Split Core CTs
Article features:
- Transformer core can be easily divided
- excellent for retrofitting, as the primary circuit does not have to be interrupted
- simple and secure attachment to busbar – audible latching of current transformer
- well fixable by some clamping screws
TQ10
Dis. in mm: 29 x 41 x 26
Round conductor: ⌀ 10 mm
Range: 50 or 60 A
TQ18
Dis. in mm: 36 x 50 x 36
Round conductor: ⌀ 18 mm
Range: (1A, 5A) 60 or 250 A
TQ18B
Dis. in mm: 48.8 x 66.7 x 44.5
Round conductor: ⌀ 18 mm
Range: (1A, 5A) 100 or 250 A
TQ27
Dis. in mm: 48.8 x 66.8 x 44.5
Round conductor: ⌀ 28 mm
Range: (1A, 5A) 250…500 A
TQ42
Dis. in mm: 66 x 97 x 54.6
Round conductor: ⌀ 42 mm
Range: (1A, 5A) 250…1000 A
TQ84
Dis. in mm: 139 x 66 x 66.2
Round conductor: 2 x ⌀ 42 mm
Range: 50 or 600 A
IAP
Dis.: 120 x 122.5 x 43 mm
Window: 40 x 40 mm
Range: 60…1000 A
IAM
Dis.: 159 x 154.5 x 39 mm
Window: 80 x 80 mm
Range: 100…1500 A
IAG
Dis.: 163 x 199.5 x 41 mm
Window: 80 x 125 mm
Range: 500…4000 A
IA23
Dis. in mm: 112 x 92.5 x 40
Pri. bar: 23 x 33 mm
Range: 50 or 600 A
IA80
Dis. in mm: 125 x 158 x 40
Window: 55 x 85 mm
Range: 250…1500 A
IA170
Dis. in mm: 195 x 245 x 40
Window: 85 x 172 mm
Range: 500…6300 A
Conditions of use
|
|
---|---|
Secondary current
|
5 A oder 1 A
|
Nominal frequency
|
50 – 60 Hz
|
max. permissible operating voltage
|
720 V
|
Test voltage
|
3 kV / 1 min
|
Thermal rated continuous current
|
Icth = 1,2 x Ipr
|
Thermal rated short-time withstand current
|
Ith = 60 x Ipr
|
Rated impulse current
|
Idyn = 2,5 x Ith
|
Overcurrent rating (FS)
|
n < 5
|
Insulation class
|
E / F / H
|
Normative standards
|
IEC 61869 Teil 1 + 2 / DIN EN 42600
|
Housing
|
Gehäuse aus selbstverlöschendem PA66 V0 nach UL 94
|
Environmental conditions
|
|
---|---|
Installation location
|
Indoor use
|
Ambient temperature (operation)
|
-40°C … +60°C
|
Ambient temperature (storage / transport)
|
-40°C … +60°C
|
Altitude
|
up to 1000 m
|