Overview
The Morris 78208 is a multi-voltage industrial control and general purpose transformer manufactured by Morris Products. It accepts a 120 VAC input and provides three selectable secondary voltage outputs: 8V, 16V, or 24V, making it ideal for various low-voltage control and signaling applications. Engineered for reliable operation in commercial and industrial environments, this transformer delivers stable voltage regulation for door chimes, access control systems, bells, and other 16V or 24V DC-rated devices.
Key Features
- 120 VAC primary voltage with 8V, 16V, or 24V secondary options
- Output ratings: 20VA at 8V, 30VA at 16V, and 30VA at 24V
- Thermal protection for safe, reliable operation
- Class 2 energy-limiting transformer with self-limiting current—no fuse or breaker required in secondary circuit
- Quick-clamp mounting feature for rapid installation
- UL listed and CSA certified for quality assurance
Technical Specifications
- Primary Voltage: 120 VAC, 60 Hz
- Secondary Voltage Options: 8 VAC, 16 VAC, or 24 VAC (selectable)
- Output Power Ratings: 20VA @ 8V, 30VA @ 16V, 30VA @ 24V
- Transformer Type: Step-down, Class 2 energy-limiting
- Protection: Thermal overload protection
- Mounting: Quick-clamp, standard knockout mounting
- Certifications: UL listed, CSA certified
- Manufacturer: Morris Products Inc.
- Part Number: Morris 78208
Typical Applications
The Morris 78208 is widely used in residential, commercial, and light industrial applications including:
- Doorbell and door chime systems
- Access control and security system power supplies
- Alarm system transformers
- Low-voltage control circuits
- Building automation and HVAC control systems
- Any 16V or 24V DC control or signaling application rated within the transformer’s VA capacity
Compatibility & Replacements
Compatible With
- Standard 120 VAC, 60 Hz power supplies
- Door chime systems rated for 8V, 16V, or 24V operation
- Access control and security systems operating at 16V or 24V DC
- Building automation and low-voltage control devices
- Standard electrical junction boxes with knockout holes
Replaces / Drop-In Replacement For
The Morris 78208 may directly replace other Morris transformer models in similar applications, including the Morris 78202 (16V/15VA single-output) and Morris 78204 (multi-tap option). Verify compatibility with your specific device voltage and VA requirements before ordering.
Works With
- Standard 120 VAC building electrical systems
- Ring Video Doorbell and compatible smart doorbell systems (when properly wired to 16V or 24V secondary)
- Traditional hardwired door chime and bell systems
- UL/CSA-listed control circuit installations
- Low-voltage control networks and automation platforms rated for Class 2 transformers
