Carlo Gavazzi CTD-1X Catalog Page

Accessories AC Current Transformer (max 23mm Type CTD-1X

• Cable and bus-bar type current transformer

• 0.5 class, currents from 50 to 300 A

• Removable DIN-rail mounting holder Removable panel fixing clips

•

• 2 cable/bus-bar isolated fixing screws

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

• Sealable terminal block covers

Product Description

Cable/Bus-bar type current transformer with DIN-rail/busbar and panel mounting facility.

Type Selection

Primary current

Rated primary currents from 50 A to 300 A.

Secondary current

Ordering Key

Model Primary current Secondary current Option

Optional fixing kit:

Option

φ cable)

CTD-1X 100 5A XXX

CTD-kit

From 50 to 300A (Refer to Range Table)

1A 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 current rating

dyn

Extended current rating 120% Security factor (FS) ≤ 5 (Class: 0.5, 1 and 3)

Typical 100 In/1 s

2.5 I

The short-time thermal current I by the cable/bus-bar size

is anyway limited

General Specifications

Standards According to EN60044-1 Housing ABS, self-extinguishing:

UL 94 V

Mounting DIN-rail bus-bar

and panel mounting

Standard accessories Two terminal block screws.

Two sealable terminal block covers. Two panel mounting fixing clips. One DIN rail adapter.

Optional accessories Extended fixing kit CTD-kit:

Six cable/bus-bar fixing screws. Six plastic caps for cable/bus-bar fixing screws.

-0

XXX: none XTX: tropicalization

Two panel mounting fixing clips.

Special features 1 A secondary current,

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

Cable diameter Max. 23 mm Bus-bar size Max. 20x5 mm Weight From 150 to 200 g

Tropicalization

140°F) (R.H. < 90% non condensing @ 40°C)

158°F) (R.H. < 90% non condensing @ 40°C)

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 screws: 0,3 Nm

IP20 (with sealable terminal block covers + wire termi nals)

Output Specifications

Rated secondary current 5 A or 1 A

Specifications are subject to change without notice CTD-1X DS ENG 100311 1

CTD-1X

65,2

23,3

83,6

69,2

Range Table

odel CTD-1X from 50A to 100A

Primary

urrent

Burden (VA)

A CL 0.5 CL 1 CL 3

0 (@60°C/140°F)

1 1

.25

60 (@60°C/140°F) 1 1.25

70 (@60°C/140°F) 1.5 1.75

75 (@60°C/140°F) 1 1.25 1.75

80 (@60°C/140°F) 1.25 1.5 2

100 (@60°C/140°F) 1.5 1.75 2.25

120 (@60°C/140°F) 1.75 2 2.5

125 (@60°C/140°F) 2 2.25 2.75

150 (@60°C/140°F) 2.25 2.5 3

160 (@60°C/140°F) 2.5 2.75 3.25

200 (@60°C/140°F) 3 3.25 3.75

250 (@50°C/122°F) 4.5 4.75 5.25

Model CTD-1X from 120A to 300A

rimary

P Current

A CL 0.5 CL 1 CL 3

300 (@50°C/122°F) 5 5.5 6

Benefits

1 2 3 4 5

Burden (VA)

6 7 8 9

•

Easy and quick mounting either on a panel or on a DIN-rail (see figure 1-2).

Dimensions (mm)

• Protection of screw terminals using specific sealable covers to assur

e always the best safety (see figure 3). Bridging of curr

• changing the connection of the secondary to avoid any output overvoltage during either the maintenance or the installation procedure (see figure 4). Easy output and earth connection (see fig. 5).

•

ew terminals compatible with any kind of

Scr

•

ent transformer output without

, so

wire terminals (see figure 6-7-8-9).

• Multiple screws provided with insulation caps to grant a str

ent transformer to the bus-bar (see figur

curr

ong and r

eliable fixing of the

e 10).

S1 S2

P1 P2

Wiring Diagram

2 Specifications ar

e subject to change without notice CTD-1X DS ENG 100311