Datasheet

II-2015, www.findernet.com
6
E
7P SERIES
Surge Protection Device (SPD)
7P
SERIES
SPD Type 2 Surge arrester range - three phase
systems
• Surge arrester suitable for 230/400V system
applications to protect equipments against
induced overvoltage or switching transients
• To be installed at the boundary of LPZ1- LPZ2
zones or higher
• Visual indication of varistor status -
Healthy/Replace
• Contact for remote signalling of varistor status.
Connector (07P.01) included (depending on the
version)
• Replaceable varistor and spark gap modules
• Complies with EN61643-11:2012
• 35mm rail (EN60715) mounting
7P.23.8.275.1020 SPD Type 2 for three phase
system without Neutral (PEN
conductor).
• Varistor protection L1, L2, L3-PEN
• Replaceable varistor module
7P.24.8.275.x020 SPD Type 2 for three phase
system with Neutral.
• Varistor protection L1, L2, L3 + Spark gap
protection N-PE
• Replaceable varistor and spark gap modules
7P.25.8.275.x020 SPD Type 2 for three phase
system with Neutral.
• Varistor protection L1, L2, L3, N-PE
• Replaceable varistor module
7P.23.8 / 7P.24 / 7P.25
Screw terminals
7P.23.8.275.1020 7P.24.8.275.x020 7P.25.8.275.x020
• SPD Type 2 (3 varistors)
• Replaceable varistor module,
3 pole
• Visual and remote signalling
of varistor status
• SPD Type 2
(3 varistors + 1 spark-gap)
• Combination of replaceable
varistor and encapsulated
spark gap modules
• Visual and optional remote
connector for signalling of the
varistor status
• SPD Type 2 (4 varistors)
• Replaceable varistor module,
4 pole
• Visual and optional remote
connector for signalling of the
varistor status
7P.23.8.275.1020
For outline drawing see page 15
SPD specification L - PEN L-N N-PE L, N-PE
Nominal voltage (U
N
) VAC 230 230 — 230
Maximum continous operating voltage (U
C
) VAC/DC 275/350 275/— 255/— 275/350
Nominal discharge current (8/20μs) (I
n
) kA 20 20 20 20
Maximum discharge current (8/20μs) (I
max
) kA 40 40 40 40
Voltage protection level at 5kA (U
P5
) kV 0.9 0.9 — 0.9
Voltage protection level at I
n
(U
p
) kV 1.2 1.2 1.5 1.2
Response time (t
a
) ns 25 25 100 25
Short-circuit proof at maximum
overcurrent protection kA
rms
50 50 — 50
Maximum overcurrent protection (fuse rating gL/gG) 160A 160A — 160A
Replacement module code 7P.20.8.275.0020 7P.20.8.275.0020 7P.20.1.000.0020 7P.20.8.275.0020
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 12
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)