KW3A-16DSW4-C200-B 16A KW3A Snap Action Switch Normally Open-NO

Series:KW3A series

Description:

Type:KW3A-16DSW4-C200-B
Construction category:D type
Operation method: Snap Action
Configuration:Single-Pole Single-Throw (SPST)
Terminal form:#187 Quick-connect Terminal
Mounting:via side mounting holes
Protection:IP40

Contact Now

  • 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

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

Microwave oven
Pass-through machine

3. DETAIL SPECIFICATIONS
Type:KW3A-16DSW4-C200-B
Construction category:D type
Operation method: Snap Action
Configuration:Single-Pole Single-Throw (SPST)
Terminal form:#187 Quick-connect Terminal
Mounting:via side mounting holes
Protection:IP40

3.1OPERATING CHARACTERISTICS

Characteristics

Units

Standards

Note

Actuating Force

N

2.2 Max

Original 2.2 Max.

Movement differential Travel

mm

0.4 Max

Original 0.4 max.

Operating Position

mm

18.3± 0.4

Original 18.3± 0.4

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 KW3A Micro Switch used for electronic equipment.
3.2.2 Operating temperature range -10℃ to +105℃
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 specifications

NO.

Items

Test conditions

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 and terminal  

50mΩ MAX

3.4.2

Insulation resistance

Test voltage:500VDC, measured after 1 min ±5s

Applied position: 1)Between terminal and terminal 

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 and terminal :1000VAC (50~60Hz)

2)Between terminal and ground: 3750V AC(50~60Hz)

No dielectric 

breakdown

shall occur

3.5. Durability3.5. Durability

NO.

Item

Test conditions

Criteria

3.5.1

Cold

After testing at -10±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)

No dielectric 

breakdown 

shall occur.

Operating

 characteristic 

(item 5.1):

Operating characteristic 

variety Within 

±10% of specified 

value .

No abnormalities shall 

be recognized 

in appearance and 

construction.

3.5.2

Dry 

heat

After testing at 105±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

tempe

rature

After 5 cycles of following conditions the switch shall be 

llowed 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.

Items

Test conditions

Criteria

 

3.7.1

 

Endurance

(According to

UL61058)

 

16A 125VAC

Switch shall be operated according to following 

sequence(Test1~Test2)

 

Voltage

Current

Power

 factor

Operation

 rate

Number of

operation

Test1

125V

20A

0.75-0.8

6-10

cycles/min

50cycles

Test2

125V

16A

0.75-0.8

6-10

cycles/min

50000cycles

Voltage proof(Cut-off current:0.5mA) 

Test voltages shall be applied for 1 min

 

16GPA 125/250VAC ;10A 30V DC

Switch shall be operated 50,000 cycles at 15-20 cycles/min.

 

Insulation 

resistance

(item 4.2): 

50MΩ MIN

Voltage proof:

Terminal and 

ground:1000VAC

No dielectric 

breakdown 

shall occur.

Operating 

characteristic 

(item 5.1):

Within ±20% 

of specified 

value.

6000cycles,

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)

 

16(4)A 250VAC

10A 30VDC

Switch shall be operated 50,000 cycles at 15-20 cycles/min.

Voltage proof(Cut-off current:0.5mA)

Test voltages shall be applied for 1 min

 

Insulation 

resistance

(item 4.2): 

50MΩ MIN

Voltage proof:

Terminal and 

terminal:750VAC

Terminal and 

ground:1500VAC

No dielectric 

breakdown 

shall occur.

Operating 

characteristic 

(item 5.1):

Operating 

characteristic 

variety 

Within ±20% 

of specified value .

Temperature 

rise:55℃ MAX

No abnormalities 

shall be 

recognized 

in appearance 

and construction

4. DRAWING & DIMENSION

5. CIRCUIT DIAGRAM

6.PACKING

6.1

Packing material:

Plastic box / 
Double-layers paper carton

6.2

Packing number:

125 pieces per box 
5 box per inner carton
4 inner cartons per shipping carton
Each shipping carton 2500 pieces

6.3

Weight:

Gross Weight:   21kg

Net Weight:     18kg

6.4

Size:

46.0 x 33.0 x 29.5 CM / 0.045CBM

Approved Rating

Mark

Reference No.

16A125VAC T105 16GPA 125/250VAC 16(4)A 

125/250VAC 10A 30VDC 1/3hp 125VAC 5E4 

40T105  50-60Hz

UL&CUL

E 176213

16(4)A250VAC 5E4 10T105

VDE

127744

16(4)A250VAC 5E4 10T105

CQC

CQC04002011514

16(4)A250VAC 5E4 10T105

NEMKO

P02100510

16(4)A250VAC 5E4 10T105

SEMKO

0204134/01

16(4)A250VAC 5E4 10T105

FIMKO

223030

16(4)A250VAC 5E4 10T105

DEMKO

311299-01

16(4)A250VAC 5E4 10T105

CE

SH10050182-V2

 

TUV

 

16(4)A 125/250VAC 10A 30VDC 5E4 40T105  50-60Hz

ENEC

ENEC-00323

16(4)A250VAC 5E4 10T105

EK

SU02030-6007A SU02030-6007B

16(4)A 125/250VAC 10A 30VDC 1/3hp 125VAC 5E4 40T105  50-60Hz

CB

DK-27280-UL


PARTS LIST

NO.

Quantity

Item

Material

1

1

Plunger

Bakelite PF2A5-151(j)b 

2 1 Lever The brass strip H65, silver plated

3

1

Case

Engineering plastic PBT (black) 

4

1

Moving piece

The brass strip H62, silver plated

5

1

Support

The brass strip H65, silver plated

6

2

Static contact

AgNi10/Cu

7

1

Terminal

The brass strip H65, silver plated

8

1

Stopper

Steel strip SPCC-SD,nickel plated

9

1

Move contact

AgNi10/Cu

10

1

Spring sheet

Beryllium bronze QBe2

11

1

  Cover

Engineering plastic PBTblack)

 

Note: Returned plastic should not exceed 20%.

return