DK-380AC50G lightning arresterProduct Introduction
1. Product Design Standards: This product is designed in accordance with the relevant international standards IEC, and its performance complies with GB 18802.1-2011 "Low Voltage Surge Protective Devices (SPD) Part 1: Low Voltage Distribution Systems"surge protectorPerformance Requirements and Test Methods "in accordance with national standards.
2. Product structure: This product adopts an independent modular design, with good sealing performance, suitable for 35mm electrical rail installation with snap fasteners, and suitable for rail type installation. The lightning protection module of each group of lines adopts temperature controlled circuit breaking technology, with built-in overcurrent protection circuit,Lightning protection moduleAutomatically trip when deteriorating, which can completely avoid fire hazards.Lightning protection moduleEquipped with a remote alarm interface for easy remote monitoring. The lightning protection mode is L-PE, N-PE protection mode.
3. Product features: This product has the characteristics of low residual voltage, fast response speed, large flow capacity, long product life, simple maintenance, and easy installation.
4Product scope of application: Generally installed in low-voltage main distribution cabinets/distribution boxes of buildings; Outdoor distribution cabinet/distribution box; The environment that requires lightning discharge records; Applicable power supply system types: TT, TN; It can protect various power supply incoming terminals installed in the three-phase distribution system at the boundary between building LPZ0 and LPZ1, and withstand impulse voltage category IV equipment.
DK-AC50GModel and parameters:
|
Power surge protectorTechnical Specifications |
DK-220AC50G |
DK-380AC50G |
|
SPD type |
One port |
One port |
|
lightning protectionprotection level |
A-level |
A-level |
|
Applicable types of power supply systems |
TT,TN,IT |
TT,TN,IT |
|
protected mode |
L-PE、N-PE(2P) |
L-PE、N-PE(4P) |
|
Rated voltage Uo |
230V AC |
220V AC |
|
Maximum continuous operating voltage Uc |
275V AC |
320V AC |
|
Action voltage U1mA |
620V DC |
620V DC |
|
Rated operating frequency |
50Hz(60Hz) |
50Hz(60Hz) |
|
leakage current |
≤30 |
≤30 |
|
Nominal discharge current In(8/20%u3BCs) |
50kA |
50kA |
|
Maximum discharge current Imax(8/20%u3BCs) |
100kA |
100kA |
|
Impulse current Iimp(10/350%u3BCs) |
25kA |
25kA |
|
Voltage protection level Up(10/350%u3BCs)(Iimp) |
≤2.0kV |
≤2.0kV |
|
Response time (L/N-PE) |
<100ns |
<100ns |
