
G50 Series L-N: 50kA 10/350 μs

G100/xxxNPE: Max 100kA 10/350 μs
50kA Class I / Type 1 Surge Protection Device (SPD) Features
- Non-pluggable T1+2 SPD with Encapsulated Spark Gap (ESG) technology to guarantee reliability in rugged environment and high exposure location
 - High lightning current discharge capacity up to Iimp 50kA 10/350μs
 - Degradation indication & optional remote signal contact
 - Low voltage protection level
 - Comply with IEC/EN 61643-11, UL 1449 4th, IEEE C62.41, CSA C22.2
 
50kA Class I / Type 1 Surge Protection Device (SPD) Spec
| Model | G50/150-S | G50/175-S | G50/275-S | G50/320-S | G50/385-S | G50/420-S | |
| Compliance | EN/IEC 61643-11 | ||||||
| Category IEC/EN | Class I+II /T1+2 | ||||||
| Max. Continuous Operating Voltage (AC) | Uc | 150V | 175V | 275V | 320V | 385V | 420V | 
| Technology | ESG technology Thermal disconnector | ||||||
| Ports/Protection Mode | 1 / L-PE or L-N or N-PE | ||||||
| Lightning Impulse Current (10/350μs) | Iimp | 50kA | |||||
| Nominal Discharge Current (8/20μs) | In | 50kA | |||||
| Max. Discharge Current (8/20μs) | Imax | 150kA | |||||
| Voltage Protection Level | Up | ≤1.2kV | ≤1.2kV | ≤1.5kV | ≤1.6kV | ≤1.8kV | ≤2.0kV | 
| Temporary Overvoltage TOV  —Withstand Mode  |  Utov | 228V/120min | 228V/120min | 442V/120min | 442V/120min | 529V/120min | 585V/120min | 
| Residual Current | IPE | No | |||||
| Follow Current Interrupt Rating | Ifi | 25kA | |||||
| Short-Circuit Current Rating per IEC 61643-11 | Isc | 25kA | |||||
| Response Time | tA | ≤100ns | |||||
| Backup Fuse (only required if not already provided in mains) | 500A gL/gG | ||||||
| Environment | Temperature Range: – 40ºC ~ +85ºC; Humidity: ≤95%; Altitude: ≤2000m | ||||||
| Cross-Section of Connection Wire | Single-strand 35mm2; multi-strand 25mm2 | ||||||
| Mounting | 35mm DIN-rail in accordance with EN 50022/DIN46277-3 | ||||||
| Enclosure Material | thermoplastic; extinguishing degree UL94 V-0 | ||||||
| Degree of Protection | IP20 | ||||||
| Installation Width | 2 modules, DIN 43880 | ||||||
| Failure Indication /Status | RED- Failure | ||||||
| Remote Alarm Contact | Yes | ||||||
| Approvals, certification | CE | ||||||
| Additional Data for Remote Alarm Contacts | |||||||
| Remote Alarm Contact Type | Isolated Form C | ||||||
| Switching Capability Un/In | AC: 250V/0.5A; DC: 250V/0.1A; 125V/0.2A; 75V/0.5A | ||||||
| Max. Size of Connecting Wire | Max. 1.5mm2 (or # 16AWG) | ||||||
Multi-Pole Surge Protection Device Combination
| Part No. | Pole | Combination | Power System | Max. Operating Voltage  Uc  |  Lightning Impulse Current (10/350μs) Iimp | Voltage Protection Level Up | Diagram | 
| G50/150-S/2P | 2 | 2 x G50/150-S | Single phase 2W+G | 150Vac | 50kA | L/N-G: 1.2kV | 4 | 
| G50/175-S/2P | 2 | 2 x G50/175-S | Single phase 2W+G | 175Vac | 50kA | L/N-G: 1.2kV | 4 | 
| G50/275-S/2P | 2 | 2 x G50/275-S | Single phase 2W+G | 275Vac | 50kA | L/N-G: 1.5kV | 4 | 
| G50/320-S/2P | 2 | 2 x G50/320-S | Single phase 2W+G | 320Vac | 50kA | L/N-G: 1.6kV | 4 | 
| G50/385-S/2P | 2 | 2 x G50/385-S | Single phase 2W+G | 385Vac | 50kA | L/N-G: 1.8kV | 4 | 
| G50/420-S/2P | 2 | 2 x G50/420-S | Single phase 2W+G | 420Vac | 50kA | L/N-G: 2.0kV | 4 | 
| G50/150-S/PN50 | 2 | G50/150-S + G50/255NPE | Single phase 2W+G | 150Vac | 50kA | L-N: 1.2kV, N-PE: 1.5kV | 3 | 
| G50/175-S/PN50 | 2 | G50/175-S + G50/255NPE | Single phase 2W+G | 175Vac | 50kA | L-N: 1.2kV, N-PE: 1.5kV | 3 | 
| G50/275-S/PN50 | 2 | G50/275-S + G50/255NPE | Single phase 2W+G | 275Vac | 50kA | L-N: 1.5kV, N-PE: 1.5kV | 3 | 
| G50/320-S/PN50 | 2 | G50/320-S + G50/255NPE | Single phase 2W+G | 320Vac | 50kA | L-N: 1.6kV, N-PE: 1.5kV | 3 | 
| G50/385-S/PN50 | 2 | G50/385-S + G50/255NPE | Single phase 2W+G | 385Vac | 50kA | L-N: 1.8kV, N-PE: 1.5kV | 3 | 
| G50/420-S/PN50 | 2 | G50/420-S + G50/255NPE | Single phase 2W+G | 420Vac | 50kA | L-N: 2.0kV, N-PE: 1.5kV | 3 | 
| G50/150-S/3P | 3 | 3 x G50/150-S | Three phase 3W+G | 150Vac | 50kA | L-G: 1.2kV | 2 | 
| G50/175-S/3P | 3 | 3 x G50/175-S | Three phase 3W+G | 175Vac | 50kA | L-G: 1.2kV | 2 | 
| G50/275-S/3P | 3 | 3 x G50/275-S | Three phase 3W+G | 275Vac | 50kA | L-G: 1.5kV | 2 | 
| G50/320-S/3P | 3 | 3 x G50/320-S | Three phase 3W+G | 320Vac | 50kA | L-G: 1.6kV | 2 | 
| G50/385-S/3P | 3 | 3 x G50/385-S | Three phase 3W+G | 385Vac | 50kA | L-G: 1.8kV | 2 | 
| G50/420-S/3P | 3 | 3 x G50/420-S | Three phase 3W+G | 420Vac | 50kA | L-G: 2.0kV | 2 | 
| G50/150-S/3PN100 | 4 | 3 x G50/150-S + G100/255NPE | Three phase 4W+G | 150Vac | 50kA / 100kA(NPE) | L-N: 1.2kV, N-PE: 1.5kV | 1 | 
| G50/175-S/3PN100 | 4 | 3 x G50/175-S + G100/255NPE | Three phase 4W+G | 175Vac | 50kA / 100kA(NPE) | L-N: 1.2kV, N-PE: 1.5kV | 1 | 
| G50/275-S/3PN100 | 4 | 3 x G50/275-S + G100/255NPE | Three phase 4W+G | 275Vac | 50kA / 100kA(NPE) | L-N: 1.5kV, N-PE: 1.5kV | 1 | 
| G50/320-S/3PN100 | 4 | 3 x G50/320-S + G100/255NPE | Three phase 4W+G | 320Vac | 50kA / 100kA(NPE) | L-N: 1.6kV, N-PE: 1.5kV | 1 | 
| G50/385-S/3PN100 | 4 | 3 x G50/385-S + G100/255NPE | Three phase 4W+G | 385Vac | 50kA / 100kA(NPE) | L-N: 1.8kV, N-PE: 1.5kV | 1 | 
| G50/420-S/3PN100 | 4 | 3 x G50/420-S + G100/255NPE | Three phase 4W+G | 420Vac | 50kA / 100kA(NPE) | L-N: 2.0kV, N-PE: 1.5kV | 1 | 

N-PE Module Surge Protection Device (SPD) Features
- T1+2 SPD with Encapsulated Spark Gap (ESG) technology to guarantee reliability in rugged environment and high exposure location
 - High lightning current discharge capacity up to Iimp 100kA 10/350
 - Low voltage protection level
 - Comply with IEC/EN 61643-11, UL 1449 4th, IEEE C62.41, CSA C22.2
 
N-PE Module Surge Protection Device (SPD) Specifications
| Model | G100/255NPE | G50/255NPE | G25/255NPE | |
| Compliance | EN/IEC 61643-11 | |||
| Category IEC/EN | Class I+II /T1+2 | |||
| Max. Continuous Operating Voltage (AC) | Uc | 255V | ||
| Technology | ESG technology | |||
| Ports/Protection Mode | 1 / N-PE | |||
| Lightning Impulse Current (10/350μs) | Iimp | 100kA | 50kA | 25kA | 
| Nominal Discharge Current (8/20μs) | In | 100kA | 50kA | 25kA | 
| Max. Discharge Current (8/20μs) | Imax | 200kA | 150kA | 100kA | 
| Voltage Protection Level (1.2/50μs) | Up | ≤1.5kV | ||
| Temporary Overvoltage TOV  —Withstand Mode  |  Utov | 1200V/200ms | ||
| Residual Current | IPE | No | ||
| Follow Current Interrupt Rating | Ifi | 200A@255Vac | ||
| Response Time | tA | ≤100ns | ||
| Environment | Temperature Range: – 40ºC ~ +85ºC; Humidity: £95%; Altitude: £2000m | |||
| Cross-Section of Connection Wire | Single-strand 35mm2; multi-strand 25mm2 | |||
| Mounting | 35mm DIN-rail in accordance with EN 50022/DIN46277-3 | |||
| Enclosure Material | thermoplastic; extinguishing degree UL94 V-0 | |||
| Degree of Protection | IP20 | |||
| Installation Width | 2 modules, DIN 43880 | |||
| Approvals, certification | CE | |||
Prosurge Surge Protection Device Products Family
Click to explore our extensive surge protection devices and other lightning protection products.
DIN-rail SPD for AC Power Supply
Panel SPD for AC Power Supply
IEC Standard
UL Standard
Other Surge and Lightning Protection Products
Live chat with us by clicking the chat button on the bottom right corner
Fill the Contact Form and Get Reply in 2 Hours
For North American market, please contact
For other markets, please contact
+86 757 8632 7660