KW4A(S)-TSW6BF150 Mini Snap Action Switch Manufacturer SWITECH SPST

Series:KW4A(S) Series

Description:

Type:KW4A(S)-TSW6BF150
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

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  • 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

Shredder
Computer mouse
Electromagnetic lock
Baby chair
CNC machine tools
Power generator
Test equipment

Vacuum cleaner
Kitchen products
Gas valve
Range hood machine
Microwave oven
Pass-through machine

3. DETAIL SPECIFICATIONS
Type:KW4A(S)-TSW6BF150
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 CHARACTERISTICS

Characteristics

Units

Standards

Note

Actuating Force

N

0.4 Max

Original 0.4 Max

Over travel

mm

1.2 Min

Original 1.2 Min

Movement differential travel

mm

0.8 Max

Original 0.8 Max

Operating Position

mm

12±1.2

Original 12±1.2

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 position

3.2 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 specifications

NO.

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。

 

 

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. 

1Variable temperature range:235±5℃

2Dip 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

17.4A

0.4-0.5

6-10cycles/min

50cycles

Test 2

250V

2.9A

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.

5GPA125/250VAC1/4hp 250VAC25T125,5E4,

50-60HzIP404A,30 V dc25T125,5E4, IP40

UL&CUL

E176213

5A250VAC 10E3 10T85

VDE

40012206

5A250VAC 1E410T855(2)A250VAC 5E4 T125

CQC

CQC04002011511

CQC09002029703

 

NEMKO

 

5A250VAC 1E410T85

SEMKO

1018469

 

FIMKO

 

5(2)A125/250VAC 25T125,5E4,50-60Hz IP40

 4A, 30V dc25T125,5E4, IP40

DEMKO

D-01298

5(2)A250VAC5E4 T125

CE

AN50182430 0001

SH09050215A1-001

5(2)A250VAC 5E4 T125

TUV

R50087602

5(2)A125/250VAC 25T125,5E4,50-60Hz IP40

 4A, 30V dc25T125,5E4, IP40

ENEC

ENEC-00273

5A250VAC 1E410T85

EK

SU02030-6002A

5(2)A125/250VAC 25T125,5E4,50-60Hz IP40 

4A, 30V dc25T125,5E4, IP40

CB

DK-26396-UL

 PARTS LIST

Note: Returned plastic should not exceed 20%.

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

10

1

Lever

Stainless Steel

return