Relpol RSP-T1T2-DC 6.25/3P Surge Protection Device, 1000V DC, 50kA, 3-Pole

The Relpol RSP-T1T2-DC 6.25/3P is a robust Type 1+2 surge protection device specifically engineered for photovoltaic installations. Operating at a maximum voltage of 1000V DC, this 3-pole device is designed to safeguard sensitive solar power equipment from the damaging effects of atmospheric and switching surges. By effectively diverting excess energy to the ground, it ensures the operational integrity and extended service life of your solar energy system.

Advantages

This surge protection device offers a high level of reliability by combining Type 1 and Type 2 protection in a single unit, providing comprehensive defense against both direct and indirect lightning strikes. Its high discharge capacity of 50kA allows it to handle significant energy surges, making it a dependable choice for demanding solar environments. The 3-pole configuration is optimized for standard DC solar circuits, ensuring seamless integration and consistent performance under varying electrical conditions.

Suitable for

• Photovoltaic power systems
• Solar inverter protection
• DC distribution boards in solar installations
• Residential and commercial solar energy setups

When it may not be suitable

This device is specifically designed for DC photovoltaic systems and should not be used in AC power distribution networks. It is also not intended for applications where the operating voltage exceeds 1000V DC, as this could lead to device failure or safety hazards.

Key specifications

• Type: 1+2 surge protection device
• Maximum operating voltage: 1000V DC
• Number of poles: 3
• Discharge current: 50kA

How to use

The device should be installed by a qualified professional in accordance with local electrical regulations. It is typically mounted on a standard DIN rail within the DC distribution box of the photovoltaic system. Ensure that the input and output connections are securely fastened and that the grounding terminal is connected to a reliable earth point to facilitate the safe dissipation of surge currents.

What to consider before purchase

• Verify that your system voltage does not exceed 1000V DC.
• Ensure compatibility with your existing DC distribution board layout.
• Confirm that the installation environment meets the required safety standards for surge protection devices.

Usage recommendations

Regularly inspect the status indicator of the surge protection device to ensure it remains operational. If the indicator shows that the protection module has reached the end of its service life, replace the unit immediately to maintain the safety of your solar installation.