Key Switch Lock SPDT 3 Pin 2 Position 250V 2A 19mm
The Key Switch Lock SPDT 3 Pin 2 Position 250V 2A 19mm is a durable and reliable switch designed for secure electrical control and access management in various applications. Its strong metal construction and smooth locking mechanism ensure dependable performance and safety for both industrial and electronic systems.
Key Features:
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operates as a Single Pole Double Throw (SPDT) switch, allowing two different circuit paths for versatile control.
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Designed with two working positions (ON-ON or ON-OFF), ideal for systems that require manual key activation.
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Compact 19mm mounting hole diameter for easy installation in panels, control boxes, and machinery.
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High durability metal body and lock barrel with chrome finish for long-lasting use.
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Removable key when in either ON or OFF position for added security and flexibility.
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Rated for 250V AC, 2A current, ensuring compatibility with a wide range of low- and medium-power applications.
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Comes with 3 solder terminals for stable and easy electrical connection.
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Smooth key rotation mechanism for consistent switching performance.
Applications:
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Power control for machinery and automation panels.
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Security access switches for vending machines, kiosks, and elevators.
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Automotive dashboard or ignition control systems.
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DIY electronics projects and control panels.
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Locking ON/OFF switches for public or shared equipment.
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Used in security alarm systems or restricted access devices.
Advantages:
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Provides secure key-operated control to prevent unauthorized use.
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Easy to mount, wire, and operate.
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Long service life with stable contact resistance.
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Compact design suitable for small enclosures.
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Offers both mechanical security and electrical reliability.
Technical Specifications (Data Sheet Summary):
| Parameter | Value |
|---|---|
| Switch Type | SPDT (Single Pole Double Throw) |
| Positions | 2 Position (ON-ON or ON-OFF) |
| Terminals | 3 Pins |
| Rated Voltage | 250V AC |
| Rated Current | 2A |
| Mounting Hole Diameter | 19mm |
| Material | Metal Alloy |
| Key Action | 90° Rotation |
| Key Removal | In Both Positions |
| Contact Resistance | ≤ 50mΩ |
| Insulation Resistance | ≥ 100MΩ |
| Mechanical Life | ≥ 10,000 Cycles |
| Operating Temperature | -20°C to +65°C |
is the perfect solution for users who need a combination of electrical control and physical security. With its robust build, precise switching, and key-based operation, it’s a trusted choice for professional engineers, industrial users, and electronics enthusiasts alike. This module ensures both safety and control in every application.


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