Carlo Gavazzi CTD-5S Catalog Page
Accessories
AC Split-Core Current Transformer
Type CTD-5S
( max 26x32 mm)
Product Description
Split-core current transformer
with bus-bar mountng facility.
Type Selection
Primary current
Rated primary currents from
100 A to 400 A.
Secondary current
• Bus-bar type split core current transformer
• Class 1 accuracy
• Currents from 100 A to 400 A
Up to 6 Bus-bar isolated fixing screws
•
• Double screw terminals (up to 8-wire connections)
• Sealable terminal block covers
• Sealable fixing split-core screws
Ordering Key
Model
Primary current
Secondary current
Option
Option
CTD-5S 400 5A XXX
From 100A to 400A
(Refer to the Range Table)
1A (on request)
5A
Input Specifications
Operating frequency 48 to 62 Hz
Max. system voltage 0.72 kV
Rated insulation level 3 kV/1 min. @ 50 Hz
Insulation class E (max 75°C)
Short-time curr
I
th
I
dyn
Extended current rating 120%
Security factor (FS) ≤ 5 (Class: 1 and 3)
ent rating
ypical 100 I
T
2.5 I
th
The short-time thermal
ent I
curr
by the cable/bus-bar size
/1 s
n
is anyway limited
th
General Specifications
Standards According to EN60044-1
Housing ABS, self-extinguishing:
Mounting Bus-bar mounting
Standard accessories Two terminal block screws.
Special features 1 A secondary curr
UL 94 V-0
Six cable/bus-bar
fixing screws.
Six plastic caps for
cable/bus-bar fixing scr
Two sealable terminal block
covers.
opicalization
r
T
ews.
ent,
XXX: none
XTX: tropicalization (on request)
Working temperature -25°C to +60°C (-13°F to
Storage temperature -30°C to +70°C (-22°F to
Approvals CE, cURus and CSA
Connection Screw type
Cable cross section area From 1.5 to 6 mm
Protection degree IP00 (without sealable terminal
Cable diameter Max. 26 mm
Bus-bar size Max. 26x32 mm
Weight From 450 to 700 g
140°F) (R.H. < 90% non
condensing @ 40°C)
158°F) (R.H. < 90% non
condensing @ 40
Min/Max scr
elevant to terminal
que r
tor
block screws: From 1 to 2 Nm
Max screws tightening
torque relevant to the
cable/bus-bar fixing screws:
0,3 Nm
covers)
IP20 (with sealable terminal
block covers + wire terminals)
C)
°
2
ews tightening
Output Specifications
Rated secondary curr
ent
5 A or 1 A
Specifications are subject to change without notice CTD-5S DS ENG 210711 1
CTD-5S
Range Table
odel CTD-5S from 100A to 400A
M
Primary
urrent
C
A CL 1 CL 3
00 (@60°C/140°F)
1
125 (@60°C/140°F) 1 1.5
150 (@60°C/140°F) 1.5 2.5
200 (@60°C/140°F) 1.5 5
250 (@60°C/140°F) 1.5 5
300 (@50°C/122°F) 2.5 7.5
400 (@50°C/122°F) 5 10
Burden (VA)
- 1
Benefits
1 2
Wiring Diagram
1 S2
S
.5
L
1 P2
P
N
3
4
5 6 7 8
• Easy way to open and close the CT core by
the dedicate seleable screws (see figure 1).
Bridging of current transformer output
•
without changing the connection of the
secondary, so to avoid any output
overvoltage during either the maintenance or
the installation procedure (see figure 2).
• Easy output and earth connection (see fig. 3).
Multiple scr
•
screws to grant a strong and reliable fixing of the
current transformer to the bus-bar (see figure 4).
Screw terminals compatible with any kind of
•
e terminals and pr
wir
terminals using specific sealable covers to
assure always the best safety (see figure 56-7-8).
ews provided with isolation cap
otection of screw
Dimensions (mm)
2 Specifications ar
e subject to change without notice CTD-5S DS ENG 210711
Loading...