Technical data

Chapter 2 – Electrical Installation
Siemens Building Technologies, Inc. 137
Operation with a Residual Current Device (RCD)
If a residual current device (also called a GLCI or RCCB) is connected, the SED2 operates with
no interruptions under the following conditions:
• A RCD, Type B is used.
• The RCD must have a threshold current of 300 mA.
• The neutral conductor in the system must be grounded.
• Each RCD supplies only one SED2 (an no other loads).
• The output cables must not exceed the following:
− 328 ft (100 m) shielded
− 164 ft (50 m) unshielded
Do not connect machines with a 3-phase power source fitted with EMC filters to the mains via an
earth leakage current circuit breaker (ELCB) or ground fault circuit interrupter (GFCI). (See DIN
VDE 0160, Section 6.5.)