APEM
LPI series
Tactile pushbutton switches with large actuator
Ø 35 mm
actuator
• Front or rear mounting
• Illuminated or non-illuminated
• Flexibility of marking
• Meeting the requirements of
EN81-70
APEMwww.apem.com2
LPI series
Tactile pushbutton switches with large actuator
Distinctive features and applications
❑❑ Common features
• Large ergonomic actuator (Ø 35 mm)
• Tactile feedback
• Low behind-panel depth (21 mm max.)
• Stylish design
• Long life
This series has been developed on a modular base in order to fit the exact
needs of technicians and end-users.
❑❑ Installation options
The LPI series has a number of features to ensure easy installation:
• Front or rear mounting
• With or without sealing
• 2 separate circuits for NO/NC 5A version
• Terminal block connector for 0,1A NO version
• 3 different LED voltages: 6V, 12V, 24V
• Integrated LED resistor
❑❑ Aesthetic options
• Ring or dot illumination
• Wide range of LED colours
• Wide range of bezel colours
• Many different actuator types and colours
❑❑ Applications
Because of its large actuator, this product is suited to all indoor applications
where the pushbutton needs to be located quickly (access control, call
information, museums, exhibitions). This product is also ideal for applications
where the end-user uses gloves.
This product meets the requirements of EN81-70 and is ideal for use in all types
of indoor lifts.
Dimensions : First dimensions are in mm while inches are shown as bracketed numbers.
Tolerance : The general tolerance for dimensions in this brochure is ± 0,3 (.012). Overall dimension tolerance is ± 0,5 (.020).
Dimensions, specifications and data shown in this brochure are subject to change without notice.
PANEL CUT-OUT
LPI series
Tactile pushbutton switches with large actuator
Specifications
APEM www.apem.com 3
❑❑ Front or rear mounting
❑❑ Illuminated or non-illuminated
❑❑ Flexibility of marking
❑❑ Designed to meet the requirements of EN81-70
ELECTRICAL SPECIFICATIONS
• Snap-action, momentary function
• Mechanical life : 1.000.000 cycles min. for 5A NO/NC
5.000.000 cycles min. for 50mA NO
• Max. currrent/voltage rating with resistive load :
• Min. current with resistive load : 0,5mA at 24VDC for NO version
• Contact resistance : 100mΩ max.
• Dielectric strength : 500Vrms 50Hz between terminals
1.000 Vrms 50 Hz between terminals and ground
• Insulation resistance : 10MΩ at 500VDC
• Integrated resistors for illuminated versions
• LED current : 20mA typical for dot or ring (30mA max.)
• LED protected from reverse polarity
• Stand-by consumption : 0,5VA max.
MATERIALS
• Switch block : thermoplastic for
5A NO/NC
• Contacts :
5A NO/NC : silver, gold plated
50mA NO : silver
• Actuator crimped symbol : 304L
stainless steel
MECHANICAL SPECIFICATIONS
• Environmental protection :
- IP53 for sealed version
- IP40 for unsealed version
• Impact resistance :
- IK06 for NO/NC version
- IK04 for NO version
• Operating force : 2,5 to 5N (unsealed
)
• Total travel : 2 mm ±0,3 mm
• Operating temperature :
- 20°C to +65°C
• Storage temperature :
- 40°C to +70°C
5A NO/NC version
5A 12VDC - 50.000 cycles
100mA 12VDC - 1.000.000 cycles 50mA 24 VDC - 5.000.000 cycles
50mA NO version
Panel thickness : 1 to 4 mm (.039 to .157)
Sealed
version
Unsealed
version
Front mouting
Rear mounting
APEMwww.apem.com4
LPI series
Tactile pushbutton switches with large actuator
Overview
LPI
SERIES Electrical functions
3 50mA NO
5 5A NO/NC
LED colour
XNone
RRed
GGreen
BBlue
AAmber
WWhite
SWITCH BLOCK
Illumination
0No illumination
1Dot
4Ring
LED voltage
XX None
06 6V
12 12V
24 24V
OPERATOR
ABOUT THIS SERIES
On the following pages, you will find successively switch block order numbers and operator order numbers.
NOTICE : please note that not all combinations of above numbers are available.
Refer to the following pages for further information.
Packaging unit : 15 pieces for front mounting versions - 20 pieces for rear mounting versions.
Mounting
1 Front mounting
2 Rear mounting
Sealing
X Unsealed
KSealed
Bezel colour
XNo bezel
NBright chrome
1Blue
2Black
3Green
4Grey
5Yellow
6Red
7White
9Amber
Actuator type
1Raised crimped
2Raised moulded
3Raised screen
printed
4Without symbol
5Screen printed
Actuator colour
7White
Actuator
marking
See page 9.
LPI series
Tactile pushbutton switches with large actuator
Switch block
APEM www.apem.com 5
5A momentary NC/NO combined
LPI5
50mA momentary NO
LPI3
MODEL
STRUCTURE
SWITCH BLOCK
Terminal block
Wire size : AWG20-15 - 0,5 to 1,5 mm2
Rated torque : 0,5 Nm
Screw size : M3
Terminal block
Wire size : AWG28-16 - 0,5 to 1 mm2
Rated torque : 0,4 Nm
Screw size : M2
APEMwww.apem.com6
LPI series
Tactile pushbutton switches with large actuator
Switch block
ILLUMINATION
SWITCH BLOCK
0Non-illuminated
1Illuminated dot (1 LED)
4Illuminated ring (4 LEDs)
Option 4 available only in the case of screen-printed
symbol
LED VOLTAGE
SWITCH BLOCK
XX Non-illuminated
06 6V Combination with other options : see table below.
12 12V
24 24V
• Integrated resistors
• LED current : 20mA typical for dot or ring (30mA max.)
• LEDs protected from reverse polarity
• Stand-by consumption for illuminated product : 0,5VA max.
LED COLOUR
SWITCH BLOCK
XNon-illuminated
RRed
GGreen
AAmber
BBlue
WWhite
Option 1 Option 4
Colours available with illuminated ring (option 4)
Red
Version 5A
Green Amber Blue
No No No No
Yes Yes No No
Yes Yes Yes Yes
LED voltage
6V
12V
24V
Version 50mA
No No No No
Yes No Yes No
Yes Yes Yes Yes
White
No
No
No
No
No
No
LED voltage
6V
12V
24V
Illuminated dot Illuminated ring
LPI series
Tactile pushbutton switches with large actuator
Operator
APEM www.apem.com 7
MOUNTING
OPERATOR
1Front mounting
2Rear mounting
SEALING
OPERATOR
XUnsealed Note : bezel compulsory on sealed versions.
KSealed
FRONT MOUNTING - 50mA version FRONT MOUNTING - 5A version REAR MOUNTING - all versions
MATRIX MOUNTING
All versions
Dimension A
Sealed models : 44 mm (1.732)
Unsealed models : 39,9 mm (1.570)
APEMwww.apem.com8
LPI series
Tactile pushbutton switches with large actuator
Operator
BEZEL COLOUR
OPERATOR
XNo bezel
NBright chrome
1Blue
2Black
3Green
4Grey
5Yellow
6Red
7White
9Orange
ACTUATOR TYPE
OPERATOR
1Stainless steel raised crimped symbol
2Raised moulded symbol (star and bell)
3Raised screen printed symbol
4Without symbol
5Screen printed symbol
7White
For sealed versions, the bezel is compulsory
For unsealed versions, the bezel is optional on rear mounting versions (not available on front mounting versions).
Bright chrome (option N) : consult us.
Ring illumination available with options 3 and 4 only.
ACTUATOR COLOR
OPERATOR
12345
Bezel
Actuator
LPI series
Tactile pushbutton switches with large actuator
Operator
APEM www.apem.com 9
ACTUATOR MARKING
OPERATOR
CODE SYMBOL DESCRIPTION
XX /
0
1
No symbol
CODE SYMBOL DESCRIPTION
14 Open
15 Close
16 Up
17 Down
18 Left
19 Right
20 Ventilation
Actuator type 1
21
Alarm (moulded,
yellow)
22
Exit level
(moulded, green)
23
Phone
01
2
02
3
03
4
04
5• With single
tactile point
05
6
06
7
07
8
08
9
09
10
-1
11
-2
12
-3
13
00
Symbol height
Symbol 21 Symbol 22 Other symbol
xActuator type 1x 0,8 mm
5 mmActuator type 25 mm x
xActuator type 3x 0,8 mm
xActuator type 4x x
xActuator type 5x 0 mm
x = non available
Matching products
The APEM group is one of the world’s largest manufacturers
of switches, switch panels and joysticks.
APEM designs, develops, manufactures and sells electro-
mechanical components to multiple industrial markets
including: instrumentation, medical, security, communications,
industrial automation, avionics, military and transport.
APEM,
a world of switching capabilities
APEM offers several switch panel technologies suitable for
automotive, industrial, vending, military and other professional
custom applications. APEM has expertise in designing and
manufacturing membrane switch panels, stainless steel keyboards
and complete custom interfaces incorporating backlighting,
electroluminescence, EMC protection and associated electronics
Switch panels
The Q series panel mount LED indicators complement the APEM
range of products. This series comprises seven different diameters,
from 6 mm to 22 mm. They are available with prominent, recessed
and flush bezel styles, different bezel finishes, five LED colours, as
well as bicolour, tricolour and flashing LEDs. Integral resistors
permit direct connection to 12VDC, 24VDC, 110VAC and 230VAC.
APEM also manufactures special DDA-compliant yellow LED
indicators.
LED indicators
Addresses of sales subsidiaries and distributors network on
www.apem.com
LPI0801-A
