Feature of Type 1 + 2 /Class B+C Surge Protection Devices Compound type (MOV+GDT Technology)
Multistage Protection: own designed multiple stages of protection, Each stage is optimized for specific voltage levels and response times, providing a layered defense against different types and magnitudes of surges.
Low Let-through Voltage
High Surge Current Capacity
Thermal Protection
Modular Design
long long service life
Application of Type 1 + 2 /Class B+C Surge Protection Devices Compound type (MOV+GDT Technology)
Class B+C/Type 1+2 Surge Protective Device for AC Power System.
Power distribution box(cabinet)
AC cabinet
Switch power supply
Column head cabinet
Industries with complex electrical systems
Sensitive electronic equipment
Data centers
Telecommunication Networks
Automatic control centers
Intelligent buildings
Medical institutes
Solar inverters, wind turbines
Technical Parameters of Type 1 + 2 /Class B+C Surge Protection Devices Compound type (MOV+GDT Technology)
Model | MA50M40B | MA50M40B/2 | MA50M40B/4 |
Lighning proection zone(LPZ) | 1-2 |
Standards Compliance | IEC61643-11 |
Classification | Class B+C /Type 1+2 |
Nominal working voltage Un | 220/380V | 220V | 380VAC |
Max continuous operating voltage Uc | 385/440V |
Max discharge current Iimp | 50KA |
Nominal discharge current In | 50KA |
Total discharge current L/N-G Itotal 10/350μs | 50KA | 100KA | 200KA |
Total discharge current L/N-G Itotal 8/20μs | 100KA | 200KA | 400KA |
Voltage protection level Up | ≤1200V |
Response time tA | 25ns |
Protection mode | L/N-PE | L、N-PE | L1、L2、L3,N-PE |
Dimension | 91 (H)×36(W)×68(L)mm | 91(H)×72(W)×68(L)mm | 91 (H)×144(W)×68(L)mm |
Module qty | 2 | 4 | 8 |
Mounting | DIN-rail Mounting 35mm |
IP code | IP20 |
Working conditions | Temperature: -40 to 80℃, Relative humidity: ≤95% |
Wiring Diagram Of Type 1 + 2 /Class B+C Surge Protection Devices Compound type (MOV+GDT Technology)
Dimension Of Type 1 + 2 /Class B+C Surge Protection Devices Compound type (MOV+GDT Technology)