Brochure/Catalogue

VARITECTOR SSC 6AN
The VSSC4 SL FG is a two-stage
protective combination with a
suppressor between the current paths
and common return wire. The gas
discharge tube to the PE provides
a high-resistance earthing for the
protective circuitry. Thus the protective
circuitry can be operated with a
oating earth. This VSSC4 SL FG limits
the surge voltage in a binary oating
signal circuit.
VSSC4 MOV
The VSSC4 MOV provides one-stage
protection with a varistor (MOV) for the
current path to PE. This VSSC4 MOV
limits the surge voltage in a circuit
(e.g. for solenoid valves). The thermally
monitored MOV is available in voltages
of 12 V, 24 V, 48 V, 60 V, 120 V,
150 V and 240 V.
240 V.
VSSC4 GDT
The VSSC4 GDT provides one-stage
protection with a gas discharge tube
(GDT) for the current path to PE. This
VSSC4 GDT limits the surge voltage
in a circuit. This terminal is used
where no leakage current is permitted
to ow to the earth, or where a high-
impedance cable shield is connected
to the earth. The GDT is available in
voltages of 90 V, 110 V and 240 V.
VSSC4 TAZ
The VSSC4 TAZ provides one-stage
protection with a quick-response
(<10 ps) suppressor diode (TAZ) for the
current path to PE. This VSSC4 TAZ
limits the surge voltage in a circuit
(e.g. for digital inputs). The TAZ is
available in voltages of 12 V, 24 V,
48 V and 60 V.
VSSC4 RC
VSSC4 RC is the nal protective
variant in the VSSC series. This variant
combines a thermally monitored
varistor and an RC combination. It
can be used for spark suppression
on inductive loads. The VSSC4 RC is
available in 24 V and 240 V.
VSSC6 CL
The VSSC6 CL is a two-stage
protective combination that has a
suppressor diode between the current
paths. This VSSC6 CL limits the surge
voltage in an analogue signal circuit
(e.g. a current loop). The PE potential
can be provided on terminal point
3/6 by snapping the terminal on an
earthed DIN rail. This allows a shield
connection to be connected. This
version is also available as the
VSSC6 CL FG oating-ground
protective circuit.
The VSSC6 TR CL is built like the
VSSC6 CL and also has two isolators.
The 2.3-mm PS 2.3 (order number
018040000) can be plugged into the
Torx
®
screw head. The isolation makes
it possible to take measurements in
the eld, in the electrical cabinet or via
the surge protection. This version is
also available as the VSSC6 TR CL FG
oating-ground protective circuit.
The VSSC6 SL LD is a two-stage
protective combination with a
suppressor between the current
paths and common return wire. This
VSSC6 SL limits the surge voltage
in two binary signal circuits. The
signal status for each signal circuit is
indicated by an LED.
The VSSC6 TR SL LD is built like the
VSSC6 L LD but also has two isolators.
The 2.3-mm plug uses the screws to
provide easy signal measurements.
This version is also available as the
VSSC6 TR SL FG oating-ground
protective circuit.
The VSSC6 MOV provides
one-stage protection with two
thermally monitored varistors (MOV)
between the current paths and
common return wire. This VSSC6 MOV
limits the surge voltage in two binary
signal circuits.
The VSSC6 TR LD MOV provides
one-stage protection with two
thermally monitored varistors (MOV)
between the current paths and
common return wire. The VSSC6
MOV limits the surge voltage in two
binary signal circuits and also has
an isolator and an LED for each signal
circuit.
VARITECTOR SSC
B
B.672028840000
Lightning and surge protection for control and instrumentation signals