Line Connection Via A Ground-Fault Circuit Interrupter - Siemens SINUMERIK 840D sl Manual
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Figure 5-4
5.1.5
Line connection via a ground-fault circuit interrupter
In addition to protective measures against direct and indirect contact, selectively tripping
AC/DC-sensitive residual-current circuit-breakers (Type B) can be used.
Danger
Residual-current circuit-breakers alone are not permissible to provide protection against
direct and indirect contact.
Guide for the SINUMERIK 840D sl machine configuring
Manual, 07/2006 Edition, 6FC5397-6CP10-0BA0
Isolating transformer
Connection of the Components
5.1 Power Supply Interface Variants
5-5
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