ProMax PPS22024GRL 22mm Waterproof Metal Push Button Switch Latching Green Ring LED 12V-24V

Specifications

• Mounting Hole Diameter: 22mm
  
• Switch Operation: Latching (Push-ON, Push-OFF)
  
• Illumination Type: Outer Ring LED
  
• LED Illumination Color: Green
  
• LED Operating Voltage: 12V – 24V DC/AC
  
• Contact Configuration: 1NO + 1NC + 1C (SPDT Pins)
  
• Connection Interface: 5× Pin Terminals 
  
• Waterproof Protection Rating: IP65
  
• Material: Nickel-Plated Brass / Stainless Steel
  
• Switching Current Rating: 3A / 250V AC
  
• Operating Temperature Range: -20°C to +55°C

Unlock New Capabilities

Past Projects
If you've already experimented with small plastic tactile buttons on breadboards or wired up basic rocker switches for low-current DIY circuits, you understand how digital or mechanical state changes control loops. You are now ready to graduate from fragile prototyping components to high-current, panel-mounted industrial hardware.

Feature Upgrade
This rugged metal switch unlocks the ability to build resilient outdoor or industrial installations, custom automotive control arrays, heavy machinery emergency control panels, and weatherized marine electronics systems. It provides robust tactile feedback combined with a self-contained visual feedback mechanism that is completely impervious to environmental dust and pressurized water jets. 

Effort Level & Minimum Hardware

Minimum hardware to get started:

• 12V to 24V Power Source — required because the integrated green LED ring contains an internal current-limiting resistor calibrated strictly for this voltage window; lower voltages will cause dimming, while higher voltages will burn out the LED circuit.
  
• 22mm Drilled Panel Cutout — required to structurally mount the switch housing; the chassis must be locked tightly via the rear retaining nut to compress the waterproof gasket.
  
• Spade Terminal Connectors or Soldering Setup — required to establish high-integrity electrical connections with the rear contact terminals without causing cross-contact shorts.

Virtual Technician & Wiring Guide

⚠️ Safety Warnings:

• Voltage Limitations: Do not connect the LED terminals directly to 110V or 220V AC mains electrical power. This specific variant is rated strictly for a 12V–24V operational range.
• Current Draw Maxima: The mechanical contacts are rated up to 3A for resistive loads. If controlling heavy inductive machinery, massive pumps, or high-power motors, use this switch to control an external industrial relay or contactor instead of running high currents directly through the button body.
• Solder Heat Alert: If soldering directly to the spade terminals, do not apply heat for more than 3 seconds per pin; excessive heat will melt the internal blue polymer housing seen in image_af0285.jpg and misalign the internal contact points.

Wiring — ProMax 22mm Switch to Industrial 12V/24V Control Circuit:

Package Includes:

1× ProMax PPS22024GRL 22mm Metal Push Button Switch

1× Nitrile Rubber O-Ring Sealing Gasket

1× Heavy-Duty Hexagonal Threaded Retaining Nut

Frequently Asked Questions

1. What does "latching" mean for this specific switch?
   Latching means the switch maintains its state after being pressed. When you press it, it clicks down and stays locked in the ON position until you press it a second time to unlock it back to OFF.
2. Can this switch be used as a momentary push button?
   No, this is a mechanical latching model. If your circuit requires a momentary action (where the contact opens immediately when the finger releases), you need the ProMax PPS22006GRM version instead.
3. What is the mechanical lifespan of this latching switch?
   The switch is rated for up to 500,000 mechanical latching cycles under normal thermal conditions before fatigue occurs.
4. Does the switch make an audible click when operated?
   Yes, it gives a clear, highly audible and positive tactile click when pressed down into the locked position and when released.
    
5. What voltage range does the green illuminated ring LED support?
   The built-in LED circuit safely supports any operational voltage between 12V and 24V AC or DC.
6. Do I need to wire an external current-limiting resistor for the LED ring?
   No. The internal terminal array contains a pre-integrated current-limiting resistor matched for 12V to 24V lines.
7. What happens if I attempt to power the LED ring with a 5V supply?
   The internal resistor is sized for higher ranges, so supplying 5V will make the green LED illuminate very dimly or not turn on at all.
8. What happens if I power the LED ring with a 36V or higher supply?
   Exceeding 24V will over-drive the internal circuit, causing excessive heat generation and eventual premature blowout of the green LED module.
9. Can the illuminated ring LED be run from an AC power source? Yes, the internal illumination module is bi-directional and tolerates both 12V–24V DC and 12V–24V AC sources.
10. What do the labels NO, NC, and C stamped on the housing stand for?
    "C" is the Common terminal input, "NO" is Normally Open (contact closes when latched), and "NC" is Normally Closed (contact opens when latched).
11. How do I wire this switch so the green LED ring illuminates ONLY when the button is actively latched ON?
    Connect your supply voltage to the Common (C) terminal, jump a secondary wire from Normally Open (NO) to the LED positive (+) terminal, and route the LED negative (-) terminal to system ground.
12. How do I wire this switch so the green LED ring stays illuminated permanently as a locator light?
    Connect the LED positive (+) terminal directly to your constant system power rail, and the LED negative (-) terminal to system ground.
13. What is the precise chassis panel mounting hole diameter required?
    A standard circular cutout diameter of exactly 22mm is required to install the threaded section of the switch housing.
14. What is the maximum panel thickness that the switch housing can accommodate?
    The extended threaded collar can comfortably secure through mounting panels up to 10mm thick while still retaining full nut grip.
15. What size wrench should be used to tighten the rear retaining hex nut?
    A standard 25mm wrench or adjustable tool can be utilized to lock the hex backing nut firmly in position.
16. What does the IP65 waterproof protection rating mean in practice?
    It signifies that the front button face is completely sealed against entry from windborne dust and low-pressure water splashes or rain from any angle.
17. Can this metal push switch be fully submerged deep underwater?
    No, it is rated IP65 for weatherproofing and splashes. It cannot withstand permanent high-pressure immersion underwater.
18. Will the metal body resist corrosion if used in outdoor control boxes?
    Yes, the premium nickel-plated brass shell construction is designed to withstand moisture and prevent oxidization in weatherized installations.
19. Can I wire the mechanical contact terminals directly to a 24V industrial PLC input?
    Yes, the switch contacts isolate fully from the LED and easily switch 24V logic signals directly into industrial automation inputs.
20. What is the maximum safe manual soldering temperature for the spade contacts?
    Do not exceed 300°C for more than 3 seconds per pin to avoid thermal degradation of the blue contact base plate.