Description
Product Description DS438-448 Miniature Panel-Mount Push Button Micro Switch Add dependable, crisp control to your equipment with the DS438-448 Miniature Push Button Micro Switch. This specialized components marries the ultra-compact footprint of a snap-action micro switch with the convenience of a panel-mounted, threaded 12mm pushbutton actuator. Operating with a momentary (self-resetting) action, the plunger springs back instantly when released. It features a bright, contrasting round plastic cap (available in Red or Green) housed on a durable metal threaded barrel with secure screw nuts, ensuring it stays firmly anchored under repetitive physical engagement. Key Features Hybrid Mechanical Form: Combines a tactile micro switch body with a classic 12mm panel-thru button actuator, simplifying chassis integration. Momentary Self-Reset: Actuator plunger snaps back immediately after being pressed, preventing continuous closed-circuit loops. SPDT Configuration: Equipped with 3 pin terminals (Common, Normally Open, Normally Closed) allowing flexible routing as either a push-to-make or push-to-break device. Vibration-Resistant Mounting: Includes a threaded metal neck, alignment washer, and hex locknut to ensure a secure, twist-free hold on sheet metal and plastic control faceplates. Technical Specifications & Family Variations Electrical Ratings AC Maximum Capacity: Rated for heavy duties up to 16A at 125V / 250V AC (I e =16A). DC Capability: Highly reliable for industrial logic voltages (24V DC) and automotive control loops up to 10A at 12V DC. Compatible Model & Actuator Variations The DS438/DS448 family shares an identical base body structural frame, but branches out into different options to meet specific design goals: DS438-448 (This Model): Features the standard high-clearance 6.3mm or 4.8mm quick-connect pin terminals protruding from the back. DS-438 Flat Top: Utilizes a shorter, lower-profile button cap to prevent accidental snagging or side-impact triggers on dense control benches. Color Codes: Available with a Red Cap (commonly wired to the Normally Closed terminal for “Stop/Reset” operations) or a Green Cap (commonly wired to the Normally Open terminal for “Start/Trigger” functions). Product & System Compatibility This micro-push button switch is highly standardized across electronic manufacturing fields and works seamlessly within the following applications: CNC & Plasma Control Systems: Widely utilized as a rugged manual reset button, tool-setting trigger, or auxiliary limit axis bypass switch on custom CNC mills and plasma cutters. Industrial Enclosures & Test Rigs: Drops directly into standard 12mm ( 2 1 -inch) cutouts alongside miniature toggle switches, small potentiometers, and circular LED indicators. Microcontrollers & Dev Boards: Fully compatible with Arduino, Raspberry Pi, and PLC digital inputs when coupled with standard pull-up or pull-down logic resistors. Wiring Systems: Equipped with standard flat terminal blades that accept direct wire soldering or standard 6.3mm or 4.8mm insulated female crimp spade terminal lugs for an immediate, solderless harness integration.
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