This advanced 3P 500VDC T2 Surge Protective Device delivers reliable protection for medium voltage DC systems against transient overvoltages and lightning strikes. Engineered with precision, the device incorporates a durable plastic housing that provides excellent electrical insulation and mechanical stability. Featuring a maximum discharge capacity of 40kA and nominal discharge current of 20kA, this SPD ensures consistent performance for electrical equipment operating in 500VDC applications. The threepole design offers comprehensive system protection while maintaining operational reliability under various environmental conditions.
✔ Rapid response characteristics with sub-25 nanosecond reaction time
✔ Advanced thermal management system with automatic disconnection
✔ Clear visual status indication for immediate operational assessment
✔ Standard DIN rail mounting for installation convenience
✔ Extended operational range from -45°C to +85°C ambient temperatures
✔ Certified compliance with international IEC 61643-11 standards
Application Scenarios
The device is designed for deployment in multiple critical applications:
Industrial automationRenewable energy generationPower transmission infrastructureTransportation and railwayTelecommunications equipmentMedium voltage DC networksIndustrial plant protectionLightning protection systems
Technical Specifications
Maximum Discharge Current
40kA (8/20μs waveform)
Nominal Discharge Current
20kA (8/20μs waveform)
Rated Voltage
500VDC
Protection Level (Up)
≤4.0kV
Classification
T2 (Class II)
Number of Poles
3P
Housing Material
Flame Retardant Plastic (UL94 V0)
Response Time
<25 nanoseconds
Operating Temperature
-45°C to +85°C
Protection Mode
L+/L-/PE configuration
Mounting System
35mm DIN rail
Ingress Protection
IP20 rating
Compliance Standards
IEC 61643-11
This surge protective device provides dependable performance and complete protection for medium voltage DC systems. Its advanced technical features and robust construction ensure equipment safety and system reliability across various industrial applications. The device meets international standards for surge protective devices and delivers effective protection against electrical surges and transient overvoltages in demanding operational environments.
Frequently Asked Questions
What is the maximum surge capacity of this 500VDC SPD?
The device features an enhanced maximum discharge current (Imax) of 40kA using an 8/20μs waveform.
How fast does the device react to a voltage surge?
It has rapid response characteristics with a reaction time of less than 25 nanoseconds, ensuring immediate protection for sensitive equipment.
Is this surge protector suitable for outdoor industrial environments?
While the device has an IP20 rating (requiring a suitable enclosure), it supports a wide operating temperature range from -45°C to +85°C, making it durable for various climates.
What mounting system does the device use?
It is designed for standard 35mm DIN rail mounting, which allows for quick and easy installation in most industrial control panels.
How can I tell if the device has been tripped or needs replacement?
The unit includes a clear visual status indication window on the front panel for immediate operational assessment and maintenance checks.
What safety standards does this product comply with?
The device is fully compliant with international IEC 61643-11 standards for surge protective devices and uses UL94 V0 rated flame-retardant materials.
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