Selection Guide Click on the product name to view specification comparisons in the corresponding Selection Guide. For further information on these devices, or if you have any questions, please contact Technical Support or call us directly at 314-291-0030. Two Electrode Spark Gaps BX Series Spark GapsPMT/UMT(275) Power GapsPMT(301) Power GapsSB/SG Spark GapsSIG Spark GapsTG Two-Electrode Legacy Spark GapsUBD/UBT/UGT Uni-Imps Three Electrode Triggered Spark Gaps TA/TB/TG221-226 Triggered Spark GapsTG Three-Electrode Legacy Triggered Spark GapsTX Triggered Spark Gaps Contact Us