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Pushbutton Switch (Detachable) (Lighted/Non-Lighted) (Cylindrical 16-dia.)


Cylindrical (16 mm dia.), Square 2-way guard, LED (with built-in reduced-voltage lighting function), Pure yellow, IP66 oil-resistant type, Lamp:110 VAC/VDC White, Alternate, DPDT, Quick connect terminal / Solder terminal

Type Pushbutton Switch (Cylindrical 16-dia.)
Shape Cylindrical type (16 mm dia.)
Operating portion Square 2-way guard
Pure yellow
Lighted method Lighted (LED (with built-in reduced-voltage lighting function))
Terminal Quick connect terminal (#110/t=0.5) / Solder terminal

Item list of A16

  • Ratings
TypePushbutton Switch (Cylindrical 16-dia.)
ShapeCylindrical type (16 mm dia.)
Operating portionShape of operating portionSquare 2-way guard
Color of operating portionPure yellow
Operating functionAlternate
LoadGeneral load/Micro load
Minimum applicable load1 mA at 5 VDC
LampMethod of lamp unitLED (with built-in reduced-voltage lighting function)
Lamp colorWhite
Rated voltage110 VAC/VDC
Operating voltage100/110 VAC/VDC (90 to 121 VAC/VDC)
Contact ratingContact formDPDT
Ratings (AC)Resistive load: 5 A at 125 VAC/3 A at 250 VAC
Ratings (DC)Resistive load: 3 A at 30 VDC
Ratings explanationConditions: No vibration and no shock, Temperature 20±2 ℃, Operating frequency 20 operations/min
Terminal specificationsQuick connect terminal (#110/t=0.5) / Solder terminal
Permissible operating frequencyElectrical: Max. 20 operations / 1 minute (1 time by set and reset)
Mechanical: Max. 60 operations / 1 minute (1 time by set and reset)
Insulation resistance100 MΩ min. (at 500 VDC)
Dielectric strengthBetween each terminal of the same polarities: 1000 VAC 50/60 Hz 1 min
Between each terminal of the different polarities: 2000 VAC 50/60 Hz 1 min
Between each terminaland ground: 2000 VAC 50/60 Hz 1 min
Between lamp terminals: 1000 VAC 50/60 Hz 1 min (with LED not mounted)
Vibration resistanceMalfunction: 10 to 55 Hz, 1.5 mm double amplitude (malfunction: 1 ms max.)
Shock resistanceDestruction: 500 m/s2 max.
Malfunction: 150 m/s2 max. (malfunction time is 1 ms max.)
Ambient temperature rangeOperating: -10 to 55 ℃ (with no freezing or condensation)
Storage: -25 to 65 ℃ (with no freezing or condensation)
Ambient humidity rangeOperating: 35 to 85%
Degree of protectionIP66 oil-resistant type
Classification of protection against electric shockClass II
PTI (Tracking characteristic)175
Pollution degree3 (IEC60947-5-1)
WeightApprox. 10 g
Operating characteristics
Operating Force (OF)4.91 N max.
Release Force (RF)0.29 N min.
Pre-Travel (PT)2.5 mm max.
Total Travel (TT)Approx. 3 mm
Lock Travel Alternate (LTA)0.5 mm min.
  • Mounting hole dimensions

  • Applicable load diagram


Pushbutton Switch (Detachable) (Lighted/Non-Lighted) (Cylindrical 16-dia.)