Sealed push-button switch SOMV16

IP40IP67SPDT

Overview
The SOMV16 series is a family of Ø16 mm miniature interface pushbuttons offering a crisp tactile feel, high electrical reliability and robust environmental protection. Features a NO/NC (Form Z) contact rated up to 10 A, IP67 front sealing and is designed for industrial interfaces, professional equipment and applications requiring durable operator feedback.

Functional advantages

• Compact Ø16 mm format
• NO/NC (Form Z) contact (SPDT option)
• Up to 10 A @ 250 Vac (resistive)
• IP67 front sealing (IP40 rear)
• Custom wiring and termination options available

Key features

• Panel cutout: Ø16 mm
• Function: momentary
• Contact: NO/NC (SP, Form Z)
• Max voltage: 250 Vac
• Max current (resistive): 10 A @ 70°C
• Initial contact resistance: 25 mΩ max
• Insulation resistance: 1000 MΩ min @ 500 Vdc
• Dielectric strength: 1000 Vac, 50 Hz, 60 s
• Electrical ratings: 50,000 cycles at 10 A @ 250 Vac; 100,000 cycles at 7 A @ 250 Vac
• Mechanical life: 500,000 cycles min
• Operating force: approx. 390 g max
• Total travel: 2.3 mm (pre-travel 1.3 mm)
• Materials: UL94-V0 thermoplastic housing; silver alloy contacts (gold-plated option)
• Operating temperature: –40°C to +85°C
• Ingress protection: IP67 front, IP40 rear

Options & customization
Available with domed actuators in multiple colors (red, green, blue, white, yellow, black); silver or gold-plated silver contacts; termination options include solder lugs or wire leads; optional silicone boot for enhanced front sealing (IP68 option described as available); custom wiring and configurations through U.DESIGN (MOQ may apply).

Main applications

• Industrial control interfaces
• Professional electronic equipment
• Compact operator panels
• Applications requiring reliable NO/NC switching
• Dusty or humid environments

Electrical data (table)
Technology: electromecanic
Number of functions: 1
Max. current: 10A @ 250Vac
Rated insulation voltage: 250 Vac
Initial contact resistance: 25 mΩ Max.
Insulation resistance: 1000 MΩ Min.
Dielectric strength: 1000 VAC
Electrical life: 50,000 cycles (rated condition)
Contact type: NO/NC
Available lighting types: N/A
LED colors available: N/A
LED power supplies: N/A

Mechanical characteristics (table)
Installation diameter: 16 mm
Action: momentary
Max actuation force: 3.8 N (approx. 390 g) max
Mechanical lifecycle: 500,000 cycles
Travel: 2.3 mm (pre-travel 1.3 mm)
Fastening / Mounting: front panel mounting with nut (screw) / from the front
Body material: PBT / robust thermoplastic (UL94-V0)
Button material: PBT (robust plastic)
Button form: domed actuator (available variants)
Termination / Connection: solder lugs or wire leads (options)

Notes
Electrical endurance specified for common rated loads: 50,000 cycles at 10 A @ 250 Vac; 100,000 cycles at 7 A @ 250 Vac. Customization for sealing, terminations and contacts (gold plating) is possible via U.DESIGN.