3) Duration: 24±1h
After test, salt deposit shall be
removed in running water
No remarkable corrosion shall
be recognized in metal part
3.6. Welding Performance
3.6.1
Solder ability
Switch test under such
conditions and inspect after.
1)Variable temperature
range:235±5℃;
2)Dip time:3±0.5s;
The area of dip tin
should
capture
the 95% impregnated
area
3.6.2
Resistance to
soldering heat
The switch will be inspect under such conditions below
Temperature and impregnated time
Trial measure
temperature(℃)
Time(s)
Slot welding method
260±5
5±1
Soldering method
350±5
3±0.5
All of the appearance,
motor
functions, electrical
properties
are no abnormal.
3.7. Durability
NO.
Item
Test Condition
Criteria
3.7.1
Endurance
(According
to
UL61058)
1/4hp 250VAC
Switch shall be operated according to following sequence
(Test1~Test2)
Voltage
Current
Power
Factor
Operation
Rate
Operation
Cycles
Test 1
250V
60A
0.4-0.5
6-10cycles/min
50cycles
Test 2
250V
10A
0.7-0.8
6-10cycles/min
50000cycles
5GPA 125/250VAC;4A ,30VDC
Switch shall be operated 50,000 cycles at 15~20cycles/min
Voltage proof(Cut-off current:0.5mA)
Insulation
resistance
(item 4.2):
50MΩ MIN;
Voltage proof:
Terminaland
terminal:
1000VAC
No dielectric
breakdown
shall occur.
Operating
characteristic
(item 5.1):
Within 20% of
specified
value .6000 cycles
temperature
rise: 30℃ MAX;
50000cycles
temperature
rise: 55℃ MAX;
No
abnormalities
shall be
recognized in
appearance
and construction
3.7.2
Endurance
(According
to
EN61058-1
/IEC61058
-1)
5(2)A 125/250VAC
4A 30VDC
Switch shall be operated 50,000
cycles at 15~20cycles/min
Voltage proof:Test voltage shall
be applied for 1 min(50~60Hz,
Cut-off current:0.5mA)
Insulation
resistance
(item 4.2):
50MΩ MIN
Voltage proof:
Terminal and
terminal:
750VAC
Terminal and
ground:
1125VAC
No dielectric
breakdown
shall occur.
Operating
characteristic
(item 5.1):
Within 10%,-30%
of
specified
value .Temperature rise:
55℃ MAX
No abnormalities
shall be
recognized in
appearance
and construction
4. DRAWING & DIMENSION
5. CIRCUIT DIAGRAM
7.1
Packing material:
Plastic box /
Double-layers paper carton
7.2
Packing number:
100 pieces per box;25 boxes per inner
carton;4 inner cartons per shipping cartons
7.3
Weight:
Gross Weight: 24kg
Net Weight: 21kg
7.4
Size:
500 x 530 x 240mm
Approved Rating
Mark
Reference No.
5GPA 125/250VAC 1/4hp 250VAC 25T125,
5E4,50-60Hz IP40 4A,30 V dc 25T125,5E4, IP40
UL&CUL
E176213
5A250VAC 10E3 10T85
VDE
40012206
5A250VAC 1E4 10T85 5(2)A250VAC 5E4 T125
CQC
CQC04002011511
CQC09002029703
NEMKO
5A250VAC 10E3 10T85
SEMKO
1018469
FIMKO
5(2)A125/250VAC 25T125,5E4,50-60Hz IP40 4
A, 30 V dc 25T125,5E4, IP40
DEMKO
D-01298
5(2)A250VAC 5E4 T125
CE
AN50182430 0001
SH09050215A1-001
5(2)A250VAC 5E4 T125
TUV
R50087602
5(2)A 125/250VAC 25T125,5E4,50-60Hz IP40 4
A, 30 V dc 25T125,5E4, IP40
ENEC
ENEC-00273
5A250VAC 10E3 10T85
EK
SU02030-6002A
5(2)A 125/250VAC 25T125,5E4,50-60Hz IP40 4
A, 30 V dc 25T125,5E4, IP40
CB
DK-26396-UL
PARTS LIST
NO.
quantity
Items
Material
1
1
Case
Engineering plastic PBT(UL94V—0)
2
1
NO Terminal
The brass strip H65 Plate with silver
3
1
Cover
Engineering plastic PBT(UL94V—0)
4
1
Support
The brass strip H65 Plate with silver
5
1
Plunger
Engineering plastic PPS-hGR40/41(UL94V-0)
6
1
Pull Spring
The stainless steel wire 1Cr18Ni9
7
1
Moving Piece
Tin bronze QSn6.5-0.1
8
1
Move Contact
AgNi10/Cu
9
1
Static contact
AgNi10/Cu
Note: Returned plastic should not exceed 20%.