Combined AC SPD Type 1 and Type 2 Lightning Current Arrester and Surge Arrester is using for the direct lightning protection in Power system, and can usage in Transformer low-voltage side.
●Varistor surge protective device (AC SPD)
●Combined SPD Type 1&2 with MOV and CDGG technology for use in different power system.
●Visual indication and optional remote contact signaling(S), capable of protecting Terminal equipment.
●Non-follow current.
●The Prewired complete unit consisting of a base part and replaceable plug-in protection modules.
●Installation at the boundaries from zone LPZ 0A to LPZ 2.
●Installation at the boundary of zones LPZ1 and LPZ2
●Use for the direct lightning protection in Power system, can usage in Transformer low-voltage side.
●DIN rail installation.
Model | YL2-C50-12.5M 2P | YL2-C50-12.5M 3P | YL2-C50-12.5M 4P |
SPD according to EN 61643-11/IEC 61643-11 | Type 1+2/ Class Ⅰ+Ⅱ | Type 1+2/ Class Ⅰ+Ⅱ | Type 1+2/ Class Ⅰ+Ⅱ |
Max. continuous operating voltage (a.c.) (Uc) | 385V (50/60Hz) | 385V (50/60Hz) | 385V (50/60Hz) |
Temporary overvoltage (TOV) | 385V/5s-withstand | 385V/5s-withstand | 385V/5s-withstand |
Lightning impulse current (10/350µs) (Iimp) | 12.5kA | 12.5kA | 12.5kA |
Nominal discharge current (8/20µs) (In) | 20kA | 20kA | 20kA |
Max. discharge current (8/20µs) (Imax) | 50kA | 50kA | 50kA |
Voltage protection level (Up) | ≤2.2kV | ≤2.2kV | ≤2.2kV |
Response time (ta) | ≤25ns | ≤25ns | ≤25ns |
Max. Back-up fuse | ≤160A gL/gG | ≤160A gL/gG | ≤160A gL/gG |
Short-circuit current rating (Isccr) | 25kArms | 25kArms | 25kArms |
Operating temperature range (Tu) | -40℃...+80℃ | -40℃...+80℃ | -40℃...+80℃ |
Operating state/fault indication | Green (good)/ Red (repalce) | Green (good)/ Red (repalce) | Green (good)/ Red (repalce) |
For mounting on | 35mm DIN rails acc. to EN 60715 | 35mm DIN rails acc. to EN 60715 | 35mm DIN rails acc. to EN 60715 |
Cross-sectional area(Min.) | 4mm2 | 4mm2 | 4mm2 |
Cross-sectional area(Max.) | 35mm2 | 35mm2 | 35mm2 |
Stripping Length/ Tightening torque | 10mm/ 3Nm | 10mm/ 3Nm | 10mm/ 3Nm |
Enclosure material | Thermoplastic, UL 94 V-0 | Thermoplastic, UL 94 V-0 | Thermoplastic, UL 94 V-0 |
Place of installation | Indoor installation | Indoor installation | Indoor installation |
Degree of protection | IP 20 | IP 20 | IP 20 |
Demension (L*H*W) | 90mm*36mm*82mm | 90mm*54mm*82mm | 90mm*72mm*82mm |