Service Instructions NFF Stromag Dessau
IP 66 safety in motion
Electromagnetic Double Face Spring – Applied Brake 01.06.2009
3
M
dyn
dynamic torque (friction torque, nominal value for working brake)
applies to dry operation with an oil- and grease-free friction lining after running-in
M
stat
static torque (torque of adhesion)
n
o
maximum idling speed
n
zn
nominal switching speed
P
k
excitation output at 20°C
P
vn
nominal breaking capacity (S4-40% I.O.)
W switch work per switching operation for z = 1-5 h
-1
J mass moment of inertia of rotating parts
m weight
Protection class IP 66 in accordance with DIN 40050
Mode of operation S1, S4 - 40% I.O.
thermical class 155 ‘F’ in accordance with DIN VDE 0580
The main parameters are also given on the nameplate
AC control via rectifier
The max. admissible speed as well as the other technical data are stated on the dimensional
drawing which is binding for the pertinent order and can be inquired at our after-sales service;
address is given in chap. 10.3.
1.3 Bore and keyway dimensions, connections
The binding dimensions for the bore, keyway and connections are stated on the dimensional
drawing as mentioned in chap. 1.2.
1.4 Application range and utilization as per specification
in docks:
in harbour cranes, container loading facilities for crane, hoisting and trolley travel gears.
Operating conditions:
Protection class IP 66 in accordance with DIN 40050 (VDE 0470). Electrical design of brakes in
accordance with DIN VDE 0580 in thermical class 155 (F). The brake corresponds to Directive
93/68/EEC (Low Voltage Directive).
The Directive 89/336/EEC (EMC) must be ensured by the user, taking into account the
instructions given by the manufacturer.
The products are marked accordingly.
Mode of operation S1, S4.
Horizontal installation. Vertical operation after consultation with manufacturer.
With the friction combination steel/ organic friction lining the brake may only be used for dry
running under the conditions described in chapters 7.1 and 7.3
In addition, compliance with the assembly, dismantling, commissioning and maintenance
conditions specified by the manufacturer must be ensured.
Non-compliance with these conditions or any use beyond this shall be deemed use not in
accordance with the specification.
The manufacturer shall not be liable for any such use, the risk shall be exclusively borne by the
user.
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