Order Number
Nominal torque holding brake
Nominal torque standard
84 % nominal torque
6)
68 % nominal torque
6)
50 % nominal torque
6)
34 % nominal torque
6)
Nominal torque adjustable
2) 6)
112 % nominal torque
6)
125 % nominal torque
6)
0
1
3
4
5
6
7
8
0
1
3
4
5
Without supplementary parts
Hand release
1)
Friction disk
7)
Hand release/Friction disk
1) 7)
Flange plate
8)
Hand release/Flange plate
1) 8)
__ / 8
9
1 . __
__
__ . __ /
__
/
__
/
__
Sizes
up to
1000
Standard brake metal rotor
3)
Holding brake metal rotor
Standard brake
Friction lining rotor
4)
0
1
Standard
11)
Enclosed
design IP65
5)
Tacho design
5)
Central torque
adjustment
2)
0
1
3
Coil voltage
9
)
[VDC]
24
10)
104
180
207
Bore
Hub Ø d
(please observe
dimensions
pages 4-5,
Table 2, page 7)
Keyway acc.
DIN 6885/1
or
DIN 6885/3
Example: 16 / 891.11.0 / 4 / 16 / 6885/1
For Further Options, see page 10.
ROBA-stop
®
-M brakes are also available in ATEX-design
according to the directive 94/9 EC (ATEX 95)
(Please contact the manufacturer separately for this).
ROBA-stop
®
-M electromagnetic safety brakes
Please Observe:
According to German notation, decimal
points 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: hand release only available
as emergency hand release.
Hand release for IP65 design only ex works.
2) On request
3) From size 60
4) Up to size 32 (for brake operation in hoisting
device drives, please contact the manufacturer)
5) Not in combination with friction disk
6) See Technical Explanations pages 6 – 7
7) Sizes 2 – 60
8) Standard tacho brake flange plate
9) Brake operation only with overexcitation
on size 500 from 700 Nm onwards
and on size 1000.
10) Not possible on size 1000.
11) Standard and tacho design are identical
on size 1000.
ROBA-stop
®
-M
Page 4
Sizes up to 1000
Braking torques
0,7 up to 1400 Nm
(Standard brake)
4 up to 1600 Nm
(Holding brake)
Permitted shaft diameters
8 up to 90
Type 891._11.0
Type 891._1.0
Type 891._14.1
Type 891._14.
Standard design
Page 5
Standard design with friction disk
IP65 design with flange plate
Tacho attachment design with flange plate
Short Description Installation
Page 6
Brake Dimensioning, Friction-Power Diagrams
Page 8
Further Options
Page 10
Switching Times, Electrical Connection, Electrical Accessories
Page 11
Guidelines
Page 19
33