Alps Alpine EC11 11mm Metal-Shaft Encoders

Alps Alpine EC11 11mm Metal-Shaft Encoders are compact, high-reliability encoders with a variety of length, pulse, and detent options. The Alps Alpine EC11 Encoders offer 9PPR to 18PPR resolution, 5VDC operating supply voltage, and 10mA at 5VDC current rating. The series offers a standard operating life of 15,000 cycles and versions with 100,000 cycles. The encoders operate over a -40°C to +85°C temperature range.


  • Compact
  • Highly reliable
  • Incremental-type encoders
  • 2 channels
  • 9PPR to 18PPR resolution
  • 5VDC operating supply voltage
  • 18 to 36 detent or no detent options
  • 9 to 18 pulse or self-return options
  • Shaft types include D / flatted, flatted, round / plain, and slotted


  • Output signal
    • Two phase of A, B
    • Self-return switch (EC111 / EC11E0B)
  • 10mA at 5VDC current rating
  • Operating life
    • 15,000 cycles
    • 100,000 cycles (EC11K / EC11J)
  • -40°C to +85°C operating temperature range
Published: 2020-11-19 | Updated: 2022-03-11