Safety Technology International LT-1

Latching/Timer Module

Condition: New
Brand: Safety Technology International
Status: Active
SKU: 10977
Manufacturer Part #: LT-1


Our 12-24 VAC/VDC digital timer is a reliable and highly accurate simple solution to many complex timing applications. A momentary contact closure begins the timing cycle (15, 30, 45 seconds or ∞) and latches a set of Form “C” dry contacts. The compact design makes it versatile for many applications.

For example, when used on an egress door, the supervised contacts can be set to either ‘Fail Safe’ or ‘Fail Secure’ mode. A built-in reset feature allows the circuit to reset after a single operation or a single door open and close (single passage) before timing expires. This prevents re-entry of any unauthorized personnel.

Additional information

Weight 1 lbs
Dimensions 1.30 × 1.75 × 0.65 in

Safety Technology International




Unit of Measurement

EA (Each)

Production Status



  • Latching and/or timing module.
  • Can be used as a latching module for momentary buttons.
  • Supervised relay drops out when power is removed.
  • Digital timing circuit 15, 30, 45 seconds or ∞.
  • Easy to set modes.
  • LT-1UL converts a momentary button to a button with timing options.
  • Made in U.S.A.


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STI Latching/Timer Module


STI - Data Sheet