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--- 7 ---
Note 1) The cord, socket and side handle are excluded.
M 14 --- M 24
M 16 --- M 22
610
62.2
5,400
19 (3/4")
1,800
2,000
HITACHI
WR 22SA
Maker
•
Model
Item
Capacity
303 x 236
(11-15/16" x 9-9/32")
Ordinary bolt
High-tension bolt
Max. tightening torque
Square drive dimension
/min
No-load rotation speed
Impact rate
Center height
/min
Main body weight
Note 1)
mm
mm
kg
Voltage
Tumbler switch with
forward/reverse
changeover
pushing button
Input
Rated current
Max. efficiency
Soft handle
m
Type of switch
Insulation method
Carbon brush
Cord length
6. COMPARISONS WITH SIMILAR PRODUCTS
6-1. Specification Comparisons
Overall length x height
Motor specifications
No-load rotation speed
Lock current
Motor characteristics
N
.
m
kgf
.
cm
in
.
lbs
mm
A
/min
V
W
A
%
230
19,000
17
850
3.9
57
43 (1-11/16")
4.8 (10.6 lbs.)
Single phase AC
commutator motor
Double insulation
Mounted outside
2.5 (8.2 ft)
Provided
M 14 --- M 24
M 16 --- M 22
588
60.0
5,210
19 (3/4")
1,600
1,800
HITACHI
WH 22
328 x 224
(12-29/32" x 8-13/16")
Tumbler switch with
forward/reverse
changeover
pushing button
230
18,000
19
850
3.9
55
43 (1-11/16")
5.0 (11.0 lbs.)
Single phase AC
commutator motor
Double insulation
Mounted outside
2.5 (8.2 ft)
Not provided
M 16 --- M 22
M 16 --- M 20
588
60.0
5,210
19 (3/4")
1,700
1,600
C
325 x 240
(12-25/32" x 9-7/16")
Tumbler switch with
forward/reverse
changeover
pushing button
230
17,500
620
2.8
45 (1-25/32")
5.0 (11.0 lbs.)
Single phase AC
commutator motor
Double insulation
Mounted outside
2.5 (8.2 ft)
Not provided
M 24
600
61.2
5,310
19 (3/4")
1,260
950
B
416 x 236
(16-3/8" x 9-9/32")
Variable-speed trigger
switch with forward/
reverse changeover
pushing button
(stepless)
230
23,000
800
3.9
46 (1-13/16")
5.7 (12.6 lbs.)
Single phase AC
commutator motor
Double insulation
Mounted inside
2.5 (8.2 ft)
Not provided
<Table 1>