Bosch Power Tools 3931A-PB manual Functional Description and Specifications

BM 2610022228 04-12_BM 2610022228 04-12.qxp 4/12/12 10:51 AM Page 5

Functional Description and Specifications

Specifications:
Model number	3931A-PB & 3931A-PBH
Voltage	120V
Frequency	60 Hz
Rated Power of Vacuum Cleaner
No Power Tool Connected	11.1 Amps
Power Tool Connected	11.1 to 4.8 Amps
Maximum Power Tool Amp Draw	15 Amps (on 20-Amp Circuit)*
.....................................................................	10 Amps (on 15-Amp Circuit)*
.....................................................................	*Depending on Power Broker™ setting
Canister Volume (gross)	13.3 gal. (50 ltr.)
Canister Volume wet (net)	11.35 gal. (45 ltr.)
Canister Volume dry (net)	11.35 gal. (45 ltr.)
Paper Dust Bag Volume (net)	5.5 gal. (21 ltr.)
Air Flow*	130 CFM (61 ltr./sec.)
Static Water Lift*	100 in.
Vacuum Suction Pressure*	248 millibars
Number of Filter Cartridges	2
Total Filter Surface Area	8600 cm2
Sound Pressure Level	69 dB (A)**
Weight w/o Main Handle	39 lbs. (17.7 kg)
Weight w/ Main Handle	42.2 lbs. (19.2 kg)
Cord Length	25 feet
Hose Length	9.84’ (3 meter)

*Measured at the blower.

**The typical A-weighted sound pressure level of the product is 69 dB (A), which is determined at 1.60 m height and 1 m distance according to IEC 704-1.

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