This virtually indestructible cover (solid for strobe units only) is molded of clear, thick, UV-stabilized polycarbonate material to help stop vandalism and accidental damage to surface mounted strobe units. The Stopper Dome is backed by a three year guarantee against breakage of the polycarbonate in normal use. The STI-1227 comes with an open backbox that will accommodate exposed conduit.

• UL Listed to U.S. and Canadian safety standards.
• Helps prevent accidental and intentional damage or vandalism.
• Easy access for service.
• UV-stabilized.
• For surface mounted units.
• Typical working properties of polycarbonate are -40° to 250°F (-40° to 121°C).
• Three year guarantee against breakage of polycarbonate in normal use.

Light Derating Factor

• 32% – ADT Security – ADTG1-V Series
• 37% – Amseco – SL24W – 153075
• 37% – Amseco Colored Lenses – SL24W-153075 A,B,G, or R
• 37% – Amseco Colored Lenses – SL24C – 3075110 A,B,G, or R
• 37% – Amseco Colored Lenses – CSL24W – A,B,G, or R
• 37% – Amseco Colored Lenses – CSL24C – A,B,G, or R
• 37% – Detection Systems – GES24 Series
• 37% – Detection Systems – GES24-15/75
• 34% – EST / Edwards – 2440S Series
• 34% – EST / Edwards – 202 Series
• 32% – EST / Edwards – G1-V Series
• 32% – EST / Edwards – G1-HV Series
• 32% – EST / Edwards – G1-HOV Series
• 32% – EST / Edwards – EG1-V Series
• 32% – EST / Edwards – EG1-HV Series
• 32% – EST / Edwards – EG1-HOV Series
• 33% – Faraday – 2700 Series
• 37% – Gentex – GES24 Series
• 37% – Gentex – GES24-15/75
• 37% – Harrington Signal – GES24 Series
• 37% – Harrington Signal – GES24-15/75
• 32% – Honeywell – XLSG1-V Series
• 32% – Honeywell – XLSG1-HV Series
• 32% – Honeywell – XLSG1-HOV Series
• 34% – Honeywell – XLS202 Series
• 37% – Honeywell – XLSG1-HOV Series
• 37% – Mircom – FS240
• 34% – Mircom – MS Series
• 32% – Mircom – MG1-V Series
• 32% – Mircom – MG1-HV Series
• 32% – Mircom – MG1-HOV Series
• 32% – Mirtone – MG1-V Series
• 37% – National Time & Signal – GES24 Series
• 37% – National Time & Signal – GES24-15/75
• 37% – Potter Electric – AS24-153075R
• 37% – Potter Electric – AS24-153075W
• 37% – Secutron – GES24 Series
• 37% – Secutron – GES24-15/75
• 34% – Siemens – 202 Series
• 32% – Siemens – G1-V Series
• 33% – Siemens – U-MCS Series
• 28% – System Sensor – P2, PC2, P4, PC4, SX, SC
• 36% – System Sensor – SS24110ADA
• 31% – Wheelock – RSS-24MCW
• 35% – Wheelock – RSS-24MCC
• 32% – Ziton Pty Ltd – ZG1-V Series