Wholesale 1500VDC T2 Surge Protective Device for Lightning Protection Applications Supplier, Factory

This surge protective device is engineered to provide reliable overvoltage protection for 1500VDC electrical systems. Designed with a 2pole configuration, it offers balanced protection for both positive and negative DC circuits against transient voltage surges and lightninginduced overvoltages. The device's maximum discharge capacity of 40kA ensures effective protection of electrical equipment from damage caused by surge events. Manufactured with plastic housing that meets international safety standards, this product combines electrical insulation properties with environmental durability.

Product Description

Technical Features

The unit features a standard discharge current rating of 20kA, demonstrating consistent performance under repeated surge conditions. Its T2 classification confirms compliance with international standards for surge protective devices, specifically designed to handle indirect lightning effects and switching surges in electrical distribution systems. The 1500VDC voltage rating makes it suitable for various high-voltage DC applications where reliable surge protection is required.

The incorporated thermal protection mechanism automatically disconnects the unit during overload situations or at end-of-life failure, ensuring continued system safety. A visual status indicator provides clear operational feedback through color-coded display, allowing for quick assessment of the device's condition. DIN rail mounting enables straightforward installation in standard electrical enclosures, while screw terminal connections provide secure wiring implementation.

Application Scenarios

PV Systems This protective device finds primary application in large-scale photovoltaic systems, where it protects solar inverters, combiner boxes, and monitoring equipment from lightning-induced surges.

Industrial Industrial applications include protection for high-voltage motor drives, control systems, and automation equipment in manufacturing environments.

Infrastructure The unit is also suitable for electric vehicle charging infrastructure, telecommunications power systems, and backup power installations where high-voltage DC power protection is required.

Others Additional application areas include railway electrification systems, mining equipment power supplies, and other industrial settings. The device provides effective protection for both indoor and sheltered outdoor applications when installed in appropriate enclosures.

Technical Specifications
Maximum discharge current40kA (8/20μs)
Standard discharge current20kA (8/20μs)
Type classificationT2
Rated voltage1500VDC
Pole configuration2P
Protection Level≤4.0kV
Housing materialPlastic
Response time<25 nanoseconds
Operating temperature range-45°C to +85°C
Mounting typeDIN rail (35mm)
Compliance standardsIEC 61643-11
Protection degreeIP20
Performance Characteristics: The device maintains consistent surge handling capability while demonstrating stable performance characteristics throughout its service life. The design emphasizes reliability and safety, incorporating features that ensure proper operation under specified environmental and electrical conditions.
Detailed Product Gallery
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1500VDC T2 Surge Protective Device (11)
1500VDC T2 Surge Protective Device (12)
Frequently Asked Questions
What is the primary function of the 1500VDC Surge Protective Device?
The device is designed to protect electrical systems, specifically high-voltage DC applications like photovoltaic solar arrays, from indirect lightning effects and switching surges.
How does the visual indicator work?
The visual status indicator uses color-coded displays to provide immediate feedback on the device's operational status, allowing users to quickly identify if the unit needs replacement.
What is the significance of the T2 classification?
The Type 2 (T2) classification means the device is compliant with international standards for protecting against surges in low-voltage distribution systems, typically installed in sub-distribution boards.
Is this device suitable for outdoor use?
The device has an IP20 rating and is designed for indoor use or sheltered outdoor environments when installed within an appropriate protective electrical enclosure.
What type of mounting is required for installation?
It is designed for standard 35mm DIN rail mounting, making it compatible with most standard electrical distribution boxes and industrial control panels.
What happens if the device is overloaded?
The unit features a built-in thermal protection mechanism that automatically disconnects the device during an overload or end-of-life failure to maintain overall system safety.

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