The Advance SC450 Walk-Behind Floor Scrubber is a compact, battery-powered commercial automatic scrubber designed for dependable day-to-day floor cleaning with straightforward controls and relatively low maintenance requirements. Nilfisk describes the SC450 as suitable for both smaller and larger cleaning jobs in hospitals, schools, manufacturing plants, warehouses, and other commercial facilities.
The Advance SC450 Walk-Behind Floor Scrubber features a 20-inch scrubbing path, 24V battery system, 10.5-gallon solution tank, 11.9-gallon recovery tank, and up to 140 minutes of runtime. Its pad-assist design helps pull the machine forward during operation, while a 68 dBA operating sound level makes it suitable for daytime cleaning and noise-sensitive environments.
Key Features:
- 20-inch / 50.8 cm scrubbing width
- Battery-powered walk-behind design
- 24V electrical system
- Up to 140 minutes runtime
- 10.5-gallon solution tank
- 11.9-gallon recovery tank
- 66 lbs. brush pressure
- 154 RPM brush speed
- 480 W brush motor
- 330 W vacuum motor
- Maximum speed of 3 mph
- Theoretical productivity up to 15,748 sq. ft./hr.
- Actual productivity rated at 7,308 sq. ft./hr.
- 68 dBA sound level
- 30-inch squeegee
- Pad-assist operation
- Easy-access recovery tank
- Tool-free squeegee blade removal/rotation
- Intuitive controls designed to reduce operator training
Advance SC450 Specifications:
| Machine Type | Battery Walk-Behind Automatic Scrubber |
| Scrubbing Width | 20" / 50.8 cm |
| Brush Size | (1) 20" / 50.8 cm |
| Brush Speed | 154 RPM |
| Brush Pressure | 66 lbs. / 29.94 kg |
| Brush Motor | 480 W |
| Vacuum Motor | 330 W |
| Airflow | 36 L/sec |
| Voltage | 24V |
| Maximum Speed | 3 mph / 4.83 km/h |
| Maximum Runtime | 140 minutes |
| Theoretical Productivity | 15,748 sq. ft./hr. |
| Actual Productivity | 7,308 sq. ft./hr. |
| Solution Tank | 10.5 gal. / 39.75 L |
| Recovery Tank | 11.9 gal. / 45.05 L |
| Squeegee Width | 30" / 76.2 cm |
| Sound Level | 68 dBA |
| Minimum Turn-Around Aisle | 46" / 116.8 cm |
| Dimensions (L × W × H) | 46.2" × 22" × 38.6" |
| Weight Without Batteries | 167 lbs. |
| Weight With Batteries | 285 lbs. |
| Protection Class | IPX4 |
Battery Options
Advance documentation lists two primary SC450 battery packages: two 12V 105 Ah wet batteries (model 56383128) or two 12V 98 Ah maintenance-free gel batteries (model 56383129).
Commercial Applications
The manufacturer's literature identifies the SC450 for commercial applications including healthcare facilities, schools and universities, churches, hotels, manufacturing facilities, warehouses/distribution centers, government buildings, transportation facilities, casinos, offices, and health clubs.
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