Low price for Zero Sequence Current Transformer - T1 Level Surge Backup Protector ZGLEDUN LDSCB-12.5/5/25/50 Series, SPD Surge Protective Device, T1 Level Lightning Protection – Elemro

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Low price for Zero Sequence Current Transformer - T1 Level Surge Backup Protector ZGLEDUN LDSCB-12.5/5/25/50 Series, SPD Surge Protective Device, T1 Level Lightning Protection – Elemro Detail:

Product Description:

The ZGLEDUN LDSCB series product is a SPD dedicated surge backup protector. It can effectively solve the fire hazard caused by the deterioration of the lightning protector and the power grid failure, and solve the failure of the lightning protector caused by the malfunction of the backup protection device caused by lightning. This backup surge protector ensures that the surge protector (SPD) does not catch fire, and the equipment lightning protection continues to be effective. At present, fuses or circuit breakers are widely used in coordination with SPD. When SPD fails or short-circuits, it will cause fire. Seies LDSCB is specially designed for SPD. It will not break under a large lightning strike. But it can be quickly broken when small power frequency current occurs after SPD failure.

Features:

◆SCB can achieve selective breaking of the passed power frequency current and lightning current, which can effectively protect the SPD surge protector due to deterioration that causes the SPD start voltage to drop below the power supply voltage, and the power frequency leakage current increases, causing serious fire accidents.

◆ When the SPD has lightning current passing through, the SGB connected in series at the front of the SPD can ensure that the lightning current will not trip, damage, and the lightning protection will continue to be effective;

◆The UP Value (voltage protection level value) of SCB is very low when passing thunder current;

◆Using parameter control trip mechanism, and installation with 35mm guide rail .

Main Technical Parameters
Model	LDSCB-A12.5	LDSCB-A15	LDSCB-A25	LDSCB-A50
Non-tripping Shock Wave le	12.5kA(10/350μs)	15kA(10/350μs)	25kA(10/350μs)	50kA(10/350μs)
Residual Pressure Up	< 1000V	< 1000V	< 1500V	< 1500V
Rated Operational Voltage Ue	120V/230V/400V AC
Residual Pressure Up 20kA(8/20μs)	< 300V
Current Trip Value lo (Instantaneous)	2A±5%(2~5A) Optional
Power Frequency Load Current Breaking Time (To)	< 0.1s
Power Frequency Current Delay Trip	500mA-3A Optional Current (is not standard and selected by the customer )
Power Frequency Current Delay Trip Time	1s~120s Optional Time (is not standard and selected by the customer)
Test Button	Verification of the tripping system (once a month)
Shell Protection Level	IP20
Crimping Screw	M6
Installation Location	Installed on front of SPD
Connecting Wire Section	4-16mm2
Protection Action Due to Ambient Temperature	Switch between -25℃ and +60℃
Storage Environment	Temperature -40℃~75℃ Relative humidity <95% (below 25℃)
Working Environment	Temperature -25℃-60℃ Relative humidity <95% (below 25℃)

Main Structure and Working Principle:

This SPD with one-port, anti-shock protection function, indoor fixed installation, and of voltage limited type.

SPD has a built-in disconnector. When the SPD fails due to overheating or breakdown, the disconnector can automatically disconnect it from the grid and give an indication signal at the same time. The visible indicator is white when the SPD is working normally, and is red when it fails to disengage.

IP+N, 2P+N, and 3P+N are respectively composed of SPD+NPE zero-ground protection modules of IP, 2P, and 3P, which are used in power supply systems such as TT and TN-S.

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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of Low price for Zero Sequence Current Transformer - T1 Level Surge Backup Protector ZGLEDUN LDSCB-12.5/5/25/50 Series, SPD Surge Protective Device, T1 Level Lightning Protection – Elemro , The product will supply to all over the world, such as: Iran, azerbaijan, Slovakia, We take measure at any price to attain essentially the most up-to-date gear and procedures. The packing of nominated brand is our a further distinguishing feature. The solutions to assure years of trouble-free service has attracted a great deal customers. The goods are obtainable in improved designs and richer variety, they're produced scientifically of purely raw supplies. It accessible in a variety of designs and specifications for the selection. The newest forms are much far better than the previous one and they're extremely popular with several clients.

1. Most of new products are guaranteed for 12 months from the date of delivery, some for 18 months;
2. All products sent for repair shall be guaranteed for 6 months after repair;
3. Paid repair service can be provided for products beyond the warranty period.

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