Datasheet

II-2015, www.findernet.com
7
E
7P
SERIES
7P SERIES
Surge Protection Device (SPD)
SPD Type 2 Surge arrester range for
Photovoltaic applications
• Surge arrester for protection of DC side
(420V to 1200V) of systems in photovoltaic
applications
• Protects equipment against
inducedovervoltage caused by lightning strikes
or switching transients
7P.26.9.420.1020, U
CPV
=420VDC
7P.23.9.750.x020, U
CPV
=750VDC
7P.23.9.200.1015, U
CPV
=1200VDC
• Visual indication of varistor status -
Healthy/Replace
• Contact for remote signalling of varistor status.
Connector (07P.01) included (depending on the
verision)
• Replaceable modules
• Complies with prEN50539-11:2010
• 35mm rail (EN60715) mounting
7P.23.9 / 7P.26
Screw terminals
7P.26.9.420.1020 7P.23.9.750.x020 7P.23.9.200.1015
• SPD Type 2 (2 varistors +
1 spark-gap) for 420VDC
photovoltaic systems
• Combination of replaceable
varistor and encapsulated
spark gap modules
• Visual and remote signalling
of varistor status
• SPD Type 2 (3 varistors)
for 750VDC photovoltaic
systems
• Replaceable varistor modules
• Visual and optional remote
connector for signalling of the
varistor status
• SPD Type 2 (3 varistors) for
1200VDC photovoltaic
systems
• Replaceable varistor modules
• Visual and remote signalling
of varistor status
For outline drawing see page 15
SPD specification
Varistor
module
Spark-gap
module
Varistor
module
Varistor
module
Maximum operating voltage (U
CPV
) VDC 420 750 1200
Maximum operating voltage/per module (U
CPV
) VDC 375 420 375 600
Nominal discharge current/
per module (8/20μs) (I
n
) kA 20 20 20 15
Maximum discharge current/
per module (8/20μs) (I
max
) kA 40 40 40 30
Voltage protection level/per module (U
p
) kV 1.8 1.5 1.8 2.1
Voltage protection level of the system
U
p
(+→–)/(+/–→PE) kV 3.6/1.5 3.6/3.6 4.2/4.2
Response time (t
a
) ns 25 100 25 25
Short circuit current withstand I
SCPV
A 63 — 63 125
Replacement module code 7P.20.9.375.0020 — 7P.20.9.375.0020 7P.20.9.600.0015
Other technical data
Ambient temperature range °C –40…+80
Protection degree IP20
Wire size solid cable stranded cable
mm
2
1x1…1x35 1x1…1x25
AWG 1x17…1x2 1x17…1x4
Wire strip length mm 14
Screw torque Nm 3
Remote status signalling contact specification
Contact configuration 1 CO (SPDT) 1 CO (SPDT) 1 CO (SPDT)
Rated current AAC/DC 0.5/0.1 0.5/0.1 0.5/0.1
Rated voltage VAC/DC 250/30 250/30 250/30
Wire size (07P.01) solid cable stranded cable solid cable stranded cable solid cable stranded cable
mm
2
1.5 1.5 1.5 1.5 1.5 1.5
AWG 16 16 16 16 16 16
Approvals (according to type)