This 3-Pin Single Pole Double Throw (SPDT) Rocker Switch is a specialized power component featuring a three-position functional logic. Designed for versatile circuit routing in AC systems, its compact 26.20mm x 12.70mm footprint makes it an ideal choice for control panels where space is at a premium.
3-Position Center-OFF Logic: Features a functional "II-O-I" actuator, allowing users to toggle between two separate active circuits while maintaining a central neutral "OFF" position for safety.
Compact Snap-In Design: The 26.20mm x 12.70mm chassis is engineered for standard rectangular cutouts, featuring integrated lateral tension clips for a secure, tool-free installation.
Industrial AC Rating: Built to handle standard electrical loads, typically rated for 16A 250V AC or 20A 125V AC, providing robust performance for household appliances and workshop tools.
High-Contrast Markings: The matte black rocker face is embossed with clear white "II", "O", and "I" symbols, ensuring unmistakable visual confirmation of the switch state.
Low-Resistance Terminals: Equipped with three high-conductivity male spade terminals, optimized for secure and reliable connections with standard quick-disconnect crimp lugs.
Durable Build: Manufactured from flame-retardant, high-impact polymers to withstand the thermal and mechanical stresses of frequent use.
Switch Type: Rocker Switch (Latching ON-OFF-ON).
Circuit Configuration: 3-Pin SPDT.
Mounting Dimensions: 26.20mm (L) x 12.70mm (W).
Voltage Ratings: AC 250V / AC 125V.
Actuator Color: Matte Black.
Application: Ideal for speed selectors (High/Low), directional actuators, and dual-source power input selection.
What is the difference between this and a standard ON-OFF switch? While a standard switch only has two states, this Center-OFF model allows you to control two different devices or modes independently. For example, you can wire "Position I" for a fan's low speed and "Position II" for high speed, with the center "O" position cutting power entirely.
Does this switch stay in position or snap back? This is a latching switch. Once you flip the rocker to "I", "O", or "II", it will remain in that position until you manually move it again. This is different from momentary "spring-return" switches used for window controls.
Will this fit in a large 33mm industrial cutout? No. This is a Small-Format rocker switch. At 26.20mm in length, it is significantly smaller than the large industrial series. Always verify your panel cutout dimensions to ensure a proper snap-in fit.
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