ABB ACS850 Hardware Manual

Resistor braking
142
Example:
Brake resistor connection data
Voltage over the resistor during braking is 1.35 · 1.2 · 415 V DC when the supply
voltage is 380 to 415 VAC and 1.35 · 1.2 · 500 V DC when the supply voltage is 440
to 500 V AC.
SAFUR resistors
Degree of protection: IP00. The resistors are not UL listed.
Maximum resistor cable length
10 m (33 ft)
Dimensions and weights
P
br
t
P
br5
, P
br10
or P
br30
P
brcont
min. 60 s
No braking
min. 60 s
max 5 s, 10 s or 30 s
234
300
1320
Ø 7
345
5 5
1270
Weight:
SAFUR180F460: 32 kg
SAFUR125F500: 25 kg
SAFUR200F500: 30 kg
SAFUR210F575: 27 kg
Weight:
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ABB ACS850 Specifications

General

Safety	STO (Safe Torque Off)
Communication	CANopen
Enclosure	IP21
Output Voltage	Up to 1000 V DC
Protection Features	Overcurrent, Overvoltage, Undervoltage
Cooling Method	Air or liquid cooling
Input Voltage	380 to 690 V AC