Safety Technology International STI-1221D


Strobe Damage Stopper with Open Back Box with Conduit Knockout, Clear

Availability: In Stock

Condition: New
Brand: Safety Technology International
Status: Active
SKU: 2050
Manufacturer Part #: STI-1221D


These virtually indestructible covers (slotted for horn or speaker units and solid for strobe-only alarms) are designed to stop vandalism and accidental damage. Molded of clear, thick, UV-stabilized polycarbonate material, they are backed by a three year guarantee against breakage in normal use. Slots in the STI-1210, 1215, 1217 and 1219 allow the horn to be heard. The STI-1221, 1225, 1227 and 1229 are for strobes only. Many tough, clear spacers are available for larger strobe/horn units, retrofits, surface-mount and weather resistant applications. For the STI-1210/1221 series, spacer a has a four inch deep enclosed back box, spacer B has an enclosed back box molded with an integral double-gang outlet box. Spacer C has an open back for retrofit applications. Spacer D accommodates deeper units and applications with exposed conduit electrical connections. Spacer E has an open back frame for flush-mount applications. an appliance mounting plate comes with the STI-1219/1229.

Additional information

Weight 1.2 lbs
Dimensions 8.50 × 6.50 × 4.00 in

Safety Technology International




Unit of Measurement

EA (Each)

Production Status



  • Protective polycarbonate cover for strobe units
  • Enclosed back box with conduit knockout
  • Easy access for service
  • UL/cUL Listed, MEA 49-00-E, ADA Compliant
  • See install for Light Derating Factor
  • 3 year guarantee


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