Lionel 1908080 | CW80 80-Watt Transformer (New & Improved) - AC Power Supply | O Scale

The Lionel CW80 is an 80-watt AC transformer designed to power O Scale and O27 gauge trains and accessories. This revised "New & Improved" version delivers smooth speed control via a throttle lever, plus dedicated buttons for bell, whistle/horn, and direction — everything you need to run LionChief, Legacy, and traditional transformer-controlled locomotives right out of the box.

Looking for more O Scale power and accessories? Browse our O Scale Trains & Track and O Scale Track & Accessories.

• 80-watt AC power supply with 0–18V variable programmable output for accessory operation
• Throttle lever provides smooth, precise speed and power control
• Dedicated bell, whistle/horn, and direction buttons for easy feature operation
• Compatible with LionChief, LionChief Plus, LionChief Plus 2.0, Legacy, traditional transformer locomotives, Plug-Expand-Play accessories, and traditional accessories
• Built-in circuit protection safeguards against derailments and short circuits
• Scale: O Scale / O27 Gauge

What locomotives can the CW80 power?
The CW80 is compatible with LionChief, LionChief Plus, LionChief Plus 2.0, Legacy, traditional transformer-controlled locomotives, and Plug-Expand-Play accessories.

Can I use this transformer to power layout accessories?
Yes — the CW80 features a 0-18V variable programmable AC output specifically for powering accessories like lights, switches, and operating accessories.

Does this include short circuit protection?
Yes, the CW80 has built-in circuit protection that automatically safeguards against derailments and short circuits, protecting both the transformer and your equipment.

What is different about the New & Improved version?
The revised CW80 (SKU 1908080) is Lionel's updated version of the classic CW-80 transformer with improved circuitry and reliability over the original design.