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3M-Series

Product Type:

Miniature Pushbutton Switches

Description:

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.

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Specs

Certifications

3MN-Series and 3MA-Series: UL, cUL Approved
3MS-Series: UL, cUL Approved, 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)

Circuits

On-On
On-(On)

Dielectric Strength

1500 Volts RMS @ sea level

Insulation Resistance

1000 megohms (minimum)

Actuator Style

Square Pushbutton
Plunger

Case Material

3MN,3MA, & 3NMH-Series: Dially phthalate (DAP)(UL94V-0)
3MS-Series: Glass filled nylon 6/6, flame retardant, heat stabilized (UL94V-0)

Plunger Material

3MN-Series: Thermoplastic polyester, black
3NMH-Series: Brass, black finish with o-ring seal
3MS & 3MA-Series: Glass filled nylon or glass filled polyester (UL94V-0)

Bushing Material

3MN-Series: Brass, nickel plated
3MA-Series: Zinc, nickel plated
3NMH-Series: Brass, black finish with o-ring seal

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 datasheet file above for dimensions
and more

Resources

Applications

Telecommunications
Performance Audio
Networking
Computers
Instrumentation
Low Power On/Off Designs
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