Square D QO Load Center – Model QO35FM30TTS
The Square D QO35FM30TTS is a QO series 1-phase load center designed for trailer and mobile power distribution applications. Featuring a 30A main circuit breaker, 3 spaces with 5 circuit capacity, and a NEMA 1 rated surface cover, it delivers reliable branch circuit protection in a compact enclosure with a baked enamel gray finish.
Key Specifications
- Series: QO
- Product Type: Load Center
- Phases: 1-Phase
- Spaces: 3
- Circuits: 5
- Main Breaker: 30A
- Enclosure Rating: NEMA 1
- Bus Material: Tin Plated Aluminum
- Finish: Baked Enamel Gray
- Color: Baked Enamel Gray
- Cover: Surface Cover
- Application: Trailer Use
- Includes: Ground Bar
- Manufacturer: Square D (Schneider Electric)
- Model: QO35FM30TTS
Features
- Designed specifically for trailer and mobile power distribution applications
- 30A main breaker provides overcurrent protection for the entire panel
- 3-space / 5-circuit capacity for multiple branch circuit connections
- Tin-plated aluminum bus for reliable conductivity and corrosion resistance
- Includes ground bar for equipment grounding conductor connections
- NEMA 1 enclosure rating for dry indoor applications
- Baked enamel gray surface cover for professional appearance
Applications
Used in trailers, mobile equipment, temporary power distribution, and other portable or mobile electrical installations requiring compact, single-phase load center protection with a main circuit breaker.


