background-waves

Delay-on-Make

Delay on Make Relays
Littelfuse delivers vital products to address customer needs for protecting and safely controlling electrical power. Our single-function & control relays product portfolio includes 19 series of delay-on-make time-delay relays that start delay cycles when input voltages are applied. Each version boasts excellent repeat accuracy. Available features include microcontroller-based circuitry, solid-state components, encapsulation, and LED indicators.
  • 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 1200 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
  • Connect easily in series with contactors, relays, valves, and solenoids
  • Available with DPDT output circuitry, SPDT output circuitry, normally open (Form A) contacts, or normally closed (Form B) contacts
  • Available with digital or microcontroller-based circuitry
  • Available with customized delays
  • Compact designs and low weight

Delay-on-Make Parts

FiltersFilters

Delay-on-Make Applications

Highlights Section

  • Compressors
  • Heaters
  • Lighting
  • Pumps