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ZCD-285VAC-18V6A-X isolated zero-cross detector module angled front view

ZCD-285VAC-18V6A-X – 285 VAC Isolated Zero-Cross Detector with Pulse and Edge Ou

ZCD-285VAC-18V6A-X is an isolated AC zero-cross detector module family with PULSE and EDGE output variants. It operates over an 85 V – 285 V AC RMS input range and provides an adjustable 5 V – 18 V output signal amplitude. The module offers 6 A peak output current capability, high noise and short-interruption immunity, and isolated input/output structure for microcontroller interface, AC dimmer, and multiphase zero-cross detection applications.

  • Enhanced input features
    • AC input voltage: 85 – 285 VAC RMS
    • Frequency range: 45 – 65 Hz
    • Low power consumption: 1.5 W @ 220 VAC
    • High interruption and noise immunity: > 1 ms
  • Enhanced output features
    • Adjustable output amplitude: 5 – 18 V
    • Peak current capacity: 6 A
  • Isolated input and output structure
    • Isolation voltage: 3750 VAC RMS @ t = 1 min, R.H. ≤ 60%, 25 °C
    • Safety standards: UL, cUL, VDE, and CQC approved opto-isolator
  • Easy operation with 5 connection points
    • AC input: 2 pins
    • DC supply input and ZCD output: 3 pins

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