Lenze E82xVxxxKxxxxx - Manual (Page 488)

Braking operation
Braking operation with external brake resistor
8200 vector 15 ... 90 kW
13
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