Metal switch without latching, ON/OFF symbol, silver, diameter 21mm, IP65
Backlit metal switch without latching (returns to original position when pressed, so-called momentary), for hole diameter 19mm with operating voltage 12-24V DC, 110-230V AC.
Metal pushbutton switch for panel mounting with a flat head and integrated LED indication in a ring. It is intended for applications where a mechanically resistant design, clear status signaling and standard mounting in a 19 mm hole are required. The design is in black with an ON/OFF pictogram, supplied without connecting wires.
Technical specifications
- Type: metal push button switch (panel)
- Model number: HY-NY-19
- Color: silver
- Arrest: no
- Mounting hole: 19 mm
- Thread: M19x1
- Contacts: 1NO1NC
- Max current: 4 A
- Max. voltage: 265 V
- Protection level: IP65
- Indication: LED ring (Ring LED) + pictogram
- LED color variants (depending on design): white, yellow, red, blue, green
- LED voltage (depending on version): 3–6 V, 12–24 V or 110–220 V
- Contact material: silver contacts
- Body material: metal housing, nickel-plated sheath (copper)
- Base: self-extinguishing design
- Working temperature: -25 °C to +80 °C
- Connection: terminals without wires
- Marking on the forehead: ON/OFF pictogram
Functions and features
- Flat head with illuminated ring for clear indication
- Metal design suitable for mechanically stressed installations
- Panel mounting with nut, standard size 19 mm
- 1NO1NC contact combination for flexible wiring
- IP65 protection for use in dusty environments and when sprayed with water
Ideal for
- Machine and equipment control panels
- Industrial cabinets and enclosures
- Power and function control with status indication requirement
- Automation, workshop fixtures and test benches
Package contents
- 1x panel button HY-NY-19 (without connecting wires)
Why choose this product?
- Standard 19 mm mounting and M19x1 thread for common panel applications
- Integrated LED indication in a ring, selectable voltage and LED color options depending on the design
- Durable metal housing and IP65 protection for more demanding operating conditions
- 1NO1NC contact combination for universal use in control circuits
Installation and operating instructions
- Before installation, verify the hole diameter is 19 mm and there is sufficient space for the switch body and terminals.
- Tighten the nut appropriately to avoid damaging the panel or thread.
- Before connecting, verify the required LED voltage and the correct assignment of the NO/NC terminals according to the marking on the switch body.
Safety notice
- There is a risk of electric shock when working with voltages of 220-250 VAC or higher than 60 VDC. Installation and service should only be performed with the power disconnected and by a qualified person.
- Observe the insulation distances, fuses and requirements of the relevant standards for the application.
Wiring diagram

BACKLIGHT ALWAYS ACTIVE, Contact - NC

BACKLIGHT STILL ACTIVE, Contact - NO

BACKLIGHT INACTIVE, ACTIVE AFTER PRESSING, Contact - NO

CONSTANT BACKLIGHT, INACTIVE AFTER PRESSING, Contact - NC
- Power consumption
- 0.2 W
- Housing material
- Stainless steel
- Waterproof grade
- IP65
- Mounting hole
- 19 mm
- Locking
- No
- Pictogram
- ON/OFF
- Max. current
- 4 A
EU Importer: AMPUL SYSTEM s.r.o., Čsl. armády 641/40, 78701 Šumperk, Czech Republic,
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