Potter & Brumfield SDAS-01-7Y2S1024

Product Name:​ AC Undercurrent Sensing Relay
Manufacturer:​ Potter & Brumfield (TE Connectivity)
Product Introduction:​ Non-contact AC current sensor relay using inductive coupling (zero insertion loss). Monitors a conductor passing through its sensing window and trips internal relay when current falls below setpoint.
Category:
Description
Technical Specifications:
  • Sense range: 1.5–15 A AC
  • Control voltage: 24 VAC 50/60 Hz or 24 VDC ±10 %
  • Power consumption: 1.7 W / 1.7 VA
  • Mode: Undercurrent (loss-of-current) sensing, adjustable setpoint
  • Setpoint drift: ±25 % over temperature
  • Internal relay: 2 Form C (DPDT)
  • Contact rating: 2 A @ 28 VDC resistive, 1 A @ 120 VAC resistive
  • Delay: typ. 350 ms, min 200 ms (undercurrent)
  • Pins: 10-pin socket mount
    Features:​ Zero insertion loss, no series cut-in, solid-state sense circuit, potentiometer threshold, plastic dust cover
    Operating Conditions:​ -25 °C to +70 °C; storage -40 °C to +85 °C
    Weight:​ ~90 g
    Certifications:​ CE, UL, RoHS (model discontinued by TE, still available via distributors)
    Applications:​ Motor underload detection, pump dry-run, belt break, conveyor loss-of-flow, load-drop alarm
    Installation Notes:​ Route monitored conductor through sensor aperture only; use correct 10-pin socket; do not exceed 15 A sense current; allow 350 ms settle after control power-on.
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