Finder Overvoltage protection for sub-distribution Surge Arresters 1phase IP20 7P.21.8.275.1020 Datenbogen
Produktcode
7P.21.8.275.1020
3
SPD specification
Nominal voltage (U
N
)
V AC
Maximum continous operating voltage (U
C
) V AC/DC
Lightning impulse current (10/350 μs) (I
imp
) kA
Nominal discharge current (8/20 μs) (I
n
)
kA
Maximum discharge current (8/20 μs) (I
max
)kA
Voltage protection level (U
P
)
kV
Ability to independently switch off the
following current (I
fi
)
A
Response time (t
a
)
ns
Short-circuit proof at maximum overcurrent protection kA
rms
Maximum overcurrent protection - fuse rating
Replacement modules code
Other technical data
Ambient temperature range
°C
Protection degree
Wire size
mm
2
AWG
Wire strip length
mm
Screw torque
Nm
Remote status signalling contact specification
Contact configuration
Rated current
A AC/DC
Rated voltage
V AC/DC
Wire size (07P.01)
mm
2
AWG
Approvals (according to type)
For outline drawing see page 12
7P.12.8.275.1012
7P.13.8.275.1012
•
SPD Type 1+2
•
Replaceable varistor modules
•
Visual and remote signalling of varistor status
•
SPD Type 1+2
•
Replaceble Spark Gap and varistor modules
•
Visual and remote signalling of varistor status
Features
SPD Type 1+2 Surge arrester range with
“Low U
“Low U
p
performance” - Single phase / three phase
system
•
Surge arrester suitable for 230/400 V system/
applications to prevent overvoltage effects
caused by direct or indirect lightning strikes
applications to prevent overvoltage effects
caused by direct or indirect lightning strikes
•
To be installed at the boundary of LPZ 0 and
LPZ 1 zones
LPZ 1 zones
•
Low U
p
level to protect senstive equipment
•
Visual indication of varistor status -
Healthy/Replace
Healthy/Replace
•
Remote signalling contact, of varistor status.
Connector 07P.01 included
Connector 07P.01 included
•
Replaceable varistor and Spark Gap modules
•
Complies with EN 61 643-11
•
17.5 mm rail EN 60715 mounting for each
module
module
7P.12.8.275.1012
•
Varistor protection L-N + spark gap protection
N-PE
N-PE
•
Replaceble Spark Gap and varistor modules
7P.13.8.275.1012
•
Varistor protection L1, L2, L3-PEN
•
Replaceable varistor modules
7P Series - Surge Protection Device (SPD)
L-N
N-PE
L-PEN
230
—
230
275 / 350
255 / —
275 / 350
12.5
25
12.5
30
40
30
60
60
60
1.2
1.5
1.2
No following
100
No following
current
current
25
100
25
35
—
35
160 A gL/gG
—
160 A gL/gG
7P.10.8.275.0012
7P.10.1.000.0025
7P.10.8.275.0012
–40...+80
IP20
solid cable
stranded cable
1x1...1x50
1x1...1x35
1x 17...1x1
1x 17...1x2
14
4
1 CO (SPDT)
—
1 CO (SPDT)
0.5 - 0.1
—
0.5 - 0.1
250
—
250
solid cable stranded cable
solid cable
stranded cable
1.5
1.5
—
1.5
1.5
16
16
—
16
16
7P.12 / 7P.13
Screw terminal
Screw terminal
XII-2012, www
.finder
net.com