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NAB系列(NAB-32,NAB-34,NAB-42,NAB-44,NAB-52,NAB-54)
ACTION:

On exciting the coil. Armature is attracted to field byond the spring force and makes a gap between inner-disc and outer-disc. Then the brake is released. Armature is released by interruption of coil current and pushes inner-disk and outer-disc to end plate by the spring force, then the brake is actuated by friction. This brake is closed any time when the coil is not excited.
Major characteristics.
characteristics
model No:NAB-
NAB-32
NAB-34
NAB-42
NAB-44
NAB-52
NAB-54
Rated torque Nm
2
4
7.5
15
22
40
Rated voltage DC V
*200
*200
90
90
90
90
Coil resistance
(20℃)
Ω
346
346
383
383
237
237
Rated current
(20℃)
mA
195
195
240
240
380
380
Allowable braking energy rate W
41
82
98
123
123
123
Allowable braking energy upto gap adjustment MJ
29
29
57
57
40
40
Max. safety speed r/min
1800
Mechanical life
1,000,000
Weight kg
1.3
1.4
3.0
3.2
4.9
5.3
Suitable power unit
HD-10S
HD-106R
Atomospher temperature
-10乣+40

Major dimensions
model No.
NAB-
dimension
φA
L
φB
SH7
WE9
φC
NAB-32
90
63.5
105
12
4
5.5
NAB-34
90
71
105
14
5
5.5
NAB-42
124
80
144
18
5
6.5
NAB-44
124
90
144
22
7
6.5
NAB-52
150
89.5
170
22
7
9
NAB-54
150
102
170
28
7
9


Illustration.
[holes for mounting]


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