First Alert VISTAH3XFMR

The First Alert VISTAH3XFMR is a replacement transformer for the VISTA H3 alarm. The transformer plugs into an AC outlet and gets wired to the alarm panel via alarm wire. The VISTAH3XFMR has an output rating of at 14.3VDC at 2.65A. The H3 hybrid alarm system comes with and requires a transformer, and this is what you need if a replacement is required.

The VISTAH3XFMR is designed as an OEM replacement, which helps ensure compatibility with the VISTA H3 system. Using a properly rated transformer helps prevent issues such as system resets, communication failures, or unreliable operation that can occur when incorrect power supplies are used. This is especially important in security systems where consistent performance is required.

This transformer is commonly used in service and maintenance scenarios where restoring proper system power is necessary. It can also be used in retrofit or takeover installations where an existing system requires a verified power source to operate correctly.

The compact plug-in design allows for easy installation and replacement without the need for complex wiring changes. Once installed, the transformer provides steady power to support system functions such as sensor monitoring, alarm signaling, and communication services.

The First Alert VISTAH3XFMR is a dependable solution for maintaining or restoring power to a VISTA H3 system, helping ensure reliable operation and continued system performance.

Specifications

• Manufacturer: First Alert (Resideo)
• Model: VISTAH3XFMR
• Device Type: Plug-in transformer
• Output Voltage: 14.3V DC
• Output Current: 2.65A
• Input: 120V AC
• Connection: Wired connection to control panel
• Application: Power supply for VISTA H3 alarm system
• Compatibility: VISTA H3 control panel
• Installation: Plug-in transformer with low-voltage wiring
• Dimensions: Not specified by manufacturer
• Use Case: Replacement or service power supply