3931A

Rear Tine
Bosch

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