PANEL
SEALED
PUSH
BUTTON
SERIES
76-97
FEATURES
I
Wide temperature range: from -40°C
to + 105°C
I
Panel sealed product – Protection
against immersion
I
Maintained mode
Travel
Life (nom)
Operating force
Contact bounce
TECHNICAL
MECHANICAL
3.5 mm
2 x 10
6
(Momentary)
1 x 10
5
(Latched)
12N (nominal)
5ms
NON-STANDARD OPTIONS
I
PCB terminals
I
Gold contacts
I
2 poles available
I
Colour variants
I
Surface or sublimation legend printing
The 76-97 series of push button
switches is robust.
The switch body and button are made
from hard-wearing plastic and produced
in front mounting style.
The 76-97 series can be used in
momentary or maintained mode. In
addition the buttons carry a brightly
coloured switch indicator which gives an
‘at a glance’ recognition of the mode
currently in use.
Buttons and status rings can be supplied
in a variety of colours or to customers
own specifications.
The 76-97 utilises ITW Switches’ proven
Series 16 snap action microswitch.
Panel thickness (max)
6 mm
ELECTRICAL
Dielectric strength
1000V RMS
Insulation resistance
1GΩ
Contact
resistance (initial)
Life
25mΩ
100,000 cycles @ 20°C
Current rating (max)10A
resistive 250V a.c.
ENVIRONMENTAL AND PHYSICAL
Ingress protection
IP67
Shock
50g
Operating temperature
range
-40°C to + 105°C
Body material
Actuator material
Contact material
Terminal material
PBT
PBT
Fine silver
5µm bright acid tin plate,
nickel flash undercoat.
SERIES
76-97
APPLICATIONS
I
Military environments
I
Robust industrial
I
Mining industry
I
Petrochemical
I
Process control
I
Material handling
ORDERING
BUTTON STYLE
Raised – 1
PANEL MOUNTING AND CONSTRUCTION
INFORMATION
The 76-97 mounts easily into panels not exceeding
6mm thickness. Front panel sealing to IP67 is
achieved by use of the sealing washer which is fitted
to the switch before it is inserted into the panel hole
cut out. It is held into the panel by means of a lock
nut, tightened down to a torque of between 1,5Nm to
2,85Nm to achieve the correct sealing pressure.
It is mounted into a standard 22,5mm diameter and a
double ‘D’ flat is provided to prevent rotation if
required.
ACTION
Momentary – 1
Maintained – 2
TERMINATION & No. OF POLES
Solder/faston
Solder
Solder
1 pole
1 pole
2 poles
/439088
/4044
/804
BUTTON COLOUR/IDENTITY RING
COLOUR
Black/red
Red/yellow
Green/yellow
White/yellow
Yellow/red
Blue/red
Light grey/red
B
R
G
W
Y
N
GY
MULTI-POLE INFORMATION
The Series 76-97 has a non-standard option of 2
poles. The 2 pole switch is provided separate to the
switch body and must be fitted, via a spring clip, after
the switch body has been mounted in the panel.
CIRCUIT FORM
PRODUCT DIMENSIONS
SERIES
76-97
Status Ring
INGRESS PROTECTION
Ingress
Protection
totally protected
against dust
IP67
7
6
protected
against
the effects
of immersion
up to 1m
1m
FURTHER INFORMATION
ITW Switches
A Division of ITW Limited
Norway Road, Portsmouth,
England PO3 5HT
Tel: 00 44 (0) 2392 656200
Fax: 00 44 (0) 2392 666352
Due to our policy of continuous product development, ITW Swithces retain
the right to change the specification at any time without prior notice.
Designed & printed in the UK.
e-mail:
info@itwswitches.co.uk
website:
www.itwswitches.co.uk
PCB设计
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