3MS/3MN/3MA3M-Series
MINIATURE PUSHBUTTONS
The 3M family of miniature pushbutton switches is composed of four switch series; the 3MNH-Series premium
sealed snap-action pushbutton, the 3MN-Series snap-action pushbutton, the 3MS-Series sealed snap-action
pushbutton, and the 3MA-Series alternate-action pushbutton. These PC mount pushbutton switches offer a
variety of ratings, circuits, contact materials, terminal platings, pushbutton styles, and optional color caps.
3MS-Series
3MN-Series
3MNH-Series
3MA-Series
Product Highlights: Typical Applications:
Resources:
IP67 Sealing Telecommunications
Configure a Complete Part
Snap Action Contact Mechanism Performance Audio
Download CAD & Sales Drawing
Variety of Plunger and Bushing Lengths Networking
Up to 14 Termination Choices Computers
UL and cUL Approvals Instrumentation
Sleek Black Finish Low Power On/Off Designs
Carling Technologies, Inc.
60 Johnson Avenue, Plainville, CT 06062
Email: sales@carlingtech.com www.carlingtech.com
Application Support: team2@carlingtech.com
Phone: 860.793.9281 Fax: 860.793.9231|
2 3M-Series - General Specifications
3MNH-Series
3MS-Series
Premium Sealed
Sealed Snap-Action
Miniature Pushbutton Switch
Miniature Pushbutton Switch
3MA-Series
3MN-Series
Alternate Action
Snap-Action
Miniature Pushbutton Switch
Miniature Pushbutton Switch
Electrical Material
Contact Rating refer to ordering scheme Case 3MS-Series: Glass filled nylon 6/6,
Electrical Life 50,000 make & break flame retardant, heat stabilized
cycles @ full load (UL94V-0)
Contact Resistance 3MS-Series: 50 m max. initial @ 3MN, 3MA & 3NMH-Series: Dially
2-4 VDC 100mA for both silver & phthalate (DAP) (UL 94V-0)
gold plated contacts. Plunger 3MS & 3MA-Series: Glass filled
3MN, 3MA & 3NMH-Series: 10 m nylon or glass filled polyester
max. initial @ 2-4 VDC 100mA for (UL94V-0)
both silver & gold plated contacts. 3MN-Series: Thermoplastic
Insulation Resistance 1000 M min. polyester, black
Dielectric Strength 1500 Volts RMS @ sea level 3NMH-Series: Brass, black finish
with o-ring seal
Bushing 3MN-Series: Brass, nickel plated
Physical
3MA-Series: Zinc, nickel plated
Operating Temperature -30C to +85C 3NMH-Series: Brass, black finish
Index of Protection 3MS-Series: IP68 with o-ring seal
3MNH-Series: IP67 Housing 3MN & 3MA-Series: Stainless Steel
Cap Installation Support 3MS-Series: 10 lbs. max. Switch Support Retainer 3MS-Series: Stainless Steel
Solder Heat Resistance MIL-STD-202, Method 210 Terminal Seal Epoxy
*Manufacturer reserves the right to change product specification without prior notice.
Email: sales@carlingtech.com Application Support: team2@carlingtech.com
Phone: (860) 7939281 Fax: (860) 7939231 www.carlingtech.com