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Deca 22 mm Maintained Push Button, Mushroom Head, 1NO/1NC, Black

Deca A20B-A4E11B 22 mm Push Button, Mushroom Head, Black
Deca A20B-A4E11B 22 mm Maintained Push Button, Mushroom Head, 1NO/1NC, Black

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Price: $10.35
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MFG P/N: A20B-A4E11B
MFG: Deca
Weight (lbs): 0.1

Quantity in Stock :(Out of Stock)

Out of Stock
Product Code: A20B-A4E11B


The Deca A20B-A4E11B maintained push button has a black mushroom head with a 1NO/1NC contact arrangement. Made for 22mm mounting holes. Contacts are silver, with a maximum voltage of 600V and thermal current of 10A. Not illuminated. A detachable contact block makes installation or removal easier. It has a matte finish to minimize reflections, with a removable push button operator. A maintained push button switch differs from a momentary switch in that it stays in a constant state, whether activated or not, until it is pressed, which changes the state until it is pressed again. Rated IP 65. Complies with EN standard


  • Bezel- Plastic
  • Push Button Type- Maintained
  • Push Button Shape & Color- 40mm Dia. Mushroom Head, Black
  • Contact Arrangement- 1NO/1NC
  • Contact Material- Silver
  • Overall Dimensions- 66.3mm L x 45.8mm H x 40mm Diameter
  • Rated Insulation Voltage- 250VAC
  • Thermal Current- 10A
  • Max Voltage- 600V
  • Operating Voltage AC/DC- 24V, 120V, 240V, 380V
  • AC Resistive Load- 10A @ 24V, 10A @ 120V, 6A @ 240V, 2A @ 380V
  • AC Inductive Load- 10A @ 24V, 6A @ 120V, 3A @ 240V, 1.9A @ 380V
  • DC Resistive Load- 8A @ 24V, 2.2A @ 120V, 1.1A @ 240V
  • DC Inductive Load- 4A @ 24V, 1.1A @ 120V, 0.55A @ 240V
  • Min Applicable Load- 3V AC/DC x 3mA
  • Contact Resistance- Max. 50 mOhm
  • Insulation Resistance- 100 MOhm at 500VDC
  • Dielectric Strength- 2500 VAC for 1 min
  • Vibration Resistance- 5-55Mhz, amplitude: 0.5mm (Operation Extremes), 50Mhz, amplitude 1.5mm (Damage Extremes)
  • Shock Resistance- Operation Extremes: 100m/s2, Damage Extremes: 1000m/s2
  • Mechanical Durability- 250,000 (1 contact), 100,000 (2 contacts)
  • Electrical Life- 250,000 (1 contact), 100,000 (2 contacts)
  • Operating Temperature: -25 C to +55 C (-13 F to 131 F)
  • Storage Temperature: -45 C to +85 C (-49 F to 185 F)
  • Ambient Humidity- 45-85% RH
  • Degree of Protection- IP 65
  • Terminal Soldering- 20W 5sec / 260 C 3sec
  • Approvals- UL & CUL Listed, CE

Black Maintained 1NO/1NC Push Button Switch Deca A20B-A4E11B

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