Product Description

product description:

OMRDON Class III Surge Protection Device (SPD) (also known as lightning protection device, lightning arrester, surge protector, overvoltage protector), suitable for AC 380V (50Hz/60Hz) and The following TN-S, TN-CS, TT, IT and other power supply systems are protected by lightning electromagnetic pulse (LEMP) caused by lightning strikes. They are used in the LPZ 2-3 zone or higher interface of the lightning strike zone. The design basis is in accordance with GB18802. 1. The IEC61643-1 technical standard is used for the third-level fine surge protection of the equipment.

working principle:

Surge protector (SPD) is an indispensable device for lightning protection of electronic equipment. Its function principle is that under normal conditions, the surge protector is in a very high resistance state to ensure the normal operation of the power system; when the system circuit When a surge over-voltage or over-current occurs on the SPD, the resistance of the SPD suddenly changes or continues to drop to a low impedance. The SPD is immediately turned on within nanoseconds, and the surge energy is discharged into the earth through the SPD; when the surge is over, The surge protector quickly returns to a high-impedance state, so as not to affect the normal power supply of the system.

Features:

1. Optional remote signal terminal alarm function, convenient for remote alarm monitoring. To

2. It can withstand up to 20KA (8/20μs) lightning current impact.

3. The response speed is fast, and the action response time is less than 25ns.

4. Flame-retardant shell design can be easily installed on 35mm electrical rails.

5. Built-in thermal tripping failure disengagement device, so that the lightning protector can be automatically disconnected when it fails due to overheating or breakdown. To

6. ​​The color of the visual alarm window indicates the working status of the protection, green (normal) and red (faulty). To

name	Class III surge protector
model	OMP-APM20	NPE
Test level (according to IEC61643-1)	II	I
Protection mode	L-PE, N-PE; L-N, N-PE	N-PE
Rated working voltage (Un)	220～380V
Maximum continuous working voltage (Uc)	420V 50Hz/60Hz	255V50Hz/60Hz
Voltage protection level (Up) at Isn	≤1.2kV	≤1.2kV
Nominal discharge current (In)	10kA(8/20μs)	15kA(8/20μs)
Maximum discharge current (Imax)	20kA(8/20μs)	-
Lightning impulse current (Iimp)	-	12KA(10/350μs)
Response time (Ta)	≤25ns	≤100ns
Selection of backup protection circuit breaker	D type 16A-25A,	-
Access wire section (L/N)	≥6mm²
Connecting ground wire section (PE)	≥6mm²
working environment	-40℃~+85℃
Relative humidity	≤95%
installation	35mm standard electrical rail
Shell material	Reinforced flame retardant PBT
Test basis	GB18802.1, IEC61643-1
Item No.	model	Remarks
800120	OMP-APM20/2	OMP-APM20/1+NPE
800121	OMP-APM20/1+NPE	Single-phase 220V use, 1+1 protection mode
800118	OMP-APM20/4	For three-phase 380V, 4P
800119	OMP-APM20/3+NPE	For three-phase 380V, 3+1 protection mode
800128	OMP-FM	(Optional) Remote signal alarm contact terminal for remote alarm monitoring function.

Product application and installation location:

OMRDON three-level series of surge protectors are suitable for the LPZ2-3 area or higher interface in the lightning strike area. They are generally used for fine overvoltage protection of electronic equipment to prevent terminal equipment from being interfered by overvoltage. It is level III (D) Overvoltage protector; usually installed in the household distribution box, computer center, information equipment, electronic equipment and control equipment in front of or in the nearest outlet box.

Payment Terms︰ TT/LC/DP