301 / 582
BETA Protecting
Overvoltage Protection Devices
Accessories for surge arresters
6/15
Siemens ET B1 · 10/2008
6
*
You can order this quantity or a multiple thereof.
■
Technical specifications
■
Selection and ordering data
Through-type terminals
5
SD7 490-1
Standards
EN 61643-11, UL 1059, UL 486E
Rated voltage U
N
V AC 230
Rated load current
I
L
(
at 30 °C)
A
125
Rated arrester voltage U
C
V DC/AC 500
Required back-up fuse, max.
A
125
gL/gG
Short-circuit strength
with max. back-up fuse
kA
rms
25
Temperature range
°C
-40 ...
+85
Degree of protection
IP20, with connected conductors
Conductor cross-section
•
Finely stranded
mm
2
0.5 ... 25
•
Solid
mm
2
0.5 ... 35
Version
DT Order No.
Price
per PU
PG PU PS*/
P. unit
Weight
per PU
approx.
Unit(s) Unit(s) kg
Through-type terminals
For simple wiring in
various wiring versions
B
5
SD7 490-1
008 1
1
0.191
Male connectors for lightning arresters, type 1
and combination surge arresters, type 1 and 2
•
Lightning arresters L/N
I
fi
50
kA
rms
For 5SD7 41 lightning arresters.
B
5
SD7 418-1
008 1
1
0.240
•
Lightning arresters N/PE
For 5SD7 41. lightning arresters and
5
SD7 44. combination surge arresters.
B
5
SD7 418-0
008 1
1
0.240
Male connectors for lightning arresters, type 1
and combination surge arresters, type 1 and 2
•
Lightning arresters L/N
I
fi
50
kA
rms
B
5
SD7 448-1
008 1
1
0.129
•
Lightning arresters N/PE
For 5SD7 41. lightning arresters and 5SD7 44.
combination surge arresters.
B
5
SD7 418-0
008 1
1
0.240
Male connectors for lightning arresters, type 2
and combination surge arresters, type 1 and 2
•
Surge arresters L/N
For 5SD7 42. surge arresters and
5
SD7 44. combination surge arresters.
B
5
SD7 428-1
008 1
1
0.052
•
Lightning arresters N/PE
For 5SD7 41. lightning arresters and 5SD7 44.
combination surge arresters.
B
5
SD7 428-0
008 1
1
0.049
Male connectors for 5SD7 46. combination
surge arresters, type 2
•
Surge arresters L/N
B
5
SD7 468-1
008 1
1
0.051
•
Surge arresters N/PE
B
5
SD7 488-0
008 1
1
0.040
Male connectors for 5SD7 485-.
combination surge arresters, type 2
N
•
Surge arresters for IT systems
A
5
SD7 488-1
008 1
1
0.053
Male connectors for 5SD7 473-. and
5
SD7 483-. combination surge arresters, type 2
N
•
Surge arresters for photovoltaics and
IT systems
A
5
SD7 498-1
008 1
1
0.065
© Siemens AG 2008