Back to Miniature & Sub-mini Switches
PC Mount Miniature & Sub-Miniature Pushbutton Switches
3M-Series
The 3M family of miniature pushbutton switches is composed of three switch series:
3MN-Series snap-action miniature pushbutton switch
3MS-Series sealed snap-action miniature pushbutton switch
3MA-Series alternate-action miniature pushbutton switch
These series of PC mount sub-miniature pushbutton switches offer a variety of ratings, circuits, contact materials, terminal platings, pushbutton styles, and optional color caps.
The 3MS-Series are sealed switches that are UL and CUL approved and IP68 certified. The 3MN and 3MA-Series of switches have UL & CUL agency approvals. All series within the 3M family of switches are able to withstand temperatures from -30°C to +85°C, and all offer PC mounting.
| Series PDF eLibrary | |
| Certifications | 3MN-Series and 3MA-Series: UL, CUL 3MS-Series: UL, CUL, IP68 |
| Number of Poles | 3MN-Series & 3MS-Series: 1-2 poles 3MA-Series: 1-4 poles |
| Ratings | 1A @ 120 VAC or 28VDC 6A @ 125 VAC or 28VDC 3A @ 250VAC 0.4VA max @ 20V max (AC/DC) |
| Dielectric Strength | 1500 Volts RMS @ sea level |
| Insulation Resistance | 1000 megohms (minimum) |
| Actuator Style | square pushbutton plunger pushbutton |
| Case Material | all UL94 V-0 3MN-Series & 3MA-Series: Dially phthalate (DAP) 3MS-Series: Glass filled nylon 6/6, flame retardant, heat stabilized |
| Plunger Material | 3MN-Series: Thermoplastic polyester, black 3MS-Series & 3MA-Series: Glass filled nylon or glass filled polyester (UL94V-0) |
| Bushing Material | 3MN-Series: Brass, nickel plated 3MA-Series: Zinc, nickel plated |
| Housing Material | 3MN-Series & 3MA-Series: Stainless Steel |
| Switch Support | Stainless steel |
| Terminal Options | Solder Lug PCB PC Mount Snap-in, U bracket Wire Wrap |
| Mounting Hole Dimensions | See PDF elibrary file above for dimensions |
