ASCO S50A240V3HN Alternative CITEL M50-277Y-B Surge Protective SPD ASCO S50A240V3HN Alternate CITEL M50-277Y-B Surge Protector SPD ASCO S50A240V3HN Comparison CITEL M50-277Y-B Surge Protective Device (SPD) CITEL M50-277Y-B Surge Protector ASCO S50A240V3HN Surge Protector Intended Application System System Voltage240/120Vac Number of Phases3-Phase Conductors3 Wire + Ground ConfigurationHL DELTA PRODUCT COMPARISON TABLE This page collects publicly available data from ul.com and assembles a side by side reference table for a convenient product cross reference. Manufacturer ASCO UL File #E326289E321351 Model M50-277Y-B S50A240V3HN Product Image${ITEM_LINK#2179034}<-No Item, #2179034 UL.com Ratings UL CARD UL CARD UL APPROVALLISTEDLISTED UL MARK SPD Type11 Volt (V)277/480240/120 AC/DC DC PVACAC Phase3Y1S Amps (A)n/an/a Ambient Min (C)-35-35 Ambient Max (C)8085 Mode L-L L-N L-G N-GL-L L-N - - VPR (Vpk) L-L L-N L-G N-G2500 1200 1500 12001500 1200 - - MCOV L-L L-N L-G N-G560 320 320 280276 - 150 - In (kA)2020 SCCR (kA)150200 Additional Data Sheet Ratings Surge Current Rating (kA)5050 Protection CircuitHybrid TMOV+GSGMOV Leakage CurrentNoYes TOV OptimizedYesNo DiagnosticsLED Audible AlarmLED Environmental RatingNEMA 6 (submersible)NEMA 4X # of Wires44 Modes of ProtectionCommon Mode Differential Mode- Differential Mode Notes - UL data is publicly available with a free account at UL.com. The data has been reviewed by our engineering department. From time to time, the applicants UL file (including CITEL's) may become changed or updated at UL.com due to new testing or corrections to a report. At the time of this comparison you will find this information to be accurate to the UL web site. If you find any information requires an update, please bring to our attention and it will be updated immediately. 10108 USA Today Way Miramar, FL 33025 USAContact us to develop a surge mitigation solution for your application www.citel.usWhere to purchase Citel SPD's