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K16

K16 16mm Rectangular Non-Illuminated Key Switch (3-Position Spring-Return Both Sides)

Model K16-7321

K16-7321 by JINHONG for industrial control panels, OEM equipment and automation systems. Category: K16 16mm Key Switch.

  • Mounting diameter16 mm
  • Head shapeRectangular
  • IlluminationNon-Illuminated
  • Operation3-Position Spring-Return (Both Sides)
  • Insulation voltage (Ui)250 V
K16 16mm Rectangular Non-Illuminated Key Switch (3-Position Spring-Return Both Sides)

Product Information

The K16-7321 is the rectangular, non-illuminated, 3-position spring-return (both sides) version of the K16 16 mm panel-mount key switch series; Thermal current (Ith): 5 A; Insulation voltage (Ui): 250 V; Protection degree: IP40 — for industrial control panels, machinery and OEM equipment.

K16-7321 16mm Rectangular Non-Illuminated Key Switch

Key features

  • Mounting diameter: 16 mm
  • Protection degree: IP40
  • Initial contact resistance: ≤50 mΩ
  • Terminal style — 110-type solder / quick-connect terminal
  • Mechanical life: 250,000 operations
  • Models in this version — K16-7321

At a glance

Mounting diameter16 mm
Head shapeRectangular
IlluminationNon-Illuminated
Operation3-Position Spring-Return (Both Sides)
Insulation voltage (Ui)250 V
Thermal current (Ith)5 A
Min applicable load5V DC, 10mA
Protection degreeIP40

Characteristics

Electrical ratings
Series contact options1NO+1NC; 2NO+2NC
Insulation voltage (Ui)250 V
Thermal current (Ith)5 A
Min Applicable Load5V DC, 10mA
Initial contact resistance≤50 mΩ
Insulation resistance (500V DC)100 MΩ
Dielectric strengthSwitch Unit: 2,000V AC, 1 min. between live/non live part and terminals of different poles;
1,000V AC, 1 minute between terminals of the same pole;
1,500V AC, 1 minute between contact and lamp terminals.
Illumination Unit: 2,000V AC, 1 min. between live part/ground
Mechanical & endurance
Terminal style110-type solder / quick-connect terminal
Vibration Resistance10 to 55Hz, amplitude 1.5mm p-p
Weight>10g
Electrical life100,000 operations
Mechanical life250,000 operations
Soldering Temperature20W/5 seconds or 260°C/3 seconds
Operating humidity45 to 85% RH

Contact Rating

AC contact capacityResistive: 110V/1A; 250V/0.5A; Inductive: 110V/0.7A; 250V/0.5A
DC contact capacityResistive: 24V/1A ; 110V 0.2A; Inductive: 24V/0.7A; 110V/0.1A
Mounting diameter16 mm
Protection degreeIP40
Contact materialGold-plated silver alloy
Operating temperature-25°C to +60°C
Storage temperature-40°C to +70°C
Approvals / standardsCCC, UL, CE
Contact block familyK16
Contact block formC series

Specifications

Selection chart — Rectangular non-illuminated key switch, 16 mm panel cut-out. Contact arrangement, lens colour and lamp voltage are specified when ordering.

Head ShapeIlluminationOperationContact BlockModel
RectangularNon-Illuminated3-Position Spring-Return (Both Sides)Standard ContactK16-7321

Factory direct from Wenzhou Jinhong, OEM/ODM welcome.

Dimensions

Dimensions (mm) — Rectangular key switch, 16 mm panel cut-out.

Front viewFront view🔍 Click to enlargeSide viewSide view🔍 Click to enlarge

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