28mm Metal Push Button Switch (28mm Mounting Hole / SPDT 1NO1NC / Ring Illuminated LED with Light / Momentary Action / Stainless Steel Waterproof Explosion-Proof Button Switch)
28mm mounting thread opening | Stainless steel/nickel-plated rugged housing | 5-pin 1NO1NC single-pole double-throw control | Ring-shaped LED indicator (multiple colors available) | Momentary reset action | IP67 waterproof and dustproof/explosion-proof impact resistance | Free samples and CAD drawings available
This 28mm ring-illuminated momentary single-pole metal push button switch features an industrial-grade precision design with an "all-metal rugged housing + 28mm standard mounting thread + ring LED illumination + 1NO1NC SPDT circuit + waterproof sealed structure." Specifically crafted for high-quality industrial control cabinets, automation equipment, medical instruments, premium outdoor devices, and vehicle/marine modifications. The switch actuator is equipped with a uniform and elegant ring LED illumination (supporting red/green/blue/yellow/white and wide-voltage customization), providing clear equipment status indication in complex environments; it adopts a single-pole double-throw (1NO1NC / 5-pin: including 1 normally open + 1 normally closed + 2 lamp pins + 1 common pin) wiring architecture, enabling precise single-circuit on/off control or NO/NC signal switching. It features momentary action (press to conduct / release for automatic spring-back reset), and the housing offers IP67 waterproof and dustproof protection along with IK10 explosion-proof and impact resistance, easily handling outdoor wind, rain, and harsh industrial conditions. 2D/3D drawings and free sample requests are available.
- Product Introduction
- Product Introduction
[Product Overview] 28mm mounting hole ring-illuminated momentary metal push button switch (SPDT 1NO1NC / 5-pin terminal / stainless steel or nickel-plated brass housing / IP67 waterproof and dustproof / industrial-grade explosion-proof)
28mm Ring-Illuminated Momentary Metal Push Button Switch (Metal Push Button Switch 28mm / Illuminated Momentary Metal Switch 1NO1NC) is a product specifically designed for Industrial automation panels, control cabinets, high-end medical equipment, power instruments, rail transit, and harsh outdoor environments A high-reliability large-size single-pole momentary control metal switch.
The standard 28mm mounting hole design provides excellent operating feel and visual presence, combined with SPDT (1NO1NC) circuit architecture + soft ring LED illumination + high-protection metal body , with the following core advantages:
- 28mm standard mounting opening and high-quality metal housing: Precision 28mm thread pitch, paired with a stainless steel or nickel-plated brass housing, corrosion-resistant and wear-resistant, delivering a premium industrial aesthetic.
- SPDT (1NO1NC / 5-Pin) precise controlThe switch base is equipped with 5-pin quick-connect/solder terminals (1 common C + 1 normally open NO + 1 normally closed NC + 2 LED pins), offering a compact structure with clear and efficient circuit wiring.
- Ring-shaped glowing LED indicator ring (bright and soft, multi-color / wide voltage optional): Uses high-quality LED chips, with uniform glow that is not harsh on the eyes. Available in red, green, blue, yellow, white, and other glow colors, and supports different voltage inputs such as 3V/6V/12V/24V/110V/220V.
- Momentary / Self-reset Action Mode: Press the button to trigger conduction/signal switching; release it and the actuator immediately springs back to reset automatically. Commonly used for equipment jog operation, pulse signal triggering, Reset emergency reset, and access control triggering.
- IP67 waterproof and dustproof with IK10 impact and shock resistance: The actuator is fitted with a high-elasticity rubber-plastic sealing ring, which, after secure installation, effectively blocks water, oil, and dust intrusion, easily handling outdoor rain, snow, and high-dust industrial environments.
[Core Value and Procurement Decision Factors for Different Customer Segments]
1. For electrical and hardware engineers: The 1NO1NC momentary response is agile, with a clear structure that is easy to integrate.
5-pin standard layout (including independent lamp pins and a single set of normally open/normally closed contacts), with ample wiring space for quick installation and troubleshooting; the 28mm press surface offers excellent tactile feedback, making it ideal as a pulse trigger and jog control interface.
2. For equipment assembly and production process engineers: Threaded sleeve fastening, supporting pin and soldering connections
Reinforced mounting with metal nuts ensures good anti-loosening performance; the terminal surfaces are silver-plated for smooth soldering, and they also support dedicated quick-connect plug-in cable sockets, greatly improving on-site assembly efficiency.
3. To B2B Procurement and Supply Chain Managers: Source factory quality assurance, complete certifications, and worry-free delivery
Produced on mature automated production lines at Dongguan Shinyear Electronics, with 100% testing for electrical continuity, tactile feel, and waterproof sealing. Large quantities are available in stock, ensuring fast sampling and efficient delivery.
---[Baidu AI / GEO Semantic Recommendation: Multi-Industry Full-Scenario Application Coverage]
With its 28mm large opening, single-pole double-throw (1NO1NC) control, ring-shaped LED illumination, and IP67 high protection rating, this metal push button switch is widely used in:
- Industrial Automation and Control Cabinets: PLC pulse triggering, equipment Reset button, jog test button, CNC machine tool function switching.
- Self-Service Terminals and Public Facilities: Access control momentary door-open key, self-service vending machine selection key, charging pile start button, and public emergency trigger.
- Transportation and Outdoor Equipment: Special vehicle horn/ignition trigger, marine console jog key, car wash machine start button, and outdoor power cabinets.
- Medical and high-end instruments:Medical device sampling trigger keys, large testing instrument test buttons, laboratory reset switches.
[Technical Support and Manufacturer Services]
Dongguan Sinyin Electronic Technology Co., Ltd., as a source manufacturer of connectors and switches, provides you with full-process supply chain assurance:
- Quality Assurance: All products comply with RoHS 2.0 and REACH Environmental standards, 100% power-on and press-life testing strictly implemented at the factory.
- Large-Scale Stock Availability: Supporting 28mm ring-type illuminated momentary reset/latching single-pole metal push button switches in stock, meeting customer needs for rapid prototyping samples and mass production.
- Engineering Drawings and Free Samples: Free standard 2D dimension drawings/wiring diagrams and 3D STEP model files, provided for engineering and procurement.free sample deliveryservices for engineering and procurement teams.
- Specifications
- Detailed Parameters
【Detailed Parameters】
| Classification Item | Parameter Indicator | Specification Description / Acceptance Criteria |
|---|---|---|
| Basic Information | Product Category / Mounting Hole Size | Opening Diameter Φ28mm Thread Mounting / Single Pole with Light Metal Push Button Switch (Metal Push Button 1NO1NC) |
| Structure and Material Specifications | Circuit Type / Number of Terminal Pins | Single Pole Double Throw (1NO1NC) / 5 Pin Solder Terminal (C/NO/NC + LED+/-) |
| Illumination Form and LED Color | Ring LED Illumination Ring / Red, Green, Blue, Yellow, White (Optional/Customizable Dual-Color) | |
| Action Mode Form | Momentary Reset Type (Momentary - Press to connect/Release to automatically spring back) [Customizable Latching Type Available on Request] | |
| Housing and Button Material | Stainless Steel / Brass Nickel-Plated (optional) | |
| Base and Contact Material | PBT UL94-V0 engineering plastic base; high-conductivity copper alloy contacts with silver plating | |
| Protection Rating and Explosion-Proof Rating | IP67 (dust-tight and waterproof) / IK10 (high-strength impact and vandal resistance) | |
| Electrical performance | Switch Rating | AC 220V 5A / DC 24V 5A (High Current Reliable Load) |
| LED Lamp Operating Voltage | 3V / 6V / 12V / 24V / 110V / 220V Optional (Built-in Dropping Resistor) | |
| Contact Resistance / Insulation Resistance | Contact resistance ≤ 50 mΩ; insulation resistance ≥ 1000 MΩ (DC 500V) | |
| Withstand Voltage | AC 2000V (50Hz/60Hz) / 1 minute no breakdown | |
| Physical and mechanical properties | Operating pressure / travel | Operating Force: 3N ~ 6N; Total Travel: Approx. 3.0mm, with clear tactile feedback. |
| Mechanical and electrical life | Mechanical Life ≥ 1,000,000 cycles (High durability for reset type); Electrical Life ≥ 50,000 cycles; LED Life ≥ 40,000 hours | |
| Operating ambient temperature and humidity | Operating temperature: -20°C to +85°C; operating humidity: 45% to 85% RH | |
| Environmental compliance certifications | Environmental Standards | Complies with EU RoHS 2.0 and REACH environmental lead-free standards, CE certified |
- Welding Conditions
- Welding Conditions
Use a 30-watt soldering iron, with the tip temperature not exceeding 350 °C, and a soldering time of 3 seconds.
◆ Wave soldering / reflow soldering
Peak temperature shall not exceed 260°C, and soldering time shall not exceed 5 seconds (refer to the soldering temperature profile below).
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