Braking System EBRA20
Operating instruction
Refer also to chapter 3.3 Electrical installa-
tion of the braking system.
(1) Change the whole overspeed governor (OSG)
and the cable (A) if it is not equipped with a
switch with two NC-contacts (F).
(2) Install the controller box (B) to the machine-
room wall and connect the cables (C) from the
box to the controller cabinet.
The following conditions / interfaces are required
to operate the EBRA20:
• Overspeed governor contact switch with
two NC-contacts
• 230 VAC power supply including 6 A fuse
• two strands in travelling cable
• Brake switch of EBRA20 to be connected in
safety circuit
Blatt/
sheet
D7AJMGB.009
Datum/
date
23.05.2002
Stand/
version
23.05.2002
Geprüft/
approved
WAT/MZE
THE LMC LIFTCOMPONENTS MANUFACTURING AND COMMERCE COMPANY
Änderungen vorbehalten! Subject to change without notice!
Work involving electrical equipment
should only be carried out by an electrical
fitter or qualified personnel.
Before carrying out work, switch off all
voltage to installation equipment.
Take note of the following when laying the
connection cable:
• that the single polarity cables have dou-
ble insulation
• the use and laying of cables is governed
by the EMC
The braking switch contact opens the lift
installation’s remotely controlled safety
circuit.
3.3.1 EBRA20 connection cable
Refer to chapter 4 Adjustment task
(1) Connect the cables (A) in the controller cabi-
net to over speed governor (OSG). Make the
connections of power supply for the EBRA20
magnet through the travelling cable (D) and
230V power supply for the board (E).
If the car light supply is used the wires
should be marked to have electricity when
the main supply of the lift is switched OFF.
3.2 Preparations and installations in the machine room
3.3 Electrical installation of the braking system
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