KW4A-ZSW2SF200 Mini Snap Action Switch Zippy Equivalent used for Vacuum Cleaner

Series:KW4A series

Description:

Type:KW4A-ZSW2SF200
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

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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
Electric Heating Faucet

Electromagnetic lock
Baby chair
CNC machine tools
Power generator
Test equipment

3.DETAIL SPECIFICATIONS
Type:KW4A-ZSW2SF200
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

3.1 OPERATING CHARACTERISTICS

Characteristics

Units

Standards

Note

Actuating Force

N

0.4 Max

Original 0.4 Max.

Release Force

N

0.1 Min

Original 0.1 Min.

Over travel

mm

2.0 Max

Original 2.0 Max

Movement differential travel

mm

1.5 Max

Original 1.5 Max

Operating Position

mm

10±1.5

Original 10±1.5

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 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 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):

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. 

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)

5A125VAC 

Switch shall be operated according 

to following sequence

(Test1~Test2)

 

Voltage

Current

Power

 Factor

Operation

 Rate

Operation

 Cycles

Test 1

125V

7.5A

0.75-0.8

6-10cycles/min

50cycles

Test 2

125V

5A

0.75-0.8

6-10cycles/min

50000cycles

 

Temperature rise

Voltage proof:Test voltage shall be 

applied for 1 min(50~60Hz, Cut-off current:0.5mA)

 

Terminal to Terminal: 1000 v AC(50-60Hz)

Terminal to Ground: 1500VAC(50-60Hz)

 

 

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 /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.

5A125VAC T85 5(3)A,125/250VAC 5GPA 

125/250VAC 1/4hp 250VAC 25T125,5E4,50-60Hz

IP40 4 A, 30 V dc  25T125,5E4, IP40

UL&CUL

E176213

5A250VAC 10E3 10T85

VDE

137557

5(2)A 250VAC 1E4 25T125 10T105,10T85

CQC

CQC02002001692

 

NEMKO

 

 

SEMKO

 

 

FIMKO

 

5(3)A, 125/250VAC 25T125,5E4, 50-60Hz,

IP40 4A,30Vdc, 25T125,5E4,IP40

DEMKO

D-00715

53A 250VAC  5E4 25T125

CE

AN 50191602

53A 250VAC  5E4 25T125

TUV

R50191600

5(3)A, 125/250 VAC 25T125,5E4, 50-60Hz, 

IP40 4 A, 30 V dc, 25T125, 5E4, IP40.

ENEC

ENEC-00181

53A 250VAC  5E4 25T125

EK

SU02030-11001

5(3)A, 125/250VAC 25T125,5E4, 50-60Hz,

IP40 4A,30Vdc, 25T125,5E4,IP40.

CB

DK-5170

 

6. PARTS LIST

NO.

quantity

Items

Material

1

1

NC Terminal

The brass strip H65 Plate with silver

2

1

Cover

Engineering plastic Black PBT(UL94V—0)

3

1

NO Terminal

The brass strip H65 Plate with silver

4

1

Support

The brass strip H65 Plate with silver

5

1

Case

Engineering plastic Black PBT(UL94V—0)

6

1

Plunger

Engineering plastic Black PPS-hGR40/41(UL94V-0)

7

1

Moving Piece

Beryllium bronzeC1720 HMQSn6.5-0.1

8

1

Spring Sheet

Beryllium bronze   QBe2

9

1

Moving arm

Armor plate SPCC-SD Nickel plated

10

2

Static Contact

AgNi10/Cu

11

1

Move Contact

AgNi10/Cu

Note: Returned plastic should not exceed 20%.

return