This is a Red R13-507 16mm No Lock Push Button Momentary Switch 3A 250V. It is an SPST Switch and The No lock Self Reset OFF/ON push button switch is suitable for 16mm diameter mounting hole. It  Used widely for circuits control in electromagnetic starters, contractors, and other electric circuits.

Features:

Single pole push to make and Push to break Function

Good electrical conductivity

Non-momentary type push-button switch

Rubber ring and hexagon nut to fix, Waterproof and Dustproof

Specifications:

Model: R13-507-M-5S

Material: Plastic, metal

Terminals: 2 Pin

Action Type: Momentary Action, Push and Hold – ON, Release – OFF

Voltage: AC 6A / 125V 3A / 250V

Total Size : 24.4 x 20mm/ 0.96″ x 0.79″ (L*D)