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Delay-on-Break

Delay on Break Relays
Littelfuse delivers vital products to address customer needs for protecting and safely controlling electrical power. Our single-function & control relays product portfolio includes 12 series of delay-on-break time-delay relays that start delay cycles when input voltages are removed. Each version boasts excellent repeat accuracy. Available features include solid-state components, encapsulation, and LED indicators. Browse the Littelfuse delay-on-break relay selection to find the ideal product for your needs.
  • Ac input voltages from 24 V ac to 240 V ac
  • Dc input voltages from 12 V dc to 240 V dc
  • Fixed or selectable time delays from 100 ms to 600 s
  • Repeat accuracy of ±0.5 % or 20 ms, whichever is greater
  • Operate at temperatures ranging from –40 °C to +85 °C
  • Reset times ≤ 150 ms
  • Initiate times ≤ 20 ms
  • Time delays vs. temp. & voltage ≤ ±10 %
  • Ac line frequency/Dc ripple of 50/60 Hz with accuracy within 10 %
  • UL Listed or UL Recognized
  • Available with DPDT output circuitry, SPDT output circuitry, or normally open (Form A) contacts
  • Available with analog or microcontroller-based circuitry
  • Available with customized delays
  • Compact designs and low weight

Delay-on-Break Parts

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Delay-on-Break Applications

Highlights Section

  • Blower motors
  • Buzzers
  • Compressors
  • Heaters
  • Lighting
  • Pumps