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AMETEK CTS
5.3.
AE Protection for auxiliary equipment
Application
Depends on the application different
protection units are awailable to pro-
tect the auxiliary equipment.
The protection unit is changeable to
get the best protection for the auxiliary
equipment
Dimension and weight off all protection modules
Dimension : 100mm x 50 mm x 42 mm
Weight:
170 g
5.3.1. Protection unit VPM 250-100
This protection unit is suitable for
mains driven datalines up to 250VAC.
The used varistor has a non-linear
characteristics as shown in the dia-
gram below.
250 V Varistor: Epcos S20K300
Technical data of the built in varistor
Type
S20K300 (Epcos)
Maximum ratings (TA = 85 °C)
Operation Manual
V
V
RMS
DC
[V]
[V]
300
385
i
max
(8/20 μs)
(2 ms)
[A]
8000
V 1.00
CDN 117A series
W
P
max
max
[J]
[W]
173
1
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