18VAC 2220mA AC-AC Power Supply (3-Screw Terminals) | AC-1822SA

The AC-1822SA is a heavy-duty, wall-mounted AC-to-DC step-down linear transformer designed to provide reliable, high-current 18VAC power. Featuring a convenient 3-screw terminal output block, this supply eliminates the need for splicing cables, making it an ideal choice for professional security installers, commercial automation technicians, and DIY hardware developers.

Technical Specifications:

• Part Number: AC-1822SA
• Voltage Output: 18V AC (Alternating Current)
• Current Rating: 2220mA (2.22 Amps) Max
• Input Voltage: 120VAC, 60Hz
• Output Connection: 3-Screw Terminal Block (AC / AC / Ground)
• Form Factor: Secure wall-mount style transformer casing

Common Applications & Industry Uses:

This specific voltage and screw-terminal configuration is widely used as a direct replacement or primary power source for:

• Commercial Security & Access Control: Powers alarm control panels, door strikes, magnetic locks, and multi-camera CCTV hubs that require robust 18VAC current.
• Smart Home Automation & Irrigation: Ideal for high-end multi-zone smart sprinkler controllers and advanced intercom/doorbell monitoring stations.
• HVAC & Building Controls: Suitable for specific climate control panels, zone valves, and legacy low-voltage automation relays.
• Professional Audio Equipment: Used by technicians to power specific vintage mixing consoles, stage gear, and pre-amplifiers utilizing isolated AC power rails.