Working principle of surge protector
Surge protector is also called lightning arrester. As an electronic device, it is often used in residential, tertiary industry and other fields to protect against transient overvoltage caused by lightning. The surge protector is a common facility in the lightning protection of electronic equipment. When the electrical circuit is disturbed by the outside world and encounters a peak current (voltage), the protector can quickly turn on and shun the current in a short period of time, which can prevent the surge from causing certain damage to the equipment. damage. The surge energy is discharged into the ground; when the surge is over, the high-impedance state can be restored without affecting the power supply of the system.
CHXI SPD has reliable voltage protection level and safe characteristic of overload. ,strong discharge current capability. ,applied to lighting protection of AC low voltage distribution system.
CHXI surge protection device with high energy MOV chip, fast response speed, safe protection function. Products comply with GB18802.1-2011 (IEC61643-1 .2005), IEC61643-11 2011 standard.
| Nominal a.c voltage of the system Uo(M) | 220 (1N50Hz) 380~690 (3N50Hz) | 220 (1N50Hz) 380~690 (3N50Hz) | 220 (1N50Hz) 380~690 (3N50Hz) |
| Max. continuous operating voltage Uc (M) | (N-PE 255) 275/320385/420/550/690 | (N-PE 255)275/320385/420/550/690 | (N-PE 255) 275/320385/420/550/690 |
| Nominal discharge current In 8/20μs (kA) | 30 | 40 | 60 |
| Max. discharge current Imax 8/20 μ s (kA) | 60 | 80 | 100 |
| Voltage protection level Up (kV) | <1.2 /<1.5 /<1.8 /<2.0<2.5 / <2.5 /<3.0 | <1.8 /<1.5 /<1.8 /<2.0<2.5 / <2.5 /<3.0 | <2.0 /<1.8 /<2.0 /<2.5<3.0 / <3.0/<3.5 |
| Combination | 1+0 2+0 3+0 4+0 1+1 2+1 3+1 | ||
| Wiring capacity | 4~16mm² | ||
| Local indicator | Green indicates normal state and red indicates failure | ||
| Protection class IP | IP20 | ||
| Material | PA66 | ||
| The outer flame retardant grade | conform to 1 comply with UL94V-0 | ||
T2 type pressure limiting surge protector, modular structure design.Can be combined many pieces, to realize all kinds of protected mode.Built-in overheated, over-current protection device.Local fault indicator, facilitate the timely replacement.
Alarm contact, realize remote remote communication function.Modular structure design, easy to maintain.
Standard 35 mm guideway design, convenient installation.