html{display:none} SEL-3401 Digital Clock | Schweitzer Engineering Laboratories


Digital Clock

Provides a highly visible time display for use anywhere there are time-critical functions set by IRIG-B synchronization signals.

Create synchronized clock systems for building, campus, or industrial applications.

Typically Ships in 5 Days

Starting At

$410 USD

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Time Display for Control Rooms—Provide accurate event logging for control rooms.

Time Display for Factory Floors—Apply as a time display for industrial or manufacturing environments.

Flexible Mounting—Mount on a wall, on a panel, or in a 19" rack, depending on viewing needs.

Distribute IRIG-B Output—Send time signals to other SEL Digital Clocks or devices with the optional IRIG-B output. The wall- and panel-mount displays have one optional IRIG-B output, while the rack-mount displays have an option for four.

  • High-visibility, three-inch tall digits for wide-area viewing
  • Simple wall- or panel-mount options
  • Red, green, or amber display ordering option
  • IRIG-B input for high accuracy
  • Clocks connect together to create synchronized system.


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The Firmware IDs for older versions of the firmware can typically be found in Appendix A of the instruction manual.

Instruction Manuals