OEM/ODM China Switch Disconnectors - LGLEDUN Surge Protective Device, SPD Surge Protector T2 Level Lightning Protection with Fusiable Core 8/20μs – Elemro

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OEM/ODM China Switch Disconnectors - LGLEDUN Surge Protective Device, SPD Surge Protector T2 Level Lightning Protection with Fusiable Core 8/20μs – Elemro Detail:

Product Description:

ZGLEDUN LD-MD series surge protective device is suitable for IT, TT, TN-C, TN-S, TN-CS and other power supply systems of low-voltage AC power distribution systems, and is used for indirect lightning and direct lightning or other transient overvoltage surges protection. This SPD series is class III surge protector designed and manufactured according to IEC61643-1:1998-02 standard and Class D surge protector. SPD has common mode (MC) and differential mode (MD) protection modes. This SPD series complies with standards GB18802.1 and IEC61643-1.

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.

Main Technical Parameters
Model	LD-MD-20					LD-MD-10
Maximum Continuous Operating Voltage Uc (VAC)	750	420	385	320	275	750	420	385	320	275
Voltage Protection Level Up (KV) ≤	2.5	1.8	1.5	1.4	1.2	2.0	1.6	1.3	1.2	1.0
Maximum Discharge Current Imax(8/20μs) (KA)	20					10
Standard Discharge Current In (8/20μs)	10					5
Response Time (ns)	< 25ns
Protection Level	IP20
Failure Indicator	White Light: Normal Red Light: Failure
Usage	Lead-in linelevel 3 protection
Remote Signal Function	Optional
Environment Temperature ℃	-40ºC to 80ºC
Remark	Other maximum continuous working voltage Uc can be customized

Model	LD-MD-40
Maximum Continuous Operating Voltage Uc (VAC)	100	275	420	385		320	275	175	48
Voltage Protection Level Up (KV) ≤	3.5	3.0	2.0	1.8		1.6	1.5	1.3	0.6
Maximum Discharge Current Imax(8/20μs) (KA)	40
Standard Discharge Current In (8/20μs)	20
Response Time (ns)	< 25ns
Protection Level	IP20
Failure Indicator	White Light: Normal Red Light: Failure
Usage	Lead-in linelevel 3 protection
Remote Signal Function	Optional
Environment Temperature ℃	-40ºC to 80ºC
Remark	Other maximum continuous working voltage Uc can be customized

Model	LD-MD-60					LD-MD-80
Maximum Continuous Operating Voltage Uc (VAC)	1000	420	385	320	275	420	385	320	275
Voltage Protection Level Up (KV) ≤	4.0	2.2	2.0	1.8	1.6	2.5	2.2	2.0	1.8
Maximum Discharge Current Imax(8/20μs) (KA)	60					80
Standard Discharge Current In (8/20μs)	30					40
Response Time (ns)	< 25ns
Protection Level	IP20
Failure Indicator	White Light: Normal Red Light: Failure
Usage	Lead-in linelevel 3 protection
Remote Signal Function	Optional
Environment Temperature ℃	-40ºC to 80ºC
Remark	Other maximum continuous working voltage Uc can be customized
SPD Surge Protective Device T2 Level Lightning Protection with Fusiable Core 8/20 μs
Image	Model Number			Related Current			QTY/CTN		Size
	LD-MD-20KA 4P			10~20KA			36		18mm
	LD-MD-40KA 4P			20~40KA			36		18mm
	LD-MD-60KA 4P			30~60KA			36		18mm
	LD-MD-80KA 4P			60~80KA			36		18mm
	LD-MD-100KA 4P			80~100KA			24		27mm
	LD-MD-120KA 4P			80~120KA			24		27mm

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With our excellent management, strong technical capability and strict quality control system, we continue to provide our clients with reliable quality, reasonable prices and excellent services. We aim at becoming one of your most reliable partners and earning your satisfaction for OEM/ODM China Switch Disconnectors - LGLEDUN Surge Protective Device, SPD Surge Protector T2 Level Lightning Protection with Fusiable Core 8/20μs – Elemro , The product will supply to all over the world, such as: Swansea, The Swiss, United Arab Emirates, We aspire to meet the demands of our customers globally. Our range of merchandise and services is continuously expanding to meet customers' requirements. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!

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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