Overview
The Lutron S-603P-IV is a Skylark-series preset dimmer designed for 3-way incandescent and halogen applications. This designer-style dimmer combines a rocker on/off switch with intuitive slide control for setting and adjusting lighting levels. Rated at 600 watts on 120 VAC, the S-603P-IV delivers reliable performance for residential lighting control with preset dimming capability that stores your preferred light levels.
Key Features
- Preset dimming: Automatically returns to preset light level when powered on
- Slide control with rocker on/off: Easy up/down adjustment with separate rocker for full on/off operation
- 3-way capability: Wired as either single-pole or 3-way configuration
- Incandescent/halogen compatible: Rated for 600W incandescent or 300W halogen loads
- Designer styling: Fits standard large wall plate openings for seamless integration
- Ivory finish: Neutral color blends with most décor schemes
Technical Specifications
- Input Voltage: 120 VAC, 60 Hz
- Load Rating: 600W incandescent; 300W halogen (120V)
- Configuration: Single-pole or 3-way
- Control Type: Preset slide dimmer with rocker on/off switch
- Finish: Ivory
- Dimming Range: Full range with preset memory
- Operating Temperature: 32°F to 120°F (0°C to 49°C)
- Certifications: UL listed; CSA certified
- Series: Skylark
Typical Applications
The Lutron S-603P-IV is commonly used in:
- Residential bedrooms, living rooms, and dining areas requiring preset light levels
- Commercial spaces with incandescent accent or display lighting
- 3-way lighting circuits where multiple switches control a single load
- Retrofit installations replacing standard dimmers while maintaining 3-way functionality
- Designer interiors where slide dimmer aesthetics are preferred over rocker controls
Compatibility & Replacements
Compatible With
- 120 VAC, 60 Hz electrical systems
- Incandescent and halogen bulbs (standard A-lamps)
- 3-way switch loops and configurations
- Standard US wall plates (large opening)
- Residential and light commercial wiring systems
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering to ensure proper 3-way wiring configuration.
Works With
- Manual preset dimming (no external control required)
- Standard 3-way electrical wiring (traveler wire configuration)
- Designer wall plates and multi-gang configurations
- Residential hardwired lighting circuits



