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Sealed Snap-acting Momentary Pushbutton Switches

47 Configurations

C&K’s E020 series are sealed snap-acting momentary pushbutton switches, built for use in instrumentation and the networking and telecommunications industries. The E020 features a long-life contact design and is process-sealed with a disposable, splash proof boot. The switches also come with an optional snap-fitting plunger.

  • Process sealed with disposable splashproof boot
  • Snap-fitting plunger available
  • Long life contact design
Series Specifications
Contact Rating: Gold contact material (EX25 Models): 0.4 VA max. @ 20 V AC or DC max. Gold over silver contact material (EX21 Models): 1 A @ 120 V AC or 28 V DC or 0.4 VA max. @ 20 V AC or DC max. See datasheet for additional ratings
Contact Resistance: Below 50 milliohms typ. initial @ 2-4 V DC, 100 mA, for both silver and gold plated contacts
Solderability: Per MIL-STD-202F method 208D, or EIA RS-186E method 9 (1 hour steam aging)
Electrical Life: 60,000 make-and-break cycles at full load
Dielectric Strength: 1,000 Vrms min. @ sea level
Insulation Resistance: 10⁹ ohms min.
Operating Temperature: –30ºC to 75ºC
Typical Applications
Telecommunications & networking equipment
Computers & peripherals
Instrumentation
Compare Selected (0)
Illumination
#E121MD1AV2GE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole, Right Angle, Vertical
  • Sealing : Unsealed
#E121MD1AV3GE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole, Right Angle, Vertical
  • Sealing : Unsealed
#E121S1D3AV3GE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole, Right Angle, Vertical
  • Sealing : Unsealed
#E121SD1A3GE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole, Right Angle
  • Sealing : Unsealed
#E121SD1A3LE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole, Right Angle
  • Sealing : Unsealed
#E121SD1A3RE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole, Right Angle
  • Sealing : Unsealed
#E121SD1AGE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole, Right Angle
  • Sealing : Unsealed
#E121SD1AV2GE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole, Right Angle, Vertical
  • Sealing : Unsealed
#E121SD1AV3GE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole, Right Angle, Vertical
  • Sealing : Unsealed
#E121SD1AV3LE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole, Right Angle, Vertical
  • Sealing : Unsealed
#E121SD1CGE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole
  • Sealing : Unsealed
#E121SD1V3GE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole
  • Sealing : Unsealed
#E121SD1V3LE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole
  • Sealing : Unsealed
#E121SD1V61GE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole
  • Sealing : Unsealed
#E121SD1V6GE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole
  • Sealing : Unsealed
#E121SD3V31GE
  • Current Rating : 1A (AC/DC)
  • Circuit : SPDT
  • Mounting Type : Thru-hole
  • Sealing : Unsealed
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