Datasheet V4N series Specification

Snap-action Microswitches – Subminiature V4N

V4N

Characteristics

B

Dimensions (mm)

K

Peg mounting option

K

Solder terminals

K

2.8 mm faston (quick connect) terminals

K

PCB terminals

K

Sealed (IP 67) / unsealed (IP 40)

K

Pre-wired option

K

Snap-on terminal covers

V4N 20 x 10 x 6
V4NS 20 x 17.5 x 6.4

Actuator

Plunger, plain lever, roller lever

Approvals

Ordering

Reference

V4NT7UL

V4NST7UL

V4NSUL

V4NT7Y1UL

V4NST7Y1UL

V4NSY1UL

V4NT7YR1UL

V4NST7YR1UL

V4NSYR1UL

UL, CSA and ENEC

Preferred Product Range

Actuating Force Sealing Operating position Terminal Circuit Actuator Contacts Electrical rating
(N) (oz) (mm) (in)

1.40 5.0 IP40 8.40 0.33 Solder CO Plain plunger Silver 250 VAC, 5 A

2.50 9.0 IP67 8.40 0.33 Solder CO Plain plunger Silver 250 VAC, 5 A

2.50 9.0 IP67 8.40 0.33 Pre-wired CO Plain plunger Silver 250 VAC, 5 A

0.50 1.8 IP40 10.7 0.42 Solder CO Straight lever Silver 250 VAC, 5 A

0.90 3.2 IP67 10.6 0.42 Solder CO Straight lever Silver 250 VAC, 5 A

0.90 3.2 IP67 10.6 0.42 Pre-wired CO Straight lever Silver 250 VAC, 5 A

0.50 1.8 IP40 15.7 0.62 Solder CO Roller lever Silver 250 VAC, 5 A

0.90 3.2 IP67 15.6 0.62 Solder CO Roller lever Silver 250 VAC, 5 A

0.90 3.2 IP67 15.6 0.62 Pre-wired CO Roller lever Silver 250 VAC, 5 A

B14

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Snap-action Microswitches – Subminiature V4N

Specifications

Housing Flame-retardant glass-fiber reinforced nylon
Plunger Polyacetal (POM)
Mechanism Snap-action coil spring mechanism with stainless steel spring
Functions Change-over, normally-closed or normally-open
Contacts Silver
Terminals Gold flashed
Temperature range ºC –40°C to +85°C
Mechanical life 5 x 10
Protection IP40 (V4N - enclosure), IP67 (V4NS - enclosure)
Mounting Side mounting
Actuators Plain lever, Roller lever
Accessories Insulating sheet - N04619, Clip-on terminal cover - TC102, Long overtravel actuator - QA4

Circuit

diagram

COMMON

(RED)

E

6

cycles minimum (impact free actuation)

NORMALLY
CLOSED
(BLUE)

NORMALLY
OPEN
(YELLOW)

B

Dimensions

mm [in]

Ø2.3

[0.09]

RED
BLUE
YELLOW

Recommended Maximum Electrical Ratings

V4NT7/V4NST7-UL

Ø

2.54±0.05 [0.1]

MOUNTING HOLE



+0.1

-0.0
[0.09]

2.25

[0.3]

7.7 MAX

5.16 9.53±0.05
[0.2] [0.375]

6.45

[0.25]

Voltage Load Inductive load Approval
(max) (A) (A)

500 MIN

[19.7]

10.85.3
[0.43][0.21]

7.5

[0.3]

20.0 MAX
[0.79]

+0.1

Ø

2.25 -0.0 [0.09]

MOUNTING HOLE

POSITION

OPERATING

8.9 MAX FREE 

POSITION

[0.35]

250 VAC 5 (0.75 pf) UL 1054/CSA 22.2 No. 55 - 6,000 operations - 65°C
250 VAC 5 2 EN61058-1, T85, 10,000 operations

0 - 15 VDC 5 3 General rating - 50,000 operations (85°C)
15 - 30 VDC 5 3 General rating - 50,000 operations (85°C)

V4NS-UL

250 VAC 3 (0.75 pf) UL 1054/CSA 22.2 No. 55 - 6,000 operations - 65°C
250 VAC 5 2 EN61058-1, T85, 10,000 operations

0 - 15 VDC 3 3 General rating - 50,000 operations (85°C)
15 - 30 VDC 3 3 General rating - 50,000 operations (85°C)

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B15

Snap-action Microswitches – Subminiature V4N

Operating Characteristics

Actuator Reference Force Force Position Position Differential

Actuating Release Free Operating Movement

Maximum Minimum Maximum Maximum
(N) (oz) (N) (oz) (mm) (in) (mm) (in) (mm) (in)

Plunger
mm [in]

Ø2.3
[0.09]

V4NT7UL 1.4 5.00 0.28 1.00 9.2 0.36 8.4 ± 0.3 0.33 ± 0.012 0.1 0.004
V4NST7UL 2.5 9.00 0.30 1.00 9.2 0.36 8.4 ± 0.3 0.33 ± 0.012 0.1 0.004
V4NSUL 2.5 9.00 0.3 1.00 9.2 0.36 8.4 ± 0.3 0.33 ± 0.012 0.1 0.004

B

Y1 lever
mm [in]

YC1 lever

mm [in]

YR1 lever

mm [in]

18.5 
[0.73]

18.0 
[0.71]

16.0 

[0.63]

V4NT7Y1UL 0.5 1.80 0.07 0.25 13.2 0.52 10.7 ± 1.0 0.42 ± 0.04 0.4 0.016
V4NST7Y1UL 0.9 3.20 0.07 0.25 13.2 0.52 10.6 ± 1.2 0.42 ± 0.05 0.4 0.016
V4NSY1UL 0.9 3.20 0.07 0.25 13.2 0.52 10.6 ± 1.2 0.42 ± 0.05 0.4 0.016

Width of lever 4.0 mm/0.16 in

V4NT7YC1UL 0.5 1.80 0.07 0.25 17.8 0.70 15.7 ± 1.0 0.62 ± 0.04 0.4 0.016
V4NST7YC1UL 0.9 3.20 0.07 0.25 17.8 0.70 15.6 ± 1.2 0.61 ± 0.05 0.4 0.016
V4NSYC1UL 0.9 3.20 0.07 0.25 17.8 0.70 15.6 ± 1.2 0.61 ± 0.05 0.4 0.016

Width of lever 4.0 mm/0.16 in

V4NT7YR1 0.5 1.80 0.07 0.25 17.8 0.70 15.7 ± 1.0 0.62 ± 0.04 0.4 0.016
V4N2T7YR1 0.2 0.70 0.02 0.07 17.8 0.70 15.7 ± 1.0 0.62 ± 0.04 0.4 0.016

DIA 4.8 x 3.2

Roller

[0.19] [0.13]

Width of lever 4.0 mm/0.16 in

Type V4N

Type of sealing

Terminals

Circuit

Actuators

Approvals

B16

Over travel: Plunger can be depressed flush with housing. The housing should not be used as an end stop.

Ordering Reference – How to Build a Part Number

No digit Unsealed
S Sealed IP67

No digit Pre-wired, 0.5m PVC cable (V4NS only)
T7 Solder
T8 PCB 0.8 x 0.8 mm
T9 0.110 in. quick connect (2.8 x 0.5 mm)

No digit Change-over
C2 Normally closed
C4 Normally open

No digit Plunger
Y1 Plain lever
YR1 Roller lever
YC1 Cam follower

UL UL approval

Snap-action Microswitches – Panel Mounted Actuators QA4/PBA4

QA4/PBA4

Characteristics

Ordering Reference

K

Long overtravel stainless steel plunger

K

Molded frame (QA4)

K

2 locknuts

K

M6 fine thread sleeves

K

Can be fitted to all standard travel V4NC switches

K

Simple clip-on attachment

K

Choice of either round or square push buttons and bezels

K

Single hole mounting (Ø 6.35 mm) or via switch mounting holes

K

Panel sealing if required

K

Long overtravel actuator version with min. 5 mm overtravel

Preferred Product Range

Basic Sealing Actuator
switch Button Bezel kit kit

B

V4NCT7QA4

V4NCT7 PBRR BZR PBSLK QA4

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B17

Snap-action Microswitches – Panel Mounted Actuators QA4/PBA4

Specifications

Clip-on frame Glass fiber reinforced polyamide (PA 6.6)
Bezel ABS polymer - black
Cowl Synthetic rubber
"O"-Ring Nitrile
Locknut Brass nickel plate

B

Button ABS polymer
Basic switches V4NC (see pages 41 to 44)
Temperature ºC -10°C to +85°C
Mechanical Life 5 x 10

6

cycles minimum (Mechanism 2 x 106cycles minimum) (Impact free actuation)
Mounting mm [in] Single hole Ø 6.4 (0.25) suitable for panels up to 8.0 (0.3) thick
Torque max. Nm 0.4 to be applied to locknut

Dimensions

QA4 PBA4

mm [in] mm [in]

24.55 (0.97) 

MAX

17.65 (0.69) 

MAX

HEXAGON NUT

10.0 [0.39] A/F

M6 

X 

0.75-6g

17.55 

[0.69]

B18

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Snap-action Microswitches – Panel Mounted Actuators QA4/PBA4

F

Ordering Reference – How to Build a Part Number

Actuator kit

Basic switch

Button

PBA4 QA4

V4NC... See pages A28–A31

6.45









12.1 max

3.6

11.5



14.55

4.6





7.5

5.08

20.0 max.

8.65



10.162.6

Round button Square button Button color Round button Square button
PBRR PBSR Red Round bezel Square bezel
PBRY PBSY Yellow
PBRG PBSG Green
PBRBU PBSBU Blue
PBRW PBSW White
PBRB PBSBU Black

B

Bezel

BZR round BZS square

Sealing kit

PBSLK Sealing kit ("O"-ring and diaphragm) suitable for square and round versions



Diaphragm

’’O’’-Ring

The sleeve is
threaded M6 fine

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B19