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Type Current Ratio VA Burden
SC1–100 100/5 A 2.5
SC1–150 150/5 A 2.5
SC1–200 200/5 A 5
SC1–400 400/5 A 5
Split Core Current Transformers
Resin InsulatedClass 1 Metering GradeSize 1
Taped Insulated
Splitting
Re�ttingSecure clamp by tightening screw
Type Current Ratio VA Burden
SC2–200 200/5 A 5
SC2–300 300/5 A 5
SC2–400 400/5 A 5
SC2–500 500/5 A 5
SC2–600 600/5 A 5
SC2–800 800/5 A 5
SC2–1000 1000/5 A 5
SC2–1200 1200/5 A 5
Single RatioSize 2
Fixing Dimensions
Fixing Dimensions
Type Current Ratio VA Burden
SC3–1200 1200/5 A 5
SC3–1500 1500/5 A 5
SC3–1600 1600/5 A 5
SC3–2000 2000/5 A 5
Size Current Dimensions Range A B C D E F G H
2 200–1000 A 133 126 38 98 28 68 63 52
3 1200–3000 A 177 175 38 130 45 110 95 80
Size 3
Ring Type Split Core Current Transformers
Size A B C D1 32 88 12 352 45 95 12 303 65 115 12 254 85 145 12 305 105 165 12 30
Technical Speci�cation
• Conforms to IEC 185/BS7626 and BSNE60044-1 / IEC 60044-1• Rated Systems Voltage 0.72/3KV• Ambient Temperature range -30ºC to 80ºC• Frequency Range 50-60Hz• Insulation Level 3KV for 1 minute• Continuous Current, 1.2 x rated Current
Type Primary VA Class Inside Current (A) Diameter (mm)
RTCT-1 100 1.5 1 32
150 5 1
200 5 1
300 5 1
RTCT-2 400 5 1 45
500 5 1
600 5 1
RTCT-3 800 5 1 65
1000 5 1
RTCT-4 1200 5 1 85
1250 5 1
1500 5 1
1600 5 1
RTCT-5 2000 5 1 105
2500 5 1
3000 5 1
Sizes available
37 mm
107 mm
48 mm
45 dia.
118 mm
48 mm
59 mm
H
A
G
F
ED
C
B
D
A BC
To separate the cores turn the screw anti- clockwise and loosen.
Push the upper core out sideways, leaving the clip in place.