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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 213

On Order: 0
Factory Stock:Factory Stock: 25
Factory Lead Time: 5-10 Days
Minimum Order: 1
Multiple Of: 1
Quantity Web Price
1 $15.93
4 $14.65
15 $13.54
25 $13.13
50+ $12.59


Attributes Table
Contact Current-Max 3A
Switch Operation On-On
Circuitry SPDT
Illumination Color Black
Actuator Style Pushbutton
Termination Style PCB
Features and Applications

The 1977740-2 is a Part of new ALCOSWITCH Blue Series Pushbutton based on an innovative snap-action mechanism that produces an extremely fast switching moment. This high level of dynamics not only reduces arcing and bounce but it also results in a high number of duty cycles.

The new series comprises versions with SPDT and DPDT configurations and can be ordered with push on / push off or momentary function.


  • Miniaturized snap acting pushbutton
  • Contacts with silver inlay (high power) or gold inlay (low current, SPDT)
  • SPDT and DPDT
  • 50,000 cycles for gold plating
  • 25,000 cycles for silver plating
  • Tactile and audible feedback
  • Wire lug or PC board terminals
  • Hardware included
  • Boot Seals available
  • Multiple actuator buttons available in both color and size
  • Product Type = Switch 
  • Configuration (Pole-Throw) = Single Pole - Double Throw
  • Series = Blue Series
  • Mount Angle = Vertical
  • Termination Type = Printed Circuit


  • Industrial equipment
  • Medical equipment
  • Instrumentation
  • Communication equipment
  • Control equipment