P
USHBUTTON
S
WITCHES
16
MM
M
INIATURE
P
ANEL
S
EALED
M
ETAL
The 57M is a miniature switch designed for
rugged environments. The housing is zinc alloy
with velour chrome plating. It is available as
maintained or momentary action, Electro-
mechanical operation with Gold plated contacts
and solder terminals. It is ideal for a multitude of
applications.
A
PPLICATIONS
•
•
•
•
•
•
•
Security Equipment
Industrial Control
Medical Equipment
Military Equipment
Food Processing
Transportation
Computers
A
CTUAL
S
IZE
K
EY
F
EATURES
:
•
Zinc Alloy/Velour Chrome Plated
•
Center Spot LED and Non-Lighted
Versions
•
Maintained or Momentary Action
•
•
•
•
Panel Sealed to IP67
RoHS Compliant
Electro-Mechanical
Gold Plated Contacts and
Terminals
O
RDERING
I
NFORMATION
:
† Lighted switches come
with wires on LEDs to
protect from solder heat.
* Current limiting resistor is
required to limit LED
forward current to 20 mA
(not included).
** 12 and 24 V resistors are
available with wirelead
versions only.
S
TANDARDS
/ A
GENCY
/ R
ATINGS
:
®
RoHS
COMPLIANT
2002 / 95 / EC
V
D E
IEC
IP67
COMPLIANT
www.itwswitches.com
28
Contact an Authorized Distributor or Factory for Pricing
S
ERIES
57M: 16
MM
M
INIATURE
P
ANEL
S
EALED
M
ETAL
P
RODUCT
D
RAWINGS
P
USHBUTTON
S
WITCHES
MECHANICAL CHARACTERISTICS
CIRCUIT:
SPST-NO-DB (FORM X)
BUTTON TRAVEL (NOM):
[2.3] .09
OPERATING FORCE (NOM):
[3N] 306g
CONTACT BOUNCE (NOM):
1 ms
PANEL THICKNESS:
[0.0 to 6.0] .00 to .24
NUT TORQUE (MAX):
[11.5 kgf/cm] 10 lb/in
HARDWARE:
BULK PACKAGED SEALING
WASHER AND HEX NUT ARE
INCLUDED.
ENVIRONMENTAL SPECIFICATIONS
ACTUATOR INGRESS
PROTECTION:
IP67
OPERATING TEMPERATURE:
NON-LIT: [-40 C to +85 C]
-40 F to +185 F
ILLUMINATED: [-25 C to +85 C]
-13 F to +185 F
ELECTRICAL SPECIFICATIONS
CURRENT RATING (resistive):
250mA @ 12VDC, 100K CYCLES
150mA @ 28VDC, 150K CYCLES
(MOMENTARY)
100mA @ 48VDC, 100K CYCLES
10mA @ 12VDC, 1 MILLION CYCLES
(MOMENTARY)
DIELECTRIC STRENGTH:
1,000 VAC
INSULATION RESISTANCE:
1G OHM
CONTACT RESISTANCE:
50m OHMS
WIRE LEADS:
UL STYLE 1007
26 AWG, STRANDED
Copyright © 2013 ITW Switches 3/13
Designs and specifications are subject to change
without notice due to product improvement.
29
800.544.3354
Microcontroller MCU
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