The PHOENIX CONTACT part 2905337 is a plug-in surge arrester designed for 2-phase power supply networks with combined PE and N installed in one conductor. This surge arrester is in accordance with Type 2/Class II standards, providing reliable protection for your electrical system against power surges. It is specifically designed for 3-conductor systems with L1, L2, and PEN conductors. In addition to its exceptional surge protection capabilities, this plug-in surge arrester features a remote indication contact. This allows for convenient monitoring of the surge arrester's status, ensuring that you stay informed about any potential issues. With its high-quality construction and advanced design, the PHOENIX CONTACT part 2905337 is a reliable and efficient solution for protecting your power supply network.