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MPB16L
TACLEX
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Product Overview
The MPB16L Series is a Φ16 mm short‑body metal latching pushbutton switch engineered specifically for space‑constrained applications that require a maintained‑state function. It is not merely a latching variant of the MPB16 series, but rather the most compact product currently available in the 2A / 16 mm latching category – achieving an ultra‑thin body that pushes the industry's dimensional limits to new extremes, unleashing unprecedented internal space freedom for mechanical designers. The switch incorporates a built‑in LED status indication system, requiring only four pins (LED + switch) to deliver visual feedback of the latching state – completely overturning the outdated approach of relying on a "physical recess" to indicate status found in conventional latching switches. When the switch is in the latched position, the actuator returns to a flush surface, while the LED conveys status information through color changes – preserving the aesthetic integrity of the product while allowing operators to clearly identify the switch state from any angle. From industrial control cabinets to energy storage equipment, from medical instruments to communication base stations, the MPB16L series redefines the industry benchmark for compact latching pushbutton switches with its three‑pronged standard of "shortest body, simplest wiring, and most elegant appearance."
Technical Parameters
1. Industry's Shortest Latching Body – Maximizing Design Freedom:
Among 2A/16mm latching pushbutton switches, the MPB16L stands out with the industry's shortest body length. For portable medical devices, compact energy storage modules, and high‑density communication equipment where every millimeter of internal space is precious, saving just 1mm in depth could mean accommodating an additional critical chip or a heat pipe. The extreme compactness of the MPB16L allows engineers to design mechanical layouts without compromising the placement of other components due to switch footprint.
2. 100,000 Electrical Cycles – Durable and Reliable Latching:
With an electrical life of up to 100,000 cycles (at full load), the switch ensures stable operation for years even in equipment that frequently toggles between locked and unlocked states (e.g., maintenance mode switching, parameter configuration locking). The coin‑silver contacts with gold‑plated overlay guarantee reliable performance for both high‑current conduction and low‑level signal transmission – whether driving relay coils or transmitting logic levels, contact performance remains consistent.
3. 4‑Pin Integrated Design – Minimalist and Efficient Wiring:
Conventional illuminated latching switches typically require 6 or even 8 pins (3 for the switch, 2 for the LED, plus common). The MPB16L innovatively integrates the LED and switch into a 4‑pin architecture. This design delivers three key benefits: simpler PCB routing (fewer vias and layers), higher assembly efficiency (half the solder joints, half the potential failure points), and easier maintenance (standardized 4‑pin connectors enable plug‑and‑play replacement).
4. LED Status Indication – Perfect Fusion of Aesthetics and Function:
Completely abandoning the physical "button recess" status indication of traditional latching switches, the MPB16L uses LED color change for latching status feedback: in the unlocked state, the LED shows one color (e.g., steady blue); in the locked state, it switches to another color (e.g., steady red), while the button returns to a flush appearance. This innovation maintains a flat, unified visual language on equipment panels, making it particularly suitable for medical devices, consumer electronics, and high‑end industrial products with stringent aesthetic consistency requirements.
5. Drop‑in Replacement – Significantly Shortened Development Cycles:
Maintaining identical operating feel and mounting dimensions as the MPB16 series, the MPB16L can be directly dropped in without any redesign of panel cutouts, mounting structures, or operating logic. For product line upgrades based on existing MPB16 solutions, adding a latching function becomes as simple as replacing a screw, significantly saving engineering effort and time‑to‑market.
Applications
Industrial Control Products:
PLC control cabinet mode‑locking switches, frequency converter parameter protection keys, and HMI panel function locks – IP67 protection adapts to oily and coolant‑laden environments.
Medical Equipment:
Portable monitor power lock, mobile ultrasound device freeze key, and rehabilitation equipment therapy mode hold – the flush appearance aligns with medical aesthetics, while the LED color indication allows nurses to easily identify status from a distance.
Communication Equipment:
Base station RRU maintenance lock, fiber optic distribution frame channel hold, and network switch configuration protection – the 4‑pin design simplifies wiring on high‑density communication boards.
Energy Storage Equipment:
Battery Management System (BMS) maintenance switch, energy storage inverter grid‑connection lock, and charging pile emergency stop hold – the short‑body design fits the compact internal spaces of energy storage modules.
Consumer Electronics:
Professional audio equipment mute lock, photography gear shutter lock, and smart home gateway configuration hold – the anodized aluminum alloy finish enhances product quality.
Test Instruments:
Oscilloscope trigger lock, signal generator output hold, and data acquisition system sampling mode lock – 100,000‑cycle life ensures reliability for high‑frequency use in laboratories.
