LY1-12.5/1(S) Pluggable Single-Pole SPD

Class I Class II Type 1 Type 2 Location of Use: Main Distribution Boards Mode of Protection: L-PE, N-PE Surge Ratings: Iimp  = up to 12.5 kA (10/350 μs) In  = up to 20 kA (8 /20 μs) IEC/EN/UL Category: Class I+II / Type 1+2 Protective Elements: High Energy MOV Housing: Pluggable Design Compliance: IEC 61643-11:2011 EN 61643-11:2012 UL 1449 4th Edition

Products Details

IEC Electrical 75 150 275 320 385 440
Nominal AC Voltage (50/60Hz) Uo/ Un 60V 120 V 230 V 230 V 230 V 400 V
Maximum Continuous Operating Voltage (AC) Uc 75V 150 V 275 V 320 V 385 V 440 V
Nominal Discharge Current (8/20 μs) In 20 kA 20 kA 20 kA 20 kA 10 kA 10 kA
Maximum Discharge Current (8/20 μs) Imax 50 kA 50 kA 50 kA 50 kA 50 kA 50 kA
Impulse Discharge Current (10/350 μs) Iimp 12.5 kA 12.5 kA 12.5 kA 12.5 kA 10 kA 10 kA
Specific Energy W/R 39 kJ/Ω 39 kJ/Ω 39 kJ/Ω 39 kJ/Ω 25 kJ/Ω 25 kJ/Ω
Charge Q 6.25 As 6.25 As 6.25 As 6.25 As 5 As 5 As
Voltage Protection Level Up 0.7 kV 1 kV 1.5 kV 1.6 kV 1.8 kV 2 kV
Response Time tA < 25 ns
Back-Up Fuse (max) 315 A / 250 A gG
Short-Circuit Current Rating (AC) lSCCR 25 kA / 50 kA
TOV Withstand 5s UT 114 V 180V 335V 335V 335V 580V
TOV 120min UT 114 V 230V 440V 440V 440V 765V
  mode Withstand Safe Fail Safe Fail Safe Fail Safe Fail Safe Fail
UL Electrical  
Maximum Continuous Operating Voltage (AC) MCOV 75 V 150 V 275 V 320 V 385 V 440 V
Voltage Protection Rating VPR 300 V 600 V 900 V 1200 V 1350 V 1500 V
Nominal Discharge Current (8/20 μs) In 20 kA 20 kA 20 kA 20 kA 20 kA 20 kA
Short-Circuit Current Rating (AC) SCCR            
    100 kA 200 kA 150 kA 150 kA 150 kA 200 kA
Mechanical & Environmental    
Operating Temperature Range Ta -40ºF to +158ºF [-40ºC to +70ºC]
Permissible Operating Humidity RH 5%...95%
Atmospheric pressure and altitude 80k Pa ... 106k Pa / -500 m.....2000 m
Terminal Screw Torque Mmax 39.9 Ibf ·in [4.5 Nm]
Conductor Cross Section (max) 2 AWG (Solid, Stranded) / 4 AWG (Flexible)
  35 mm2  (Solid, Stranded) / 25 mm2  (Flexible)
Mounting  
  35 mm DIN Rail, EN 60715
Degree of Protection IP 20 (built-in)
Housing Material Thermoplastic: Extinguishing Degree UL 94 V-0
Thermal Protection Yes
Operating State / Fault Indication Green ok / Red defect
Remote Contacts (RC) RC Switching Capacity RC Conductor Cross Section (max) Optional AC: 250V / 0.5 A; DC: 250V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A 16 AWG (Solid) / 1.5 mm2  (Solid)
LY1-B 12.5: Surge Protection, type 1+2 to EN 61643-11 with visual function display. For interface 0 to 2 (LPZ) in accordance with lightning protection zone concept to IEC 61312-1 . • Arresting capacity 12.5 kA (10/350 µs) per pole • Power consumption < 26 mW/pole • Protection level < 1.5 kV, allows device protection • Line follow current quenching 25 kA Ipeak • lncl. plug caps for labelling the connections • Encapsulated, non-extinguishing spark gap • Can be used in standard distributor housings

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