China 3P 500VDC T2 Surge Protective Device with 40kA Maximum Discharge Capacity Factories, Factory

This 3P 500VDC T2 Surge Protective Device is engineered to provide comprehensive protection for medium voltage DC systems against transient overvoltages and lightning strikes. The device features a durable plastic housing that ensures excellent electrical insulation and mechanical protection. With a maximum discharge capacity of 40kA and nominal discharge current of 20kA, this SPD delivers reliable performance for electrical equipment operating in 500VDC applications. The threepole configuration offers complete system protection, making it suitable for various industrial and commercial applications where robust surge protection is required.

Product Description

Key Features and Advantages

Medium voltage DC protection specifically designed for 500VDC systems
40kA maximum discharge current capacity provides robust surge protection
Threepole configuration ensures comprehensive system protection
Fast response time under 25 nanoseconds for effective voltage clamping
Integrated thermal protection with automatic disconnection mechanism
Clear visual status indicators for operational monitoring
Easy installation through DIN rail mounting system
Wide operating temperature range from -45°C to +85°C
Full compliance with IEC 61643-11 international standards
Durable plastic housing with flame-retardant properties

Application Scenarios

The device is suitable for deployment in various applications including:
Industrial power distribution systems
Renewable energy generation facilities
Electric vehicle charging infrastructure
Railway and transportation systems
Telecommunications equipment
Medium voltage DC power networks
Equipment protection in manufacturing plants
Lightning protection systems for commercial buildings
Data centers and server rooms

Technical Specifications

Maximum Discharge Current40kA (8/20μs)
Nominal Discharge Current20kA (8/20μs)
Rated Voltage500VDC
Protection LevelT2 / ≤4.0kV
Number of Poles3P
Housing MaterialPlastic (UL94 V0)
Response Time<25 nanoseconds
Operating Temperature-45°C to +85°C
Protection ModeL+/L-/PE
Mounting35mm DIN rail
Protection RatingIP20
ComplianceIEC 61643-11
This surge protective device offers reliable performance and comprehensive protection for medium voltage DC systems. Its threepole configuration provides complete system protection while the robust construction ensures equipment safety and system reliability across various industrial applications. The device meets international standards for surge protective devices and provides effective protection against electrical surges and transient overvoltages in demanding operational environments.

Detailed Product Gallery

Frequently Asked Questions

What is the maximum discharge capacity of this device?
The device has a maximum discharge current capacity (Imax) of 40kA (8/20μs), providing robust protection against high-energy surges.
Is this SPD compatible with 500VDC systems?
Yes, it is specifically designed for medium voltage DC protection in 500VDC systems, including renewable energy and industrial networks.
How does the visual status indicator work?
The device features clear visual indicators that allow for easy operational monitoring, showing at a glance whether the protection is active or needs replacement.
What type of mounting does it require?
This SPD is designed for easy installation using a standard 35mm DIN rail mounting system, making it compatible with most industrial electrical cabinets.
What is the response time for voltage clamping?
The device offers a fast response time of less than 25 nanoseconds, ensuring effective and immediate voltage clamping during transient events.
Does the housing provide fire protection?
Yes, the device is built with a durable plastic housing that has flame-retardant properties, meeting the UL94 V0 safety standard.

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