Resideo 1321-1 AC Transformer – 120V to 16.5V 25VA UL Listed for Security Alarm Systems

Resideo AC Transformer 120V to 16.5V 25VA – Model 1321-1 The Resideo 1321-1 AC Transformer is a standard security alarm system transformer designed to provide consistent, reliable power to your alarm panel. Converting 120 VAC input into a stable 16.5 VAC output at 25VA, this transformer is an industry-standard choice for both new alarm installations and replacement applications. UL Listed Class 2 Plug-In Transformer – ensures safety, code compliance, and dependable performance for residential and commercial security systems. Key Features Model: 1321-1 (Resideo / Honeywell Home) Input: 120 VAC, 60Hz, 0.30A Output: 16.5 VAC, 25VA Type: Plug-in, Class 2 transformer Certification: UL Listed 3LJS E310452 Applications: Standard alarm panels, security system power supply Reliable replacement part for existing alarm systems Why Choose This Transformer? A dependable transformer is critical