Key Features & Core Advantages

• Standard 19mm mounting size, widely compatible with mainstream industrial control panels and equipment housings
• 3-position selection design, flexible for multi-gear circuit switching and mode adjustment
• 12V built-in LED lamp, clear status display, ideal for low-light and dim industrial environments
• Excellent waterproof performance, adapts to humid, splash and outdoor working conditions
• Two optional contact combinations: 1NO+1NC and 2NO+2NC for diverse circuit demands
• Silver contacts plus gold-plated pins, ultra-low resistance, outstanding conductivity and anti-oxidation
• High-grade materials: stainless steel + chromium plated brass shell, sturdy and corrosion-resistant
• Welding terminal design, firm connection, suitable for PCB soldering and fixed wiring
• Full metal construction, high mechanical strength, anti-collision and long service life
• Integrated sealing structure, stable performance after long-term use in harsh environments
• Compact metal body, exquisite workmanship, matching various industrial equipment styles
• Universal industrial design, compliant with global usage requirements for export sales

Full Technical Specifications

Product Attributes

• Mounting Dimension: 19mm Standard Panel Hole
• Gear: 3-Position Multi-gear Selection
• Lighting: 12V LED Illuminated Indicator
• Protection Grade: Waterproof
• Contact Type: 1NO+1NC / 2NO+2NC Dual Options
• Contact: Silver Material
• Pin: Gold Plated
• Bezel: Stainless Steel
• Shell: Chromium Plated Brass
• Terminal: Welding / Solder Connection
• Core Strength: Metal Body, Waterproof, Low-light Visible, Anti-corrosion

Product Advantages

This 19mm all-metal waterproof rotary switch is engineered for harsh industrial environments. The 19mm standard size ensures great compatibility with most control panels. The 3-position design meets multi-mode switching needs for complex circuits. The 12V LED indicator delivers clear status feedback, which is a huge advantage for workshops, vehicles and other low-light scenarios. Equipped with two mainstream contact configurations, it can adapt to different control circuit designs. Silver contacts and gold-plated pins greatly reduce contact resistance and prevent oxidation, ensuring long-term stable conduction. The combination of stainless steel and chromium plated brass makes the whole switch anti-rust, anti-corrosion and impact resistant. The welding terminal provides reliable connection for PCB and fixed wiring. With integrated waterproof sealing, it works steadily in humid and splash environments. This durable metal switch is a premium choice for industrial, automotive and outdoor electrical systems worldwide.

Application Scenarios

This metal waterproof rotary switch is widely exported to Europe, North America, Southeast Asia and other global regions, focusing on metal equipment, outdoor facilities and low-light working scenes.

• Industrial machinery and equipment in dim workshops, 3-gear mode selector switches
• Automotive electrical systems and vehicle interior multi-function control knobs
• Outdoor electromechanical devices and field operation waterproof control components
• Marine equipment and waterfront low-voltage circuit switching parts
• Testing instruments and measuring devices used in low-light laboratories
• Custom industrial control modules and special environmental electrical equipment

FAQ

1. What is the mounting size and gear position of this rotary switch?
The standard mounting diameter is 19mm, and it is a 3-position rotary switch for multi-gear selection.

2. What is the voltage of the built-in indicator light?
The LED indicator works at 12V, which can clearly display the switch status in low-light areas.

3. Does this switch have waterproof function?
Yes, it adopts sealed structure with excellent waterproof performance for humid and splash environments.

4. What contact types are available?
It provides two optional contact combinations: 1NO+1NC and 2NO+2NC.

5. What are the materials of contacts and pins?
The contacts are made of silver; the pins adopt gold-plated process for better conductivity and anti-oxidation.

6. What materials are used for bezel and outer shell?
The bezel is stainless steel, and the shell is made of chromium plated brass, sturdy and anti-corrosion.

7. What kind of connection terminal does it use?
It is a welding (solder) terminal, suitable for PCB soldering and fixed wiring.

8. What are the core advantages of the all-metal structure?
Full metal construction features high strength, impact resistance, rust and corrosion resistance for long service life.

9. What equipment is this switch mainly used for?
Widely applied to industrial machinery, automotive devices, outdoor equipment and low-light instruments worldwide.