Model: Unionwell 303
Size: Ultra‑compact subminiature design
Rating: 3A, 12VDC
Sealing: Fully sealed for dust and moisture protection
Approvals: Global safety certifications (UL, CE, etc.)
Durability: Long life cycle with high reliability
Options: Multiple actuator styles & terminal types
Customization: Tailored designs available upon request
Applications: Ideal for automotive, home appliances, industrial controls
Experience industry‑leading performance in an ultra‑compact package with the Unionwell 303 Subminiature Sealed Micro Switch. Designed and manufactured by Huizhou Unionwell—one of China's top sealed microswitch producers—this switch delivers dependable operation across a wide range of applications.
At just a fraction of the size of traditional microswitches, the Unionwell 303 excels where space is at a premium. Its fully sealed housing protects against dust, moisture, and other environmental factors, ensuring consistent performance in harsh conditions. Backed by global safety approvals (UL, CE, and more), you can integrate the 303 with confidence in both consumer and industrial settings.
Rated for up to 3 A at 12 VDC and engineered for long life, this switch offers high reliability even under frequent actuation. Choose from a broad selection of actuator styles and terminal layouts to match your exact mechanical and electrical requirements. If off‑the‑shelf options aren't enough, Unionwell also provides custom designs to meet your unique project specifications.
Whether you're designing automotive controls, household appliances, or industrial equipment, the Unionwell 303 Subminiature Sealed Micro Switch combines compact form factor, durable sealing, and versatile configurations—making it the ideal choice for engineers seeking maximum performance in minimal space.