Product Overview
Licon 16-404 Form Z Double-Break Snap-Action Pushbutton Switch
Condition
New old stock. Unused inventory. Body markings stamped: 10 A, 125/250 VAC, UND. LAB. INC. LIST., 16-404, CSA mark, and date code 7818. Reverse marked: LICON BUTTERFLY SWITCH USA, US PAT 2,840,657 with terminals labeled NO 4, 1, NC 2, and NO 3.
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Product Overview
Licon 16-404 subminiature snap-action switch featuring the patented Butterfly double-break wiping contact mechanism (US Patent 2,840,657). Rated for 10 A at 125/250 VAC, this SPDT Form Z two-circuit switch provides simultaneous control of two independent circuits with high vibration resistance and dependable mechanical snap action.
Key Features
- Contact configuration: SPDT Form Z (double-break, two-circuit)
- Current and voltage rating: 10 A at 125/250 VAC
- Actuator style: Inline pin plunger pushbutton
- Terminal type: Solder lug terminals with through-holes (NO4, NC1, NC2, NO3)
- Housing mounting: Dual through-hole chassis mounting
- Safety certifications: UL listed, CSA certified
- Manufacturing origin: Made in USA
Applications
- Replacing worn limit switches on vintage machine tools, industrial presses, and assembly fixtures.
- Servicing commercial arcade machines, pinball flippers, and coin door mechanisms requiring heavy-duty snap actuation.
- Building custom benchtop test jigs and mechanical limit interlocks for shop automation.
- Fabricating discrete control buttons and tactile limit sensors for DIY robotics and maker projects.
Frequently Asked Questions
What is the contact arrangement of the Licon 16-404?
It utilizes an SPDT Form Z double-break wiping contact mechanism, allowing simultaneous switching of two isolated circuits across four dedicated solder terminals.
What are the terminal connections on the switch?
The switch base provides four flat solder lugs labeled on the casing as NO 4, 1, NC 2, and NO 3.
Why choose this individually documented switch over an unverified surplus lot?
Getting a clean, original US-made Licon Butterfly switch with verified stamped markings avoids the uncertainty of mixed pulls or mystery lots. Shipping is $8 flat rate, free once your order passes $28, and orders leave our Idaho warehouse the same or next business day.
Built with heavy wiping contacts and clean mechanical snap, this classic American switch delivers the positive tactile click that keeps vintage machinery running true.
