UL® Listed Products

Many STI products are tested and certified by Underwriters Laboratories®, providing independent assurance of safety and performance. From the Universal Stopper® call point protectors that help deter false alarms and reduce accidental or malicious activation, to Global ReSet manual call points designed for fast reset after use, the range supports reliable operation in busy environments. Stopper® Stations also provide durable, certified control options with push buttons and key switches for a wide range of applications.