Time Delay & Sensor Relays


Time delay and sensor relays offer an affordable way to control circuits by featuring several unique timing functions.

SE Relays time delay and sensor relays are designed to provide cost effective solutions for your industrial timing and sensing needs. Available in a wide array of forms, fits and functions; SE Relays timers offer the ultimate in flexibility and performance. Accurate adjustments, legible wiring diagrams and an interactive timer demo; make selection quick and easy.

Key Features:

  • Multifunction
  • Wide voltage range from 12 to 240 V
  • Single timing range or multi-range from 100 ms to 10 days
  • Conforms to international standards including UL, CSA, RoHS and CE

6 product families

821 Relay 820 Series
time delay relays that are multi-function, multi-voltage relays offering the end user the ultimate in flexibility. Optional single pole (821) or double pole (822) in a modular, finger-safe package
831 Relay 831 Series
voltage sensing relay featuring a single phase AC or DC voltage sensor capable of monitoring and reacting to over and under voltage conditions; all in a modular, finger-safe package
841 Relay 841 Series
current sensing relay which allows the user to monitor the current of one circuit (1 to 8 Amps) and switch another circuit in case of an over current or under current condition; all in a modular, finger-safe package
TDR782 Relay TDR782 Series
miniature time delay relay that is single-function, single-voltage and socket-compatible. Ideal for tight spaces
time delay relays that are programmable, multi-function, multi-voltage, and socket-compatible - offering the user the ultimate in design flexibility. The thumb wheel adjustment dials result in no mechanical deviation for supreme accuracy


  • Bottling
  • Car Washes
  • Complex and Special Machines
  • Control Equipment Panels
  • Educational Campuses
  • Food & Beverage
  • HVAC
  • Industrial Buildings
  • Manufacturing
  • Material Handling
  • Process Control