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M16

M16 16mm Square Non-Illuminated Key Switch (3-Position Spring-Return)

Model M16-7221, M16-7226, M16-7227, M16-7231, M16-7236, M16-7237

M16-7221, M16-7226, M16-7227, M16-7231, M16-7236, M16-7237 by JINHONG for industrial control panels, OEM equipment and automation systems. Category: M16 16mm Key Switch.

  • Mounting diameter16 mm
  • Head shapeSquare
  • IlluminationNon-Illuminated
  • Operation3-Position Spring-Return
  • Min applicable load5V AC/DC, 1mA
M16 16mm Square Non-Illuminated Key Switch (3-Position Spring-Return)

Product Information

The M16-7221 is the square, non-illuminated, 3-position spring-return version of the M16 16 mm panel-mount key switch series, protection IP65 — for industrial control panels, machinery and OEM equipment.

M16-7221 16mm Square Non-Illuminated Key Switch

Key features

  • Mounting diameter: 16 mm
  • Protection degree: IP65
  • Initial contact resistance: ≤50 mΩ
  • Terminal style — 110 Terminal
  • Mechanical life: 250,000 operations
  • Models in this version — M16-7221, M16-7226, M16-7227, M16-7231, M16-7236, M16-7237

At a glance

Mounting diameter16 mm
Head shapeSquare
IlluminationNon-Illuminated
Operation3-Position Spring-Return
Min applicable load5V AC/DC, 1mA
Protection degreeIP65

Characteristics

Electrical ratings
Minimum applicable load5V AC/DC, 1mA
Initial contact resistance≤50 mΩ
Insulation resistance (500V DC)100 MΩ
Dielectric strength1500VAC 1min
Mechanical & endurance
Mechanical life250,000 operations
Terminal style110 Terminal
Operating humidity45 to 85% RH
Vibration resistance10 to 55Hz, amplitude 1.2mm

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
Insulation voltage (Ui)250 V
Mounting diameter16 mm
Protection degreeIP65
Thermal current (Ith)5 A
Series contact options1NO+1NC; 2NO+2NC; 3NO+3NC
Contact materialGold-plated silver alloy
Operating temperature-25°C to +60°C
Storage temperature-40°C to +70°C
Electrical life100,000 operations
Approvals / standardsUL, CE
Contact block familyF16
Contact block formZa series

Specifications

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

Head ShapeIlluminationOperationContact BlockModel
SquareNon-Illuminated3-Position Spring-ReturnStandard ContactM16-7221
SquareNon-Illuminated3-Position Spring-ReturnStandard ContactM16-7226
SquareNon-Illuminated3-Position Spring-ReturnStandard ContactM16-7227
SquareNon-Illuminated3-Position Spring-ReturnStandard ContactM16-7231
SquareNon-Illuminated3-Position Spring-ReturnStandard ContactM16-7236
SquareNon-Illuminated3-Position Spring-ReturnStandard ContactM16-7237

Factory direct from Wenzhou Jinhong, OEM/ODM welcome.

Dimensions

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

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

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