Protech by Hirsch presents the PH‑4A‑EX PIRAMID Universal Pole Mount, engineered specifically for EX‑series PIRAMID sensors requiring secure installation on poles from 4‑1/2" to 8‑1/2" in diameter. Built on the same rugged dual‑bracket architecture as the standard PH‑4A, the PH‑4A‑EX adds the reinforced stability needed for mounting explosion‑rated PIRAMID EX sensors in demanding environments. Its installation‑ready design, complete hardware kit, and adjustable bracket system ensure precise alignment, strong mechanical support, and long‑term durability. Compatible with most PIRAMID EX models, the PH‑4A‑EX provides installers with a dependable, field‑proven mounting solution optimized for hazardous‑location perimeter security applications.