Download Ring Main Units

CTD (Condenser trip device)
(For discharge)
AC input
DC output
CTD is built as standard in the contactor with
AC control of instantaneous excitation so that
the contactor can be tripped within 30 seconds in
the event of an electricity failure. The automatic
trip circuit in the event of an electricity failure is
to be built by a customer.
Rating
Description
Type
CTD-100
CTD-200
Rated input voltage(V)
AC 100/110
AC 200/220
50/60
50/60
140/155
280/310
Within 5 sec.
Within 5 sec.
Max. 30 sec.
Max. 30 sec.
Input voltage range
85%~110%
85%~110%
Capacitor rating(μ
F)
400
160
Frequency(Hz)
Rated impulse
voltage(V)
Charging time
Trip command
possible time
Control circuit diagram
Terminal
Closing coil (C)
Shunt coil (TC)
The coil operated only when the power is applied
continuously over 45ms. It has built-in electrically antipumping circuit.
When the VCB is 'ON' position, even though the control
power of a shunt coil is 'OFF', the VCB maintains the 'ON'
position.
Rated voltage
Rated current (A)
Rated voltage
Rated current (A)
DC 24V
10
DC 24V
10
DC 110V
2.5
DC 110V
2.5
Note 1) Range of the normal operating voltage: 85~110%
2) DC 24V is the underdeveloped rating.
Control connector
Voltage detector
Screw type
09
11
08
19
10
07
18
06
17
03
05
02
14
04
01
13
Plug in type
12
GAS pressure gauge
Note 1) Range of the normal operating voltage: 70~110%
2) DC 24V is the underdeveloped rating.
23