EM Spring-Applied Brake
Types: 1.2, 2.5, 5, 10, 20, 40, 80
MNB
[ EM: Electromagnet ]
MNB
1.2G 1.2K 2.5G 2.5K 5G 5K 10G 10K 20J 20K 40J 40K 80J 80K
8.9 / 12 18 / 25 37 / 50 74 / 100 148 / 200 295 / 400 590 / 800
24 90 24 90 24 90 24 90 72 90 72 90 72 90
0.26 1.6 0.39 1.74 0.47 2.2 0.58 0.58 0.97 1.1 1.3 1.4 1.8
24 350 15 230 14 190 11 150 150 74 82 55 62 40
24 23 39 35 42 42 53 53 53 70 98 94 130 130
80 40¹ 100 45¹ 120 60¹ 180 90¹ 120¹ 90² 160 120² 200 160²
70 70¹ 100 100¹ 120 120¹ 160 160¹ 180¹ 100² 220 140² 230 150²
Static Torque [ft-lbs / N-m]
Voltage [DC-V]
Coil
(20°C)
Current [A]
Resistance [Ω]
Wattage [W]
Pull-In Time [ms]
Release Time [ms]
1
Armature
Max Allowable Speed [rpm]
3500
3
0.8
3000
6
0.8
3000
14.5
0.8
2500
25
0.8
2500
60
1
2000
170
1.2
2000
503
1.2
Moment of Inertia (J) [kg-cm²]
Max Air Gap Until Adjustment [mm]
Max Energy Until Adjustment [J]
Max Energy Until Life [J]
7.2 x 107 1.0 x 108 1.4 x 108 1.6 x 108 3.0 x 108 5.6 x 108 7.0 x 108
2.0 x 108 3.4 x 108 4.8 x 108 7.9 x 108 1.2 x 109 2.2 x 109 3.2 x 109
Max Work Rate [W]
123
19
5
147
24
7
245
28
7
327
32
10
35.5
190
170
95
52
60
152
M8
88
88
11
40
11
18
M6
12
490
42
12
45.5
230
210
125
65
590
55
16
700
65
18
Bore [mm]
d
b
H7
E9
+0.15/-0
Key Way [mm]
21
125
112
60
30
34
98
M6
63
63
8
25
8
10.5
M4
8.5
27
145
130
75
38
44
116
M6
72
72
9
30
9
13
M5
9.5
31
60
71
t
165
150
85
45
54
134
M6
78
78
10
35
10
16
M6
8.5
275
250
150
80
340
305
180
95
105
270
M16
145
167
18
70
18
33
M8
23
A
h9
B
C
H9
D
E
F
70
90
186
M8
98
98
12
50
12
27
M8
11
220
M12
125
143
15
60
15
31
M8
17
G
L
L³
M
N
Dimensions
[mm]
P1
P2
Q
R
S
0.1~0.35 0.1~0.35 0.1~0.35 0.2~0.45 0.2~0.45 0.2~0.45 0.3~0.55
7
10
M6-30
10
M6-35
15
M8-40
15
M10-45
28
M12-85
30
M12-95
T
U
M5-28
Weight [lbs / kg]
7.3 / 3.3
11 / 5
16 / 7
24 / 11
41 / 19
77 / 35
137 / 62
[ Note 1 : OFS 220 power supply ]
[ Note 2 : OHP 18H power supply ]
[ 1 inch = 25.4 mm ]
[ Note 3 : Total height including gap adjustment bolt ]
Ogura Industrial Corp.
100 Randolph Rd.
www.ogura-clutch.com
info@ogura-clutch.com