Key Features and Advantages
✔ Medium voltage DC protection specifically engineered for 500VDC systems
✔ Enhanced 40kA maximum discharge current handling capability
✔ Threepole configuration ensures complete circuit protection
✔ 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
The device is designed for deployment in multiple critical applications:
• Industrial automation and control systems
• Renewable energy generation facilities
• Power transmission infrastructure
• Transportation and railway systems
• Telecommunications equipment
• Medium voltage DC power networks
• Equipment protection in industrial plants
• Lightning protection systems for commercial installations
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.
| Max Discharge Current | 40kA (8/20μs waveform) |
| Nominal Discharge Current | 20kA (8/20μs waveform) |
| Rated Voltage | 500VDC |
| Protection Level | ≤ 4.0kV |
| Protection Type | T2 (Class II) |
| Number of Poles | 3P |
| Housing Material | Flame Retardant Plastic (UL94 V0) |
| Response Time | < 25 nanoseconds |
| Temperature Range | -45°C to +85°C |
| Protection Mode | L+/L-/PE configuration |
| Mounting | 35mm DIN rail compatible |
| Ingress Protection | IP20 rating |
| Standard Compliance | IEC 61643-11 |
Frequently Asked Questions
What is the significance of the 25ns response time?
The sub-25 nanosecond response time ensures that the surge protector can react almost instantaneously to voltage spikes, diverting harmful energy before it can damage sensitive electronic components in your DC system.
Is this device compatible with standard electrical panels?
Yes, the device is designed for standard 35mm DIN rail mounting, making it compatible with most industrial control panels and distribution boards.
How does the visual status indication work?
The device features a clear visual window. Under normal operation, it shows a green status. If the device has performed its function and reached its end of life or failed due to a severe surge, the indicator will typically change color, signaling the need for replacement.
Can this unit be used in extreme outdoor environments?
While the device has an impressive operating temperature range of -45°C to +85°C, it has an IP20 rating, meaning it should be installed within a protective enclosure if used in outdoor or damp environments.
What does the 3P configuration provide?
The 3-pole configuration (L+/L-/PE) ensures comprehensive protection across all lines of the DC circuit, including protection against surges between positive and negative lines, as well as protection to the ground.
Does this product meet international safety standards?
Absolutely. The device is fully compliant with IEC 61643-11 standards, ensuring it meets rigorous global safety and performance criteria for surge protective devices.
Srochn
