AMETEK CTS
CDN 117A series
Operation Manual
V 1.00
15 / 30
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
V
RMS
[V]
V
DC
[V]
i
max
(8/20
μ
s)
[A]
W
max
(2 ms)
[J]
P
max
[W]
S20K300
(Epcos)
300
385
8000
173
1
Maximum ratings
(TA = 85 °C)