
KW4A-ZSW3KSF150A Mini Switch from China Factory SWITECH with Roller
Series:KW4A series
Type:KW4A-ZSW3KSF150A
Construction category:D type
Operation method:Snap Action
Configuration:Single-Pole Double-Throw (SPDT)
Terminal form:Solder Terminal
Mounting:via side mounting holes
Protection:IP40
- 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
3.DETAIL SPECIFICATIONS
Type:KW4A-ZSW3KSF150A
Construction category:D type
Operation method:Snap Action
Configuration:Single-Pole Double-Throw (SPDT)
Terminal form:Solder TerminalMounting:via side mounting holes
Protection:IP40
3.1OPERATING CHARACTERISTICSCharacteristics
Units
Standards
Note
Actuating Force
N
0.6 Max
Original 0.6 Max
Over Travel
mm
1.0 Max
Original 1.0 Max
Operating Position
mm
8.8 ±1
Original 8.8 ±1
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 Micro Switch used for electronic equipment.
3.2.2 Operating temperature range -25℃ to +125℃
3.2.3 Test conditions
Unless otherwise specified. The atmospheric conditions 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. tests shall be conducted at the following conditions.
Ambient temperature: 20±2℃
Relative humidity: 60~70%
Air pressure: 86~106kPa (860~1060 mbar)
3.3 Appearance construction and dimensions
3.3.1 Appearance Switch shall have good finishing, and no rust crack or plating failures.
3.3.2 Construction and dimensions Refer 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):
100MΩ 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。
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.
3.6.1
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
125V
17.4 A
0.4-0.5
6-10cycles/min
50cycles
Test 2
125V
2.9A
0.75-0.8
6-10cycles/min
50000cycles
5GPA 125/250VAC; 4A 30VDC
Operating Cycles:50,000 cycles
Operation Frequency:15~20 次/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:
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)
5A 250VAC
Operating Cycles:50,000 cycles
Operation Frequency:15~20 次/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. PACKING:
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
SAFETY APPROVAL & RATING:
Approved Rating
Mark
Reference No.
5A 125V AC ;5(3)A125/ 250V
AC 5GPA 125/250VAC 1/4hp 250VAC
25T125 5E4 50-60Hz IP40 4A 30VDC 25T125
5E4 IP40
UL&CUL
E176213
5A 250V AC μ10T85 1E4
VDE
137557
5(2)A 250V AC μ25T125 1E4
CQC
CQC02002001692
NEMKO
SEMKO
FIMKO
5(3)A125/ 250V AC 5GPA 125/250VAC 1/4hp 250VAC 25T125 5E4 50-60Hz IP40 4A
30VDC 25T125 5E4 IP40
DEMKO
D-00715
5(3)A 250V AC μ25T125 5E4
CE
AN 50191602
5(3)A 250V AC μ25T125 5E4
TUV
R50191600
5(3)A125/ 250V AC 5GPA 125/250VAC 1/4hp 250VAC 25T125 5E4 50-60Hz IP40 4A
30VDC 25T125 5E4 IP40
ENEC
ENEC-00181
EK
5(3)A125/ 250V AC 5GPA 125/250VAC 1/4hp 250VAC 25T125 5E4 50-60Hz IP40 4A
30VDC 25T125 5E4 IP40
CB
DK-5170
5(3)A 250V AC μ25T125 5E4
KTL
PARTS LIST
NO.
quantity
Items
Material
1
1
Plate moving
The brass strip H65 Plate with silver
2
1
Case
Engineering plastic Black PBT
3
1
NO Terminal
The brass strip H65 Plate with silver
4
1
Support
The brass strip H65 Plate with silver
5
1
Cover
Engineering plastic Black PBT
6
1
Plunger
Engineering plastic Black PPS
7
1
Moving Piece
Tin-brass QSn6.5-0.1
8
1
Spring Sheet
Beryllium bronze QBe2
9
1
Moving arm
Stainless steel SUS304
10
2
Static Contact
AgNi10
11
1
Move Contact
AgNi10
Note: Returned plastic should not exceed 20%.