Braking operation, General electrical data, Rated data – Lenze E82xVxxxKxxxxx User Manual
Page 488
Braking operation
Braking operation with external brake resistor
8200 vector 15 ... 90 kW
l
488
EDS82EV903 EN 3.0
General electrical data
Protection EMB9351/EMB9352
Type of protection
EN 60529
IP 10
IP 20 with installed terminal cover
IP 41 on the side of the heatsink in push−through design
NEMA 250
Protection against accidental contact in accordance with type 1
Insulation resistance
EN 61800−5−1
Overvoltage category III
Reduction from 2000 m: overvoltage category II
Discharge current
EN 61800−5−1
< 3.5 mA
Observe regulations and safety
instructions!
Protective insulation
of control circuits
EN 61800−5−1
Safe mains isolation: Double/reinforced insulation
Rated data
Brake chopper EMB9352
Supply voltage V
rated
[V DC]
270 ... 775
Switching threshold V
DC
[V DC]
375/725/765
Adjustable
Peak braking current Î
[A DC]
42
for 60 s
Max. continuous current
I
rated
[V DC]
25
Peak braking power P
Bmaxv (
V
DC
)
375 V DC
[kW]
15
725 V DC
[kW]
30
765 V DC
[kW]
32
Continuous braking power P
Bd
(V
DC
)
375 V DC
[kW]
9
725 V DC
[kW]
18
765 V DC
[kW]
19
Minimum permissible resistance
value
(
V
DC
)
375 V DC
[
W]
9
±10%
725 V DC
[
W]
18
±10%
765 V DC
[
W]
18
±10%
Switch−on cycle
Max. 60 s of braking at peak braking current, followed by min. 60 s
recovery time
Heat
[kWs]
See technical data for the external resistor
Dimensions
Dependent on the mounting variant,
^ documentation for the brake
chopper
Mass
EMB9352−E
[kg]
2.6
Standard mounting
EMB9352−C
[kg]
1.5
Cold plate technique