3931A


Features
- 4 modes of operation for maximum vacuuming versatility: Regular vacuum, Power Tool Activation, Pulse-Clean™, Pulse-Clean™ with Power Tool Activation
- Activation by power tool Allows power tool's switch to turn vac on and off. 7-second run-on after power tool is turned off to clear hose of remaining debris.
- Power Broker™ Dial For allocating power (15 amps on a 15 amp circuit, 20 amps on a 20 amp circuit) between vacuum cleaner and connected power tool to optimize usage of the available power and avoid blown circuits. Also allows suction control for other purposes as well.
- Bosch exclusive Pulse-Clean™ electromagnetic filter cleaning system Shakes the dual filter cartridges to remove dust and maintain maximum suction power. Pulse-Clean can be activated manually, or automatically, when a connected power tool is switched off (a helpful remote control.)
- Elevated filter location Filters sit above maximum dust or water accumulation height to help maintain maximum airflow and suction power
- Fine dust filtration capabilities Captures 99.93% particles of 3.0 microns and larger in diameter
- Large rear wheels and front casters with rubber tires, plus push handle, for easy transportation.
- 6.5 Max HP / 11.1-Amp motor with soft-start and bypass cooling Powerful suction with features to protect motor and extend its life
- Carrying handle For easier lifting
- Rugged construction / polypropylene tank Durable and rust free
- Wet vacuuming capability with water level sensor and drain valve Automatically shuts down vacuum when water reaches a maximum height to protect motor
- Low center of gravity For excellent stability
- Cord wrap For convenient storage of cord
- Compact size Fits in crowded storage vans and tight storage areas
- Agency approved
Specifications
| Model Number | 3931A |
|---|---|
| Air Flow | 130 CFM (61 ltr./sec.) |
| Cord Length (ft.) | 26 |
| Canister Volume (gross) | 13.3 gal. (50 ltr.) |
| Canister Volume (net) | 11.35 gal. (45 ltr.) |
| Number of Filter Cartridges | 2 |
| Filter Cartridge Surface Area (ea.) | 4300 cm2 |
| Total Filter Surface Area | 8600 cm2 |
| Power Tool Amp Draw Range | 0.5 to 10 Amps on 15A circuit*; 0.5 to 15 Amps on 20A circuit* |
| Engineering Number | 0601989161 |
| Static Water Lift | 100 in. |
| Vacuum Cleaner Amp Rating - No Tool Connected |
11.1 Amps |
| Vacuum Cleaner Amp Rating - Power Tool Connected |
11.1 to 5 Amps* |
| Voltage | 120V |
| Hose Port Inside Diameter | 2-1/4″ |
| Vacuum Suction Pressure | 248 millibars |
| Weight (lbs.) | 45.7 with handle |
| Dust Bag Volume (net) | 5.5 gal. (21 ltr.) |
| Frequency | 50-60 Hz |
| Max. Motor HP | 6.5 |
| Sound Pressure Level | 69 db |
| Hose Length | 9.85ft. (3 meters) |
| Filtration Capability | 99.93% particles of 3.0 microns and larger, with optional VA019 HEPA filters - 99.997% of 0.3.microns and larger in diameter. |
| Country of Origin | Germany |
| Approval Agency | VDE, Germany |
*Note: Depending on Power Broker™ Setting
