12mm PBS-33B Push Button

12mm PBS-33B 2 Pin Push Button Black

ON OFF 1A 250V Mini Round Waterproof Switch Momentary Switch

     The PBS-33B is a 2-pin mini push button with a black dome cap and black body that fits a 12mm panel hole. It works momentarily: the contact is normally open (NO), it closes as long as the button is held down, and when released it returns by spring and the circuit opens again. The switching rating is 1A at 250V AC and 3A at 125V AC.

     The body has a 12mm thread; it is inserted into the panel from the front and tightened with a metal nut from behind, and it fits panels up to about 3mm thick. The 2 flat metal terminals at the back are suitable for soldering a cable or fitting a flat (faston) cable terminal. The button is about 18mm in overall size and weighs about 4gr.

     The all-black look blends in on dark panels and device enclosures; it is used as a general-purpose start, select, mode or reset button. The same button is also available with red, yellow, blue, green and white caps; control panels can be organised by using a different colour for each function.

Key features:

     Momentary action: The circuit closes as long as the button is held down and opens when released; it does not latch. Suitable for single-press commands such as start, reset and door bell.

     Black dome cap and body: Cap and bezel are black; it looks plain on dark panels and device enclosures and is preferred for general-purpose buttons.

     12mm panel mounting: The threaded body fits a 12mm hole and is tightened with a nut from behind; it fits panels up to about 3mm thick.

     1A 250V / 3A 125V switching: The contacts switch up to 1A at 250V AC and 3A at 125V AC; a comfortable margin for low-voltage control circuits.

     Solder and faston compatible terminal: The 2 flat metal terminals can be soldered to a cable or fitted with a flat (faston) cable terminal.

Features:

• Product type: Momentary mini push button, spring return
• Model: PBS-33B
• Contact type: NO (normally open), closes when pressed
• Action type: Push to ON ( OFF-ON ), OFF when released
• Switching rating: 1A 250V AC / 3A 125V AC
• Number of pins: 2
• Poles and positions: 1 pole, 1 momentary position
• Panel mounting: 12mm hole
• Fixing: Threaded body, fixed to the panel with a metal nut
• Suitable panel: Up to about 3mm thick
• Terminal: Flat metal terminal, can be soldered or fitted with a flat (faston) cable terminal
• Cap shape: Dome (round) cap, black bezel
• Electrical life: At least 10,000 presses (mechanical life at least 100,000)
• Operating temperature: -25°C - 85°C
• Material: Plastic body and cap, metal nut and terminals
• Colour: Black cap, black body
• Dimensions: About 18mm x 18mm x 18mm
• Weight: About 4gr

Usage information:

• Drill a 12mm hole in the panel. Remove the nut, insert the button from the front of the panel and tighten the nut by hand from behind; do not overtighten the nut and strain the plastic thread.
• The button has no polarity; connect its 2 terminals in series with the line to be switched. The line is closed while the button is held down.
• If you solder, solder the terminal quickly; prolonged heat can soften the plastic body. Insulate the solder joints with heat shrink tubing.

Applications:

•  Start and reset button
•  Door bell button
•  Alarm and warning systems
•  Control panel and electrical switchboard
•  Control box
•  Game console and arcade control panel
•  Machine and workbench controls
•  Robot and model projects
•  Mode and select button on device enclosures

Precautions:

•  This button works momentarily and does not latch in the pressed position; if you need an on-off (latching) switch, use a latching type button.
•  Do not exceed 1A at 250V AC or 3A at 125V AC; switch high-current loads such as motors and heaters through a relay or contactor, not directly.
•  Seller listings describe it as "waterproof", but no IP protection class is specified; do not use it where it is directly exposed to water and rain.
•  When used with mains voltage the terminals are exposed; insulate behind the panel and make the connection with the power off.

Package contents:

•  1 Piece 12mm PBS-33B Push Button Black
•  1 Piece metal nut ( Assembled )
•  Note: Cable and faston terminal are not included in the package.