TA1203 Enclosure with Power Unit - A complete, ready-to-install access control enclosure designed for fast, reliable setup. It includes a powerful 250W power supply, battery backup, fire alarm interface (FAI) with relay board, and fits perfectly with the AXIS A1810-B Door Controller. Housed in a secure, tamper-protected steel case, it s UL-listed and ideal for large-scale, professional installations.