Indoor single-phase epoxy resin casting current transformer dedicated for solid insulation ring main unit, complying with GB/T20840.1, GB/T20840.2, IEC61869-1 and IEC61869-2 standards.
LZZBJ15-10GT is a 10kV indoor current transformer for solid insulation ring main units, ideal for protection and metering in compact switchgear.
| Parameter | Specification | Verification |
|---|---|---|
| Product Type | Current Transformer | [On Request] |
| Model Code | LZZBJ15-10GT | Factory nameplate marking |
| Primary Voltage | 10kV | Rated voltage test (IEC 61869-1/3) |
| Secondary Voltage | [On Request] | Ratio check at rated frequency |
| Accuracy Class | 1P10 | Accuracy test (IEC 61869-2 / IEEE C57.13) |
| Rated Burden | • LMZK1250-10PU: protection winding 1P10 with output 1VA, power winding output 5VA, dimension Φ50/Φ124/H100 • LMZK1150-10PU: protection winding outputs 1.5VA/2.5VA/3.75VA/5VA corresponding to different current grades, power winding fixed 5VA, dimension Φ50/Φ110/H100 | Burden test at rated VA |
| Insulation Type | Dry Epoxy Resin | Dielectric tests per standard |
| Insulation Level (BIL) | [On Request] | Power-frequency & lightning impulse withstand |
| Standards | [On Request] | Certified to listed standards |
| Frequency | 50/60Hz | Per IEC 61869-1 |
| Environment | [On Request] | Per datasheet limits |
Ideal For
Not Recommended For
For CT secondary terminals: use 1S1/1S2 for metering, 2S1-2S2 for protection. Never open-circuit the secondary of a CT while energized - hazardous voltage. Ground the secondary winding at one point per IEC 61869-2.
Compliant with: [On Request]
S_total = ΣS_instrument + I₂² × (ρ × 2L / A)
Q: What is the primary voltage rating?
A: The primary voltage is 10kV.
Q: What standards does it comply with?
A: It complies with GB/T20840.1, GB/T20840.2, IEC61869-1 and IEC61869-2.
Q: Is it suitable for outdoor use?
A: No, it is designed for indoor use in solid insulation ring main units.
Missing fields are marked [On Request] — never fabricated. M2/M5/M6 verification rows follow IEC 61869 / IEEE C57.13 conventions.
| Rated primary current I1n (A) | Accuracy classCombined | Accuracy class & rated output (VA)COSφ=0.8 0.2 | Accuracy class & rated output (VA)COSφ=0.8 0.5 | Accuracy class & rated output (VA)COSφ=0.8 10P15 | Short-time thermal current Ith (kA/S) | Rated dynamic current Idyn (kA) |
|---|---|---|---|---|---|---|
| 50-200 | 0.2/0.5/10P | 10 | 10 | 10 | 80 1in | 200 1in |
| 300-400 | 0.2/0.5/10P | 10 | 10 | 10 | 25 | 62.5 |
| 500-600 | 0.2/0.5/10P | 10 | 10 | 15 | 31.5 | 80 |
| 800 | 0.2/0.5/10P | 10 | 10 | 15 | 45 | 100 |
| 1000-1250 | 0.2/0.5/10P | 10 | 10 | 15 | 63 | 130 |
Dimension & outline drawing of LZZBJ15-10GT — click image to zoom / view original.
