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16 | English
Rotary hammer
Impact rate
Rated speed
– Clockwise
– Anticlockwise
Tool holder
Spindle collar diameter
Max. drilling diameter:
– Concrete
– Masonry (with hollow core bit)
– Steel
– Wood
A)
Weight
Protection class
A) Weight without mains connection cable and without mains plug
The specifications apply to a rated voltage [U] of 230 V. These specifications may vary at different voltages and in country-specific models.
Values can vary depending on the product, scope of application and environmental conditions. To find out more, visit
www.bosch-professional.com/wac.
Noise/Vibration Information
Noise emission values determined according to EN 62841-2-6.
Typically, the A-weighted noise level of the power tool is:
Sound pressure level
Sound power level
Uncertainty K
Wear hearing protection!
Vibration total values a
(triax vector sum) and uncertainty K determined according to EN 62841-2-6:
h
Hammer drilling into concrete:
a
h
K
Chiselling:
a
h
K
The vibration level and noise emission value given in these
instructions have been measured in accordance with a
standardised measuring procedure and may be used to com-
pare power tools. They may also be used for a preliminary
estimation of vibration and noise emissions.
The stated vibration level and noise emission value repres-
ent the main applications of the power tool. However, if the
power tool is used for other applications, with different ac-
cessories or is poorly maintained, the vibration level and
noise emission value may differ. This may significantly in-
crease the vibration and noise emissions over the total work-
ing period.
To estimate vibration and noise emissions accurately, the
times when the tool is switched off or when it is running but
1 609 92A 9A6 | (06.12.2024)
GBH 3-28 DRE
–1
min
–1
min
–1
min
mm
mm
mm
mm
mm
kg
GBH 3-28 DRE
dB(A)
dB(A)
dB
2
m/s
2
m/s
2
m/s
2
m/s
not actually being used should also be taken into account.
This may significantly reduce vibration and noise emissions
over the total working period.
Implement additional safety measures to protect the oper-
ator from the effects of vibration, such as servicing the
power tool and accessories, keeping their hands warm, and
organising workflows correctly.
Assembly
Pull the plug out of the socket before carrying out any
u
work on the power tool.
GBH 3-28 DFR
GBH 3000
0–4000
0–4000
0–900
0–900
SDS plus
SDS plus
50
28
82
13
30
3.5
/ II
GBH 3-28 DFR
94
102
3
14.5
1.5
9.7
1.5
Bosch Power Tools
0–900
0–900
50
28
82
13
30
3.6
/ II
94
102
3
11.8
1.5
10.0
1.5
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