Carlo Gavazzi CTD-10V, CTD10-H Catalog Page

Accessories
AC Solid-core Current Transformer
Type CTD-10V / CTD10-H

Product Description

Solid-core current transformer
with bus-bar mounting facility.

Type Selection

Model

Rated primary currents from
400 A to 3200 A.

Primary current

( max 50x125 mm)

• Bus-bar type solid-core current transformer

• Class 0.5 accuracy

• Currents from 400 A to 3200 A
Up to 10 Bus-bar isolated fixing screws

•

• Double screw terminals (up to 8-wire connections)

• Sealable terminal block covers

Ordering Key

Model
Primary current
Secondary current
Option

Secondary current

CTD-10V 2000 5A XXX

Option

CTD-10V: vertical mounting
CTD-10H: horizontal mounting

From 400A to 3200A
(Refer to the Range Table)

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 Refer to the Range Table
Security factor (FS) ≤ 5 (Class: 0.5, 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

en bus-bar

T
fixing screws.

en plastic caps for

T
bus-bar fixing scr
Two sealable terminal block
covers.

opicalization

r

T

ews.

ent,

1A (on request)
5A

Working temperature -25°C to: refer to the Range

Storage temperature -30°C to +70°C (-22°F to

Approvals CE.

Connection Scr

Protection degree IP00 (without sealable terminal

Bus-bar size Max. 50x125 mm
Weight From 450 to 700 g

Cable cr

oss section ar

ea

XXX: none
XTX: tropicalization

Table (-13°F to: refer to the
Range Table) (R.H. < 90% non
condensing @ 40°C)

F) (R.H. < 90% non

°

158
condensing @ 40°C)

cURus and CSA (400A to 2000A)

ew type
From 1.5 to 6 mm
Min/Max screws tightening
torque relevant to terminal
block screws: From 1 to 2 Nm
Max screws tightening
torque relevant to the
cable/bus-bar fixing scr
0,3 Nm

covers)
IP20 (with sealable terminal
block covers + wire terminals)

2

ews:

Output Specifications

Rated secondary curr

ent

5 A or 1 A

Specifications are subject to change without notice CTD-10VH DS ENG 150311 1

CTD-10V / CTD-10H

Range Table

Model CTD-10V and CTD-10H from 400A to 1200A

rimary

P
Current

Temperature

xtended

E

current rating

Burden (VA)

A CL 0.5 CL 1 CL 3

400

500

600

700

750

800

1000

1200

(@60°C/140°F) 120%

(@60°C/140°F) 120%

(@60°C/140°F) 120%

(@60°C/140°F) 120%

(@60°C/140°F) 120%

(@60°C/140°F) 120%

(@60°C/140°F) 120%

(@50°C/122°F) 120%

1 7 10

3 10 14

5 12 17

8 15 20

10 15 20

10 15 20

12 20 25

15 25 30

Benefits

1 2 3

4

5 6

Model CTD-10V and CTD-10H from 1250A to 3200A

Primary
Current

emperature

T

Extended

current rating

B

A CL 0.5 CL 1 CL 3

1250

1500

1600

2000

2500

3000

3200

(*) A Max overload of 120% for 1 min. every 30 min. is allowed.
(+) A continuous overload of 120% of the range is allowed @ amb.

temp. 40°C max.

(@50°C/122°F) 120%

(@50°C/122°F) 120%

(@50°C/122°F) 120%

(@50°C/122°F)

(@50°C/122°F)

(@40°C/104°F)

(@40°C/104°F)

100% (+)

100% (*)

100% (*)

100% (*)

15 25 30

20 30 40

20 30 40

25 40 50

30 50 60

30 50 60

30 50 60

Dimensions Vertical mounting (mm)

urden (VA)

• 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 1).

• Easy output and earth connection (see fig. 2).

• Screw terminals compatible with any kind of wire
terminals (see figure 3-4-5-6).

Wiring Diagram

S1 S2

L

P1 P2

N

Dimensions Horizontal mounting (mm)

2 Specifications ar

e subject to change without notice CTD-10VH DS ENG 150311