Hilti SID 121-A - Technical Data

4. Technical data
Power tool SID 121‑A SIW 121‑A SID 144‑A SIW 144‑A
Rated voltage 12 V 12 V 14.4 V 14.4 V
Weight incl. battery
and chuck
1.8 kg 1.8 kg 1.6 kg 1.6 kg
Dimensions (L x W
xH)
162 mm x 73 mm x
235 mm
162 mm x 73 mm x
235 mm
162 mm x
83.5 mm x
235 mm
162 mm x
83.5 mm x
235 mm
Rated no-load
running speed,
pos. I
0 to 2,000 r.p.m. 0 to 2,000 r.p.m. 0 to 2,100 r.p.m. 0 to 2,100 r.p.m.
Rated no-load
running speed,
pos. II
0 to 2,600 r.p.m. 0 to 2,600 r.p.m. 0 to 2,700 r.p.m. 0 to 2,700 r.p.m.
Hammering speed 3,100 b.p.m. 3,100 b.p.m. 3,400 b.p.m. 3,400 b.p.m.
Torque settings Two settings Two settings Two settings Two settings
Chuck
¹/₄" hex. socket
with locking ring
¹/₂" square drive
with locking pin
¹/₄" hex. socket
with locking ring
¹/₂" square drive
with locking pin
Speed control
Electronic, by way
of the control
switch
Electronic, by way
of the control
switch
Electronic, by way
of the control
switch
Electronic, by way
of the control
switch
Forward / reverse Electronic switch
with interlock to
prevent switching
while running
Electronic switch
with interlock to
prevent switching
while running
Electronic switch
with interlock to
prevent switching
while running
Electronic switch
with interlock to
prevent switching
while running
Deep discharge
protection
No No Yes Yes
NOTE
The torque selector switch can be used to select one of two torque settings.
Power tool Position I Position II
SID 121‑A
98 Nm 130 Nm
SIW 121‑A
109 Nm 145 Nm
SID 144‑A
105 Nm 140 Nm
SIW 144‑
A
116 Nm 155 Nm
Noise and vibration information (measured in accordance with EN 60745):
Typical A‑weighted sound power level for the
SID 121‑A and SIW 121‑A
96 dB (A)
Typical A‑weighted sound power level for the
SID 144‑A and SIW 144‑A
104 dB (A)
Typical A‑weighted emission sound power level for
the SID 121‑A and SIW 121‑A
85 dB (A)
Typical A‑weighted emission sound power level for
the SID 144‑A and SIW 144‑A
93 dB (A)
Uncertainty for the given sound level
3 dB (A)
en
4