Premium-grade 16.5VAC 45VA transformer engineered for DSC security systems with industrial-grade copper windings for stable voltage output. Features flame-retardant UL94V-0 thermoplastic casing and precision-wound toroidal core to minimize electromagnetic interference. Supports continuous 24/7 operation with overload protection for alarm panels, access control systems, and surveillance setups. OEM-compatible design ensures plug-and-play installation with DSC PowerSeries and legacy security hardware. Ships in bulk quantities with wholesale pricing for security installers and commercial integrators.