The Legrand 412257 combined surge arrester is a highly advanced surge protector classified as both Type 1 and Type 2. It has been developed according to the IEC/EN 61643-11 standards and provides comprehensive protection for electrical systems against surges caused by lightning strikes, switching actions, or overhead line feed-ins. With a nominal voltage of 230/400 VAC and a lightning impulse current capacity of 8 kA per pole, this combined arrester is ideal for use in TT and TN-S systems. Installation is straightforward on a DIN rail, making setup easier. An integrated plug-in protection module allows for simple maintenance and interchangeability, while the status indicator clearly signals the operating condition of the device. The Legrand 412257 is therefore a reliable solution for surge protection in various applications.

• Combined surge arrester Type 1+2 for comprehensive protection
• Suitable for TT and TN-S systems
• Easy installation on DIN rail
• Integrated plug-in protection module for simple maintenance
• Status indicator for monitoring operating condition.