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ESB系列
ACTION:
This brake is a spring actuated type which makes brake action on the interruption of coil excitation. When exciting the coil, the field attracts armature beyond the sprig force, then it makes the gap between inner-disc and outer-disc and brake becomes free. When to interrupt the coil exciting, the field releases armature by spring force, and the brake is actuated. Autmatic braking is made when the power supply is shut off.

POINTS:
As ESB has multipul discs, larger braking torque cann be produced with its compacted body.

Major characteristics.
characteristics
model No：ESB-
80
100
115
135
165
190
220
250
320-2
440-2
rated torque Nm
3.0
7.5
17.5
35
75
150
300
600
1000
2800
rated voltage DCV
90
90
90
90
90
90
90
90
45
45
coil resistance
(20℃)		 Ω*
518
323
242
191
155
107
95
78

Special type for holding. Please refer us for details.

 

 
coil current
(20℃)		 DCA *
0.17
0.28
0.37
0.47
0.58
0.84
0.95
1.15
allowable braking energy rate W
30
47
69
100
194
220
407
511
allowable braking energy upto gap adjustment MJ
12
23
29
170
264
326
398
520
allowable total energy MJ
100
180
234
430
560
1040
2050
2670
 
max safety speed r/min
1800
mechanical life
1,000,000 times
weight kg
1.2
2.5
4
6
11
16
25
37
suitable power unit
HD-100M
AC200V→DC90V
(constant)

HD-110M3
AC200V→DC90V 		HD-120M
→DC45V
(momentary over excite)
 HD-130
AC200V→DC24V
(same as left)
atomospher temperature of brake
-20～+40℃

Major dimensions
Model No：ESB-
Dimension
B
D
G
I
L
F
H
P
SH7
STD
U
W
F7
80
32
80
0.3
26
49.5
64
22
70
12
1.5
4
100
32
100
0.3
28
61
75
30
88
18
2
5
115
45
115
0.3
36
65
90
35
100
22
3
7
135
54
135
0.5
43
75
110
40
120
28
3
7
165
72
165
0.5
60
95
140
45
150
32
3.5
10
190
80
190
0.5
67
105
160
55
170
32
3.5
10
220
90
220
0.7
72
120
180
60
195
35
3.5
10
250
98
250
0.7
80
138
205
70
222
40
3.5
10
320-2#
110
320
0.7
95
187
250
85
282
54
5
15
440-2#
130
440
0.7
132
230
360
113
390
75
6
20

Dimensions
Structure

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