Carling
Technologies
?
3MN-Series
Snap-Acti on Miniature
Pushbutton Switch
3MS-Series
Sealed Snap- Action
Miniature Pushbutton
Switch
3MA-Series
Alternate Action
Miniature Pushbutton
Switch
3M-Series Miniature Pushbutton Switches
Specifications
Contact Rating . . . . . . . . . refer to ordering scheme
Electrical Life . . . . . . . . . . 50,000 make & break cycles @ full
load
Contact Resistance. . . . . . 3MN& 3MA-Series: 10 m ? max. ini-
tial @ 2-4 VDC 100mA for both sil-
ver & gold plated contacts.
3MS-Series: 50 m ? max. initial @
2-4 VDC 100mA for both silver &
gold plated contacts.
Insulation Resistance . . . 1000 M ? min.
Dielectric Strength . . . . . . 1500 Volts RMS @ sea level
Operating Temperature . . . -30°C to +85°C
Index of Protection . . . . . . 3MS -Series: IP68
Cap Installation Support . . 3MS-Series: 10 lbs. max.
Solder Heat Resistance. . . MIL-STD-202, Method 210
Actuator Travel . . . . . . . . . 25°
Materials
Case . . . . . . . . . . . . . . . . 3MN & 3MA-Series: Dially phthalate
(DAP) (UL 94V-0)
3MS-Series: Glass filled nylon 6/6,
flame retardant, heat stabilized (UL
94V-0)
Plunger. . . . . . . . . . . . . . . 3MN-Series: Thermoplastic poly-
ester, black
3MS & 3MA-Series: Glass filled
nylon or glass filled polyester (UL
94V-0)
Bushing . . . . . . . . . . . . . . 3MN-Series: Brass, nickel plated
3MA-Series: Zinc, nickel plated
Housing. . . . . . . . . . . . . . . 3MN & 3MA-Series: Stainless Steel
Switch Support Retainer . . 3MS-Series: Stainless Steel
Terminal Seal . . . . . . . . . . Epoxy
3M-Series Optional Cap
To order a cap assembled on a switch, specify the switch number followed by the cap part number and the word “assembled”.
Ex: 3MN-SP-7-P2-B6-M6QE-C13ASSEMBLED
To order caps in bulk, specify the Series, followed by the cap. Ex.) 3MN-C13
3MN - C1 3
1
Series
2
Cap Size
3
Color
1 SERIES OR SWITCH CATALOG NUMBER
3 CAP COLOR
3MN, 3MS or 3MA
2 CAP SIZE
1
2
3
white
black
red
5
6
7
yellow
green
blue
C1
round 7.6mm dia.
C5
round 14.5mm dia.
4
orange
C2
round 9.35 mm dia.
(for 3MA w/ PL bushing)
C3
square 11.7 x 11.7mm
C6
brass chrome plated
1
Black, white & red standard. Other colors available. Consult factory.
C4
round 5mm dia.
(for 3MA w/ PD bushing)
www.carlingtech.com
35
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