Datasheet F1NST8 Specification

F1NS

F1NS

Characteristics ◼ small size

Dimensions (mm) 14.6 • 6.5 • 6

Approvals none

■

low current

■

long mechanical life

■

PCB mounting

■

sealed IP54 (option)

Rating Up to 250 VAC, 1 A

■

Actuator

plunger

■

plain lever

■

simulated roller lever/cam follower

Preferred Range

Ordering Actuating Force Sealing Operating pos. Terminal Circuit Actuator Contacts Electrical rating
Reference (N) (ozf) (mm)

F1NST8 2,0 7,2 IP5K4 5,9 PCB CO Plunger Ag 250 VAC, 1 A

F1NST8A1 0,6 2,2 IP5K4 7,6 PCB CO Plain lever Ag 250 VAC, 1 A

F1NST8AC 0,6 2,2 IP5K4 10,1 PCB CO Cam follower Ag 250 VAC, 1 A

Ultraminiature

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F1NS

Specifications

Housing Base: PA 6.6; Cowl: Silicon; Lid: PA 6.6
Plunger POM
Mechanism Snap-action, coil spring mechanism with stainless steel spring. Single-pole change-over contact
Contacts Fine silver, Gold plate on silver

Ultraminiature

Terminals PCB - Phosphor Bronze silver plated
Temperature range ºC –40°C bis +85°C
Mechanical life 10
Protection Enclosure IP40 (F1N), IP54 (F1NS)
Mounting PCB. Locating pins on housing

7

cycles minimum (impact-free actuation)

Circuit diagram

COMMON

Dimensions

NORMALLY
CLOSED

NORMALLY
OPEN

2.8

±

14,6 MAX

(.58)

0.15

4.8

Recommended maximum electrical ratings

Voltage Resistive load Inductive load Voltage Resistive load Inductive load
(VAC) (A) (A) (VDC) (A) (A)

125 1 1 up to

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250 1 1 30 2 2
50 0,5 0,5

75 0,25 0,25

125 0,2 0,03

F1NS

Operating Characteristics

Actuating Release Free Operating Movement Total travelled
Actuator Reference Force Force Position Position Differential position
Maximum Minimum Maximum Maximum Maximum
(N) (ozf) (N) (ozf) (mm) (in) (mm) (in) (mm) (in) (mm) (in)

Plunger F1NST8 2 7,20 0,2 0,72 6,5 0,26 5,9 ± 0,2 0,23 ± 0,008 0,2 0,008 *

A1-Lever F1NST8A1 0,6 2,20 0,09 0,32 10,5 0,41 7,6 ± 1,2 0,3 ± 0,05 0,7 0,03 *

Width of lever 3 mm/0,12 in

AC-Lever F1NST8AC 0,6 2,20 0,09 0,32 13,3 0,52 10,1 ± 1,2 0,4 ± 0,05 0,7 0,03 *

Width of lever 3 mm/0,12 in

Ultraminiature

Datum for Free Position and Operating Position: base of switch opposite plunger.

* Flush with case. The case should not be used as an end stop.

Ordering Reference

Basic t ype F1N

Type of sealing No symbol, unsealed

S Sealed IP5K4

Terminals T8 PCB 0.8 • 0.5 • 3.45 long

Circuit No symbol, change-over

Actuators No symbol, without lever

A Special lever A type (see specification)

AC Cam follower lever 18.5 mm

Contact Material No symbol, Ag

AU Gold on nickel

Special Features /□□□□ Burgess specialise in customer specific solutions.

Additional product variants ar

please contact us.

A1 Plain lever 18.0 mm

GP Gold plate on Ag (GP)

e available or can be provided.

If your requirements cannot be satisfied from the options listed,

Example: F1N S T8 A AU

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