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D3V
D3V Snap-Action Micro Switches: Precision and Reliability for Industrial Control
D3V snap-action micro switches, also known as precision limit switches or miniature snap switches, are electromechanical devices designed for high-speed, repeatable switching in control circuits. These switches feature a snap-action mechanism that ensures rapid conta...
D3V Snap-Action Micro Switches: Precision and Reliability for Industrial Control
D3V snap-action micro switches, also known as precision limit switches or miniature snap switches, are electromechanical devices designed for high-speed, repeatable switching in control circuits. These switches feature a snap-action mechanism that ensures rapid contact transfer regardless of actuation speed, eliminating contact bounce and arcing. Key technical specifications include contact ratings from 5A to 21A at 125/250VAC, with SPDT (single-pole double-throw) or SPST-NO/NC configurations. The actuators come in various forms: pin plunger, lever roller, simulated roller, and leaf lever, with operating forces ranging from 0.5N to 5N. The housing is typically made of heat-resistant phenolic or thermoplastic, offering mechanical life exceeding 10 million cycles. These switches are available with solder, quick-connect (tab), or PCB terminals, and some models include sealed versions with IP67 protection for harsh environments.
These micro switches are fundamental components in industrial automation, HVAC systems, vending machines, and safety interlocks. They are commonly installed in control panels, conveyor systems, elevator doors, and household appliances like washing machines and microwave ovens. In industrial settings, they serve as position sensors for limit detection, door interlocks, and safety guards. Their compact size (typically 19.8 x 6.4 x 10.3 mm) allows integration into tight spaces, while the snap-action mechanism ensures reliable operation in vibration-prone environments. They are also used in automotive applications for seat belt buckles, brake lights, and door switches.
The D3V series includes several subcategories: D3V-11-1C5 (pin plunger, 5A), D3V-11-2C5 (lever roller, 5A), D3V-11-3C5 (simulated roller, 5A), D3V-11-4C5 (leaf lever, 5A), and D3V-11-5C5 (hinged lever, 5A). Higher current versions like D3V-11-1A5 (21A) are also available. The part number structure typically follows: D3V-11-[actuator code][terminal type][current rating], where actuator codes 1-5 indicate plunger, lever, roller, leaf, or hinge, terminal types A (solder), B (quick-connect), or C (PCB), and current ratings A5 (21A), C5 (5A), or D5 (10A). Accessories include actuator adapters and mounting brackets.
At Electric Automation Network, we offer D3V micro switches with real-time pricing, detailed technical datasheets, and express worldwide shipping. Our engineering team provides personalized support for selecting the right actuator type, contact configuration, and sealing level for your application. We ensure stock availability for common variants and can source specialized models on request. Benefit from our multilingual portal and dedicated technical assistance for seamless integration into your projects.
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