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Siemens D 31 · 2015
7
SINAMICS G110D distributed inverters
0.75 kW to 7.5 kW (1 hp to 10 hp)
DC link components
> Braking resistors
■
Overview
Excess energy in the DC link is dissipated in the braking
resistors. The braking resistors are intended for use with
SINAMICS
G110D, which have an integrated brake chopper, but
cannot regenerate energy to the line supply. For regenerative
operation, e.g. the braking of a rotating mass with high moment
of inertia, a braking resistor must be connected to convert the
resulting energy into heat.
The braking resistors can be mounted above and to the side of
the SINAMICS G110D distributed inverter. The heat dissipated
by the braking resistor must not diminish the inverter cooling.
This is the reason that a minimum clearance of 150 mm must be
maintained between the inverter and braking resistor.
Every braking resistor is equipped with thermal protection. The
thermal protection prevents the braking resistor from being
thermally overloaded.
All of the braking resistors are provided as standard with a cable
that is pre-assembled and 500 mm long.
■
Technical specifications
■
Selection and ordering data
1)
For the specified width (465 mm) the required bending radius of the
braking resistor connecting cable to the SINAMICS G110D has not been
taken into account.
2)
It is not possible to make any assignment to a particular standard.
■
Characteristic curves
Load diagram for the braking resistors
t
a
= 12 s
t
= 240 s
Line voltage
380 ... 500 V 3 AC
Braking resistor
6SL3501-0BE08-6AA0
6SL3501-0BE12-1AA0
6SL3501-0BE14-1AA0
Resistance
Ω
400
160
80
Rated power
P
DB
(Continuous braking power)
kW
0.075
0.2
0.375
Peak power
P
max
(load period
t
a
= 12 s over a
period
t
= 240 s)
kW
1.5
4
7.5
Degree of protection
IP65
IP65
IP65
Dimensions
• Width
mm (in)
465 (18.31)
1)
465 (18.31)
1)
465 (18.31)
1)
• Height
mm (in)
199 (7.83)
199 (7.83)
259 (10.20)
• Depth
mm (in)
120 (4.72)
120 (4.72)
120 (4.72)
Weight, approx.
kg (lb)
3.5 (7.7)
4.5 (9.9)
7 (15.4)
Suitable for SINAMICS G110D
(Frame size)
6SL3511- . PE17-5AM0 (FSA)
6SL3511- . PE21-5AM0 (FSA)
6SL3511- . PE23-0AM0 (FSA)
6SL3511- . PE24-0AM0 (FSB)
6SL3511- . PE25-5AM0 (FSC)
6SL3511- . PE27-5AM0 (FSC)
Rated power
Suitable for
SINAMICS G110D
Braking resistor
kW
hp
Type
6SL3511-...
Frame
size
Article No.
380 ... 500 V 3 AC
0.75
1
. PE17-5AM0
FSA
6SL3501-0BE08-6AA0
1.5
1.5
2)
. PE21-5AM0
FSA
3
4
. PE23-0AM0
FSA
6SL3501-0BE12-1AA0
4
5
. PE24-0AM0
FSB
5.5
7.5
. PE25-5AM0
FSC
6SL3501-0BE14-1AA0
7.5
10
. PE27-5AM0
FSC
a
P
P
P
G_D211_EN_00038b
max
DB
© Siemens AG 2014