YL1-D20 series OBO Type AC SPD Type 2 Surge Protection Device consisting of a base part and plug-in protection modules ,for use in AC or DC PV system.
●Varistor surge protective device (AC SPD)
●Visual indication and optional remote contact signaling(S).
●The Prewired complete unit consisting of a base part and plug-in protection modules.
●Installation at the boundary of zones LPZ1 and LPZ2.
●The Modular surge arrester for use in AC or DC PV system.
●DIN rail installation.
| Model | YL1-D20 2P | YL1-D20 3P | YL1-D20 4P |
| SPD according to EN 61643-11/IEC 61643-11 | Type 2 / Class Ⅱ | Type 2 / Class Ⅱ | Type 2 / Class Ⅱ |
| Nominal voltage (a.c.) (Un) | 230/275/385/420V (50/60Hz) | 230/275/385/420V (50/60Hz) | 230/275/385/420V (50/60Hz) |
| Max. continuous operating voltage (a.c.) (Uc) | 275/385/420V (50/60Hz) | 275/385/420V (50/60Hz) | 275/385/420V (50/60Hz) |
| Nominal discharge current (8/20µs) (In) | 10kA | 10kA | 10kA |
| Max. discharge current (8/20µs) (Imax) | 20kA | 20kA | 20kA |
| Voltage protection level (Up) | ≤1.5kV | ≤1.5kV | ≤1.5kV |
| Response time (ta) | ≤25ns | ≤25ns | ≤25ns |
| Max. Back-up fuse | ≤125A gL/gG | ≤125A gL/gG | ≤125A 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*68mm | 90mm*54mm*68mm | 90mm*72mm*68mm |
