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INSTRUCTION MANUAL
LI-550C
LINE IMPEDANCE STABILIZATION NETWORK
19121 El T oro R d ● S il vera d o, Ca lifo rnia 926 76 ● (94 9) 459 - 9600 ● com - p ower.com
REV021317
5.3 Front & Rear Panel Marking
5.3.1 Power input port
The Model LI-550C has a Superior Electric Shrouded pin receptacle for
connection to an external DC or AC input power source. The LISN is
shipped with two matching shrouded socket plug, for connection to the
input power source cables.
CAUTION
Due to the high level of earth leakage current, the device cannot be
connected to any power source protected by either a g
round fault circuit
interrupter (GFCI) circuit breaker
or residual current devices (RCDs).
The power source must be protected by a circuit breaker with a current
rating which is greater than or equal to the rating of the LISN.
5.3.2 Grounding bolt (GND)
The threaded bolt with hex nut marked 'GND' are found on both front and
back panel of the LISN. This bolt is used for Protective grounding
connections. In addition to this, the un-painted bottom surface of the LISN
5.3.3
5.3.2
5.3.4
5.3.1
5.3.2
Figure 3: Rear Panel
Figure 4: Front Panel
Figure 2: Three Phase connections with two sets of LISN
