Key operated switches offer a secure and reliable way to control access to electrical circuits, ensuring safety and preventing unauthorized use. Whether for home security, industrial applications, or specialized equipment, selecting the right switch is crucial for performance and peace of mind. This guide will help you navigate the options to find the perfect fit for your needs.
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Discover now our comparison of the best Key Operated Switches. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Key Operated Switches are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
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No. 1
Gebildet 12mm On/Off Metal Key Lock Switch Prewired Key Switch Lock Maintained Latching Key Switch(Pack of 4)
- Current: 0-2A; Voltage: 0-250V
- ON and OFF switch: The Key can be taken off when the switch stays ON or OFFposition
- Fits many different applications, such as Go karts, Gas scooters, Electric scooters.
- The key and switch are identical and interchangeable with each other, one key can open all switch.
- Package including: 4pcs prewired key lock switch + 8pcs Keys
No. 2
APIELE 22MM 2 Position Key Switch 1NO XB2-10Y/21 (2 Position Maintained)
- The Key can not be removable in on position.
- Product name: Brand New 22mm Plastic 2 Position Key Switch
- STRUCTURE: 1NO (1 Normally Open Contact), Switch Rating: 660VAC/10A
- Mounting Size: 22mm, Operation Type: Maintained (Latching)
- Material: Nylon Body, Alum Circuit, Silver Contact, Brass Conductor
No. 3
Eaton M22-WRS3 22mm Selector Switch, Key Operated, M22
- Family / Style:M22
- Mounting:22.5 mm
- Color:Silver
- IP/NEMA Rating:13, 4X
- Type:Non-Illuminated, Key Type, Maintained, 3 Position
SaleNo. 4
Jameco ValuePro Round SPST Off-ON Keylock Switch Key 2341
- Manufacture#: IG-406D-2341
- Voltage/Current: 125VAC/4A, 250VAC/2A
- 2-Position key removal, marked 2341, SPST
−8%
$7.96
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No. 5
OELFFOW 1Pack Black 2-Position Key Switch 1NO 1NC 4 Screw Terminal ON-Off Switch with 2 Keys Ui: 690V, Ith...
- 【Safe and Durable】: The shell is made of insulating material with fire-retardant properties. High-quality plastic increases impact resistance and oxidation resistance, thereby extending the service life.
- 【High Conductivity and Protection】: Contact base has good conductivity and longer service life. Bottom dust cover design can effectively prevent dust from entering and reduce damage to products.
- 【Easy to Install】: The key switch can be easily installed on your device without a professional. Its simple design and easy-to-connect terminals make the installation process easier and faster, saving your time and effort.
- 【Versatile Usage】: Can be widely used in industrial control equipment for contactors, relays, electronic, magnetic and electromagnetic starters. Also suitable as a replacement for damaged switches.
- 【Product Parameters】: Material: Metal & Plastic Color: Black Terminal: 1NO 1NC Switch Type: Key Switch Operational Structure: 2-Position ON-OFF Ui: 690V Ith: 10A Current: AC-15A DC-13A Package Includes: 1Pcs Black Key Switch + 2 Keys
No. 6
2 Position Key Operated Switch 2 Keys 22mm Mount LAY37 11Y 21 2 Position This is a 2 Role Key Operated...
- 2 POSITION This is a 2 position key operated switch 1NO 1NC(normal close).
- This switch had good insulation performance.
- Specifications---Working Voltage 220V Working t 5A ed Thermal t 10A ance 20Ω Mount Hole 22mm hanical Life 5 times
- Good Performance This switch had good insulation performance. Quality assurance stable and lifespan.
- 2 position this is a 2 role key operated switch 1no 1nc(normal close).
No. 7
NEW SQUARE D 9001KS11K1 KEY OPERATED SELECTOR SWITCH K D275589
- Series: K
- Type: Switch
- SKU: D275589 (KFP)
No. 8
APIELE 22mm Key Switch 440V 10A 1NO1NC Maintained (2 Position, Latching)
- GET NEW ONE IF NOT MAN MADE BROKEN IN 3 YEARS SINCE YOU PURCHASE THE SWITCH.
- Product name: Brand New 22mm Plastic 2 Position Key Switch
- Terminal Quantity: 4 screw terminals. Ith : 10A;Ui : 440V
- 1NO1NC silver contact; Action: Maintained. 2 Position.
- Aluminium Alloy Head, For long work life.
- The Key can not be removable in on position.
No. 9
LAY37-20Y/31 Rotary Switch, 3 Position Key Operated Rotary Switch with 2 Keys, 22mm Mount Rotary Push Button...
- brand new and high quality.
- This is a 3 position rotary switch, 2NO(normal open) + 1NC(normal close).
- Adopt high quality plastic, flame retardant and to high temperature.
- This switch had good insulation performance.
- Quality assurance, stable and reliable, long lifespan.
No. 10
STARELO 22mm Key Switch 2 Position Maintained 1NO Latching Rotary Key Switch 10A 440V XB2-10Y/21.(2 Position...
- Specifications: You get a brand new 2-position Key switch.The rated voltage of this switch is: 440V AC, rated current: 10A, required aperture: 22mm.
- Function: This selector switch is made of non-flammable material and corrosion-resistant plastic, which is shock-resistant and vibration-resistant, suitable for use in various harsh environments.
- Design: The outer shell of the operating part of the product is made of zinc alloy metal, and the connection with the middle seat is fixed by screws.
- Applicability: Used widely to control the electromagnetic starter, contactor, relay and other automatic control electric circuits.
- After sales: Electrical life: 200,000 times. If you encounter any problems during use, please feel free to contact us.
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Last update on 2026-04-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Key Operated Switches
Understanding Key Operated Switch Types
Key operated switches, often referred to as key locks or key switches, are designed to restrict operation to individuals possessing the correct key. They are commonly used for:- Security applications: To prevent unauthorized access to control panels or sensitive equipment.
- Safety interlocks: Ensuring machinery is safely powered down before maintenance.
- Access control: Granting access to specific functions or areas only when the switch is activated by a key.
Key Features to Consider
When evaluating key operated switches, several factors are paramount:- Durability and Material: Look for robust construction, often using metal casings, to withstand environmental conditions and frequent use. Stainless steel or heavy-duty plastics are common choices.
- Contact Rating: This indicates the maximum voltage and current the switch can handle. Ensure it meets or exceeds the requirements of the circuit you intend to control.
- Number of Positions: Switches can have two positions (e.g., ON/OFF) or more, allowing for different operational modes.
- Key Removal: Some switches allow key removal in all positions, while others only allow removal in the OFF position for added security.
- Environmental Sealing: If the switch will be used in dusty, wet, or outdoor environments, look for models with appropriate IP ratings for dust and water resistance.
Installation and Application
Installation typically involves mounting the switch into a panel or enclosure and connecting the appropriate wires to the terminals. Always ensure the power is disconnected before beginning any electrical work. The intended application will heavily influence your choice. For high-security needs, opt for switches with more complex keying mechanisms. For simple on/off control with restricted access, a standard maintained switch may suffice. Consider the physical space available for mounting and the wiring accessibility.Comparison Tips
- Match Electrical Specifications: The most critical step is to ensure the switch's voltage and amperage ratings are compatible with your electrical system.
- Assess Security Needs: Determine the level of security required. Keyed alike options are convenient for multiple controls, but keyed different offers superior individual security.
- Consider the Environment: Select a switch built to withstand the conditions of its intended installation location.
- Evaluate Ease of Use: While security is key, ensure the switch is practical for authorized users to operate, especially in high-traffic or critical applications.
Frequently Asked Questions
What is a key operated switch?
A key operated switch is an electrical switch that requires a specific key to be turned in order to activate or deactivate a circuit. This provides a layer of security and control, preventing unauthorized operation.
What are the common uses for key operated switches?
They are commonly used for security purposes, such as controlling access to sensitive equipment or panels, as well as for safety interlocks on machinery. They can also be used for general access control where only authorized personnel should operate a device.
What is the difference between momentary and maintained key switches?
A momentary key switch returns to its default position (usually OFF) when the key is released, similar to a doorbell button. A maintained key switch stays in the position (ON or OFF) it's turned to until the key is turned again.
What does 'keyed alike' and 'keyed different' mean?
'Keyed alike' means multiple switches can be operated by the same key, which is convenient for systems with several controls. 'Keyed different' means each switch requires a unique key for operation, offering higher individual security.
How do I determine the correct contact rating for a key switch?
You need to know the maximum voltage and current (amperage) of the electrical circuit the switch will control. The switch's rating must be equal to or higher than these values to ensure safe and reliable operation.
Can key operated switches be used outdoors?
Yes, many key operated switches are designed for outdoor or harsh environments. Look for models with high IP (Ingress Protection) ratings, which indicate their resistance to dust and water.