The DTK-VM2TM48 from Ditek is a Versa Module 2 - 48V Surge Module for VM2W4/VM2W8/VM2R24, 2 pair Terminal Block In/Out. DITEK’s Versa-Module 2 Series is a unique, modular solution for protecting various combinations of signaling, data and low voltage power circuits. With the option of 4, 8 and 24-channel enclosures, the VM2 Series offers a vast array of customizable solutions for every application.