--- 4 ---
115/125
(4-1/2"/5")
900
430
1,430
10,000
86
95
1.75 (3.9 lbs.)
1.8 (4.0 lbs.)
305 (12")
90 (3-35/64")
HITACHI
G 12 SA2
G 13SB2
115/125
(4-1/2"/5")
950
690
1,430
10,000
84
210
1.9 (4.2 lbs.)
2.0 (4.4 lbs.)
285 (11-1/4")
70 (2-3/4")
Maker
Model name
Capacity:
Depressed-center wheel dia. (mm)
Power input *1
(W)
Power output *1
(W)
Max. power output *1
(W)
No-load speed
(/min)
No-load sound pressure level (dB/A)
Service life of carbon brushes *2
(hr)
Weight *3
(kg)
(Actual weight)
(kg)
Dimensions
L (mm)
H (mm)
6. COMPARISONS WITH SIMILAR PRODUCTS
6-1. Specification Comparisons
G 12SA
G 13SB
115/125
(4-1/2"/5")
750
520
1,150
10,000
80
110
2.1 (4.6 lbs.)
2.2 (4.9 lbs.)
288 (11-5/16")
70 (2-3/4")
125
(5")
900
540
1,190
11,000
88
150
1.75 (3.9 lbs.)
1.8 (4.0 lbs.)
298 (11-3/4")
70 (2-3/4")
*1 Depends on market
*2 Service life of carbon brushes in the
continuous rated load test
*3 Weight without cord, side handle, depressed-
center wheel, wheel nut, wheel washer and
wheel guard
6-2. Practical Test Data
Comparison of temperature rise of stator coil section:
The graph below shows the relationship between load and temperature rise of the stator coil. The temperature
rise of the Models G 12SA2 and G 13SB2 is the lowest among similar models. This means that the resistance to
overload usage of the Models G 12SA2 and G 13SB2 is superior to other models.
Fig. 4
Load
Stator coil temper
ature r
ise (K)
200
50
100
150
0
C
G 12SA2
G 13SB2
G 12SA
G 13SB
B
B
C
L
H
