background image

l

x

L

+ 0,1

- 0,05

K

c

 Ø G

s

 Ø D 

h9

 Ø M

 Ø R

 Ø r

 Ø d 

H7

H

a

F

1

Ø f

F

90° (3x120°)

0° (2x180°)

245°

ROBA-stop

®

-M electromagnetic safety brakes

air gap

(+

 

0,2  on size 500)

Cable approx. 400 mm long for sizes 2 – 60,
for sizes 100 – 500 approx. 600 mm long
for size 1000 approx. 2000 mm long

Type 891._11.0

Bores

Size

4

8

16

3

60

100

150

50

500

1000

Bore Ø d

H7 )

Standard brake
Type 891.0 _ _._

               

 

2

min.

[mm]

8

10

11

14

19

22

24

30

40 

1.1)

50 

1.1)

75

max.

[mm]

15

15

20

25

30

35

45

50

60

80

90

Please observe Table 2, page 7

Holding brake  
Type 891.1_ _._

min.

[mm]

8

10

11

14

19

22

24

30

40

50

75

max.

[mm]

15

15

20

25

30

35

45

50

55

75

90

Please observe Table 2, page 7

Technical Data 

Size

4

8

16

3

60

100

150

50

500

1000

Braking torque

Standard brake 

1)

Type 891.02 _ _._

M

nom

[Nm]

2

4

8

16

32

60

100

150

250 500 

1.2)

1000

 5)

Holding brake 

1.2)

 

Type 891.1_ _._

M

nom

[Nm]

4

8

16

32

64

100

180

250

450

800 

3)

1600

 5)

Input power

P

nom

[W]

19

25

29

38

46

69

88

98

120

152

186

Maximum speed

n

max.

[rpm] 6000

5000

4000

3500

3000

3000

3000

1500

1500

1500

1500

Weight

Standard brake
Type 891.0

2

 _ _._

m

[kg] 0,76

1,1

1,8

3,4

4,5

7,4

13,6

19,2

33,3

38

79

Holding brake  
Type 891.1_ _._

m

[kg] 0,76

1,1

1,8

3,4

4,5

7,4

13,6

19,2

33,3

38

79

Dimensions 

[mm]

Size

4

8

16

3

60

100

150

50

500

1000

a

0,15

0,15

0,2

0,2

0,2

0,25

0,3

0,3

0,35

0,4

0,5

b

30

30

36

42

52

60

78

84

96

130

180

b

1

30

30

36

42

52

62

-

-

-

-

-

c

24

26,5

28,7

35,5

39,2

50,5

54

59

69

70

85

c

1

25

27,5

29,7

36,8

40,5

51,8

-

-

-

-

-

c

29

32,5

34,7

42,5

47,2

58,5

64

71

83

89

106

D

76

87

103

128

148

168

200

221

258

310

382

D

1

81

92

108

130

148

168

200

221

258

310

382

D

81

92

108

134

154

174

206

227

266

318

392

F

48,5

54

63,5

77

88

100,5

123

133

153

179

-

F

1

102,5

108

117,5

131

169

228,5

267

347

494

521

-

f

8

8

8

8

10

14

14

19

23

23

-

44

Summary of Contents for ROBA-stop-M

Page 1: ...OBA stop M Electromagnetic safety brakes Fast and cost effective installation High Protection IP54 IP65 Maintenance free for the rotor lifetime your reliable partner ROBA stop Always the safest choice...

Page 2: ...d condition helical springs 6 press against the armature disk 5 The rotor 3 is held between the armature disk 5 and the corresponding mounting surface of the machine The shaft is braked via the gear h...

Page 3: ...s in this document are represented with a comma e g 0 5 instead of 0 5 We reserve the right to make dimensional and constructional alterations 1 Hand release not installed on sizes 2 500 Size 1000 han...

Page 4: ...250 500 1 2 1000 5 Holding brake 1 2 Type 891 1_ _ _ Mnom Nm 4 8 16 32 64 100 180 250 450 800 3 1600 5 Input power Pnom W 19 25 29 38 46 69 88 98 120 152 186 Maximum speed nmax rpm 6000 5000 4000 350...

Page 5: ...IN IEC 60038 10 Outer diameter friction disk free size outer diameter flange plate 0 2 Missing dimensions are identical with Type 891 011 0 see page 4 Dimensions mm Size 2 4 8 16 32 60 100 150 250 500...

Page 6: ...nal condition by replacing the rotor For this the brake must be cleaned thoroughly The wear condition of the rotor 3 is determined by measuring the release voltage this must not exceed max 90 of the n...

Page 7: ...mm 6 05 6 05 6 9 8 10 4 11 15 14 15 5 17 18 5 18 5 Table 1 Permitted Bores dmax Size 2 4 8 16 32 60 100 150 250 500 1000 dmax Type 891 0_ _ _ 2 Keyway JS9 6885 1 13 13 18 22 30 32 42 45 55 75 90 6885...

Page 8: ...tching frequency can be taken from the friction power diagrams page 9 If the friction work switching work per braking is known the max switching frequency can also be taken from the friction power dia...

Page 9: ...250 Size 150 Size 100 Size 60 Size 32 Size 16 Size 8 Size 4 Size 2 Switching frequency 1 h Diagram 2 Type 891 10_ _ Holding brake Type 891 10_ _ Holding brake for 50 of the maximum speed nmax for the...

Page 10: ...1 page 5 as part of the standard delivery A radial shaft sealing ring Item 1 is installed in the coil carrier Item 2 on continuous shafts Damping rotor gear hub If vibrations in the drive line cannot...

Page 11: ...observe the applicable directives and standards e g DIN EN 60204 1 and DIN VDE 0580 Their observance must be guaranteed and double checked Earthing Connection The brake is designed for Protection Cla...

Page 12: ...g force braking torque adjustment 100 The overexcitation time tover is double the separation time t2 on each brake size Spring force braking torque adjustment 100 The overexcitation time tover is high...

Page 13: ...controlled output voltage with variable input voltage compact design compact design no wear on contacts no wear on contacts U over 207 VDC Overexcitation voltage U over 360 VDC Overexcitation voltage...

Page 14: ...7 W 517 W 312 W 416 W 416 W 416 W Max coil capacity at 230 VAC up to 85 C 352 W 352 W 187 W 250 W 250 W 250 W Max coil capacity at 400 VAC 50 C 540 W 720 W 720 W 720 W Max coil capacity at 400 VAC up...

Page 15: ...n Terminals 1 2 Input voltage fitted protective varistor 3 4 Connection for external contact for DC side switch off 5 6 Output voltage fitted protective varistor 7 8 Rext for bridge rectifier timing a...

Page 16: ...tive measures or external components are necessary The DC side disconnection is stand ard activated terminals 3 and 4 are not wired resulting in short electromagnetic consumer switching times The inte...

Page 17: ...bridge voltage for 50 ms and then control the 90 or 180 VDC overexcitation voltages After the overexcitation period they control the 52 or 104 VDC holding voltages The overexcitation period can be adj...

Page 18: ...load Switching products with a contact opening distance of 3 mm are suitable for this purpose Electrical Connection Terminals 1 Input voltage 2 Input voltage 3 Coil 4 Coil 5 Free nc terminal 6 Free nc...

Page 19: ...must be adjusted according to the size of the brake at the place of installation The brakes are designed for a relative duty cycle of 100 The brakes are only designed for dry running The braking torqu...

Page 20: ...7 contact mayr fr Italy Mayr Italia S r l Viale Veneto 3 35020 Saonara PD Tel 0 49 8 79 10 20 Fax 0 49 8 79 10 22 info mayr italia it Singapore Mayr Transmission S PTE Ltd No 8 Boon Lay Way Unit 03 06...

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