2PCS 12mm Momentary Push Button Switch Waterproof Panel Mount NO PBS-33B

🔧 PBS-33B 12mm Waterproof Momentary Push Button Switch 2PCS | AuscomTech

This 2-piece set of PBS-33B momentary push button switches is designed for panel mounting in electronic projects, control systems, and DIY applications.

Each pack includes 2 switches in the same selected button colour.

Available in red, blue, green, yellow, and white to suit different control panel layouts and project requirements.

Each switch features a normally open contact with push-to-ON operation, returning to OFF when released for simple and reliable control.

⭐ Key Features

• 2PCS Same Colour Set – ideal for matched installations and clean panel layouts.
• Multiple Colour Options – available in red, blue, green, yellow, and white.
• Momentary Operation – activates only while pressed, returns automatically.
• Normally Open (NO) – circuit closes on press for standard input use.
• 12mm Panel Mount – fits standard enclosure mounting holes.
• Waterproof Button Cap – suitable for protected or semi-exposed environments.
• Compact Design – ideal for space-limited builds and small devices.

📊 Technical Specifications

• Model: PBS-33B
• Switch Type: Momentary push button
• Contact Type: Normally Open (NO)
• Operation: OFF-(ON)
• Mounting Hole: approx. 12 mm
• Thread Size: M12 × 0.75
• Rated Voltage/Current: up to 1A 250V
• Dielectric Strength: 1500VAC / 1 min
• Contact Resistance: <50mΩ
• Insulation Resistance: >100MΩ
• Mechanical Life: >10,000 cycles
• Operating Temperature: -25°C to +85°C
• Quantity: 2 pieces (same selected colour)

🧩 Typical Applications

• Arduino and microcontroller input buttons
• Control panels and enclosures
• Reset, start, and trigger switches
• DIY electronics and prototyping
• Automation and robotics systems
• Custom control interfaces

⚠️ Important Notes

• This is a momentary switch and does not stay ON.
• Colour refers to the button cap. Both switches are supplied in the same selected colour.
• Check electrical ratings before connecting to circuits.
• For mains applications, installation should be performed by a qualified person.

📦 Package Includes

• 2 × PBS-33B 12mm Momentary Push Button Switches (selected colour)

🔗 Recommended Accessories (Not Included)

• Arduino compatible board – digital input control
• Dupont jumper wires – quick prototyping connections
• Prototype PCB – permanent installation
• Resistor kit – pull-up or pull-down circuits