Fusing, Ce-Compliant; Fusing, Ul - Compliant; Residual Current Circuit Breaker; Safe System Stop In The Event Of Power Failure - Beckhoff AX8000 System Manual

9.3.4

Fusing, CE-compliant

Fire hazard through cable overload!
The recommended fuses are designed for line protection. The servo drives feature inte-
grated self-protection.
CAUTION
External protection
AC supply (max.) *)
24 V supply (max.)
*) Application class "gG(A)" mains fuses according to IEC 60269 or "C" type automatic circuit-breakers must
be used.
Internal protection
Circuit
24 V system / peripheral voltage
Brake resistor (internal)
9.3.5

Fusing, UL - compliant

Fire hazard through cable overload!
The recommended fuses are designed for line protection. The servo drives feature inte-
grated self-protection.
CAUTION
External protection
AC supply (max.) *)
24 V supply (max.)
*) Application class "J" UL mains must be used.
Internal protection
Circuit
24 V system / peripheral voltage
Brake resistor (internal)
9.3.6

Residual current circuit breaker

Servo drives with built-in mains filters generate a small leakage current (fault current) due to the capacitors in
the filter. This fault current is responsible for malfunctions in standard residual current circuit breakers. For
this reason so-called AC/DC sensitive residual current circuit breakers must be used, which also take into
account DC currents.
9.3.7

Safe system stop in the event of power failure

A power failure can lead to the uncontrolled run-out of the drive axes: linear axis or lifting axes would hit the
limit stop unbraked. The supply voltage for the control electronics can be buffered by the UPS of the
Industrial PC until all axes have been safely stopped.
AX8000 - system manual
All manuals and user guides at all-guides.com
AX8620-1000
25 A
Fuse
electronic
electronic
AX8620-1000
25 A
Fuse
electronic
electronic
Version: 1.0
AX8620-0000
25 A
20 A
AX8620-0000
25 A
20 A
Electrical installation
AX8640
50 A
AX8640
50 A
49