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2B
TACLEX
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Product Overview
The 2B Series is a compact SMD toggle switch from Taclex Switch, engineered for high-density automated production and harsh environments. Featuring a revolutionary SMT surface-mount packaging, it redefines rocker switch installation—eliminating the cumbersome through-hole soldering process and seamlessly integrating with modern high-speed pick-and-place production lines. Within a compact footprint of just a few millimeters, the 2B Series delivers an impressive combination of IP67 fully sealed waterproofing, 3A high-current carrying capacity, and a mechanical life of 30,000 cycles. The chrome-plated brass actuator incorporates an integral O-ring seal, while the glass-reinforced nylon 6/6 base is UL 94 V-0 flame-retardant certified—every detail engineered for "reliable switching in harsh environments."
Technical Parameters
Key Features
1. SMD Surface Mount – The Perfect Partner for Automated Production
Adopting SMT (Surface Mount Technology) packaging, compatible with modern high-speed pick‑and‑place machines and reflow soldering processes. No through‑hole drilling is required, saving PCB space and processing steps; automated placement significantly boosts production efficiency and soldering consistency, while reducing labor costs and the risk of cold solder joints.
2. IP67 Full Sealing Protection – A Champion in Wet Environments
With a precision O‑ring sealing structure and integrated waterproof design, the switch achieves the highest IP67 protection rating (verified by internal testing). It completely blocks dust ingress and withstands temporary immersion. Rain, water spray, high‑pressure washing, or humid salt‑fog atmospheres – no matter the harsh condition, the internal contacts remain perfectly dry.
3. 3A High Current Capacity – Powerful Performance in a Miniature Body
Rated at 3A @ 120VAC / 28VDC (resistive load), sufficient to drive most control circuits and small‑power loads. Silver‑alloy / gold‑plated contacts resist oxidation and arcing, ensuring low temperature rise and stable contact resistance even under high current, breaking the conventional notion that “SMD switches are only for small currents.”
4. Multiple Switching Functions – One Switch for a Thousand Needs
Offers a variety of switching function options (SPST, SPDT, and other circuit configurations, as well as different position combinations), from simple power ON/OFF to signal routing, and from two‑position to three‑position selection, flexibly adapting to diverse circuit design requirements.
5. Wide Operating Temperature Range from –30°C to 85°C – Equally at Home in Extreme Cold and Heat
From minus thirty degrees in northern winters to the high summer heat of industrial sites, the 2B Series maintains consistent mechanical feel and electrical performance. The glass‑reinforced nylon base and weather‑resistant sealing materials ensure no deformation, aging, or leakage under extreme temperatures.
6. 30,000 Mechanical Cycles – Built to Last
An optimised spring‑rocker mechanism and wear‑resistant contact design deliver a mechanical life of 30,000 switching cycles. In frequently operated instruments or long‑running telecom equipment, it always provides crisp, positive tactile feedback.
Applications
Telecommunications Equipment
Power switching and function selection for outdoor base-station cabinets and RRU (Remote Radio Unit) equipment
Waterproof control switches for fiber optic terminal boxes and outdoor distribution frames
Compact panel controls for network cabinets and server chassis
Miniaturized power distribution management for 5G micro base stations
Instrumentation & Test Equipment
Main power control for portable waterproof testing instruments
Internal controls for environmental test chambers and salt‑spray test equipment
Function/mode selection on precision measurement instruments
Waterproof operator panels for laboratory equipment
Medical Devices
Power switches for portable medical instruments (requiring cleaning and disinfection)
Waterproof control panels for operating‑room equipment
Compact control interfaces for rehabilitation equipment and dialysis machines
Mode switching for medical cleaning and disinfection equipment
Industrial Control
Auxiliary PLC control switches in humid environments
Waterproof operator panels for food processing machinery (subject to frequent washdown)
Corrosion‑resistant control circuits in chemical plants
Power and mode switching for outdoor sensors and RTUs (Remote Terminal Units)
Consumer Electronics & Computer Peripherals
Power switches for industrial‑grade waterproof keyboards and mice
Compact controls for outdoor self‑service terminals and information kiosks
Internal switches for rugged tablets and waterproof/dustproof/shockproof (rugged) mobile phones
Waterproof configuration switches for smart home gateways and routers
