AC surge protective device LY1-C40/3(S)+1PLUGGABLE MULTI-POLE SPD,
The 40kA 3P+N GDT AC surge protective device offers high-performance surge protection for three-phase + neutral AC power systems.
Built with GDT + MOV ZnO technology, it provides excellent coordination, quick response, and long lifespan.
Made with PVC/PA66/PBT housing, compliant with IEC 61643-11:2011 / EN 61643-11:2022, and certified by CE & TUV.
We are an experienced OEM/ODM surge protection manufacturer and factory, supporting wholesale, bulk buy, and in bulk orders worldwide.
Ideal for solar combiner boxes, industrial control cabinets, and power distribution boards, with 35mm DIN rail installation.
| ■ Technical Data | ||||||||
| IEC Electrical | 75 | 150 | 275 | 320 | 385 | 440 | ||
| Nominal AC Voltage (50/60Hz) | Uo/ Un | 60 V | 120 V | 230 V | 230 V | 230 V | 400V | |
| Maximum Continuous Operating Voltage (AC) | (L-N) | Uc | 75V | 150 V | 275 V | 320 V | 385V | 440V |
| (N-PE) | Uc | 255 V | ||||||
| Nominal Discharge Current (8/20 μs) | (L-N) / (N-PE) | In | 20kV / 20kA | |||||
| Maximum Discharge Current (8/20 μs) | (L-N) / (N-PE) | Imax | 40 kA / 40 kA | |||||
| Voltage Protection Level | (L-N) / (N-PE) | Up | 0.4kV/1.5kV | 1.0kV/1.5kV | 1.5kV/1.5kV | 1.6kV/1.5kV | 1.8kV/1.5kV | 2.0kV/1.5kV |
| (N-PE) | Ifi | 100 ARMS | ||||||
| Response Time | (L-N) / (N-PE) | tA | < 25 ns / < 100 ns | |||||
| Back-Up Fuse (max) | 315 A / 250 A gG | |||||||
| Short-Circuit Current Rating (AC) | (L-N) | ISCCR | 25 kA / 50 kA | |||||
| TOV Withstand 5s | (L-N) | UT | 90 V | 180 V | 335 V | 335 V | 335 V | 580V |
| TOV 120min | (L-N) | UT | 115 V | 230 V | 440 V | 440 V | 440 V | 765V |
| mode | Withstand | Withstand | Safe Fail | Safe Fail | Safe Fail | Safe Fail | ||
| TOV Withstand 200ms | (N-PE) | UT | 1200 V | |||||
| 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) |
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| 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;125V / 0.2 A;75V / 0.5 A 16 AWG (Solid) / 1.5 mm²(Solid) |
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