Key Features

• Standard 16mm mounting size, suitable for universal control panel installation
• Two working modes: 2-position (2P) and 3-position (3P) maintained operation
• Key operated design for authorized access and equipment safety protection
• Classic 1NO1NC normally open and normally closed contact configuration
• Silver contact material for excellent conductivity and stable circuit connection
• Full plastic bezel, head and shell, lightweight and durable structure
• Black appearance, simple and practical for various control cabinets
• Non-illuminated design, simple structure and low failure rate
• Maintained position function, keep stable state after switching
• Professional safety switch for restricting unauthorized operation
• Compact structure, easy wiring and long service life

Technical Specifications

Product Attributes

• Mounting Dimension: 16mm
• Operation Mode: 2P / 3P Maintained Selector
• Contact Type: 1NO1NC
• Contact Material: Silver
• Bezel: Plastic
• Head: Black Plastic
• Shell: Plastic
• Lamp Status: Non-Illuminated
• Operation Type: Key Operated Lock Switch

Product Advantages

This 16mm key operated selector switch adopts standard 16mm installation size, compatible with most industrial control panels. It supports 2-position and 3-position maintained switching, and is equipped with 1NO1NC contact layout to meet diverse circuit control demands. The silver contacts ensure good electrical conductivity and stable operation. The whole set uses plastic materials for bezel, head and shell, which is lightweight, durable and cost-effective. The key locking design effectively prevents unauthorized operation of equipment and improves operational safety. With black appearance and non-illuminated structure, this switch features simple installation, convenient wiring and reliable performance for long-term use.

Applications

• Industrial control cabinet key-locked circuit selection and power control
• Mechanical equipment operation panel permission management switch
• Automation machine tool safety access control component
• Electrical equipment and power distribution box lock-type selector switch
• Public facilities and special equipment anti-misoperation control switch

FAQ

1. What is the standard mounting size of this key switch?
The standard installation aperture is 16mm, which is widely used for conventional control panels.

2. How many position modes does this selector switch support?
It has two optional modes: 2-position (2P) and 3-position (3P) maintained position.

3. What is the contact configuration and contact material?
It adopts 1NO1NC (1 normally open + 1 normally closed) configuration, and the contact is made of silver.

4. What materials are used for the switch body?
The bezel, head and outer shell are all made of plastic, and the head color is black.

5. Does this key switch have an indicator lamp?
No, it is designed as non-illuminated type without built-in indicator lamp.

6. What is the feature of maintained position design?
After switching the gear by key, the switch will keep the current state steadily without accidental reset.

7. What are the main application scenarios?
Mainly used for industrial control cabinets, mechanical equipment and electrical devices that need key permission control.