Current Transformer Size - China Manufacturer for Industrial Power
As a {China} {Manufacturer}, I understand what pushes B2B buyers to act fast—reliability, precise measurement, and quick delivery. My catalog centers on the {Current Transformer Size} that fits a wide range of panels and metering schemes. I design CTs with tight accuracy class, low phase error, and suitable burden ratings so protection relays and meters stay aligned. Whether you need compact CTs for space-limited cabinets or rugged units for harsh environments, I provide the right option with durable housings and easy mounting. From production in China, I ensure quality with standardized insulation, tested windings, and consistent lot testing. I offer flexible customization—secondary current, winding material, and terminations—to fit your exact specs and timelines. If you’re sourcing for power distribution, energy metering, or industrial automation, tell me your required {Current Transformer Size} and I’ll prepare a competitive quote.
Current Transformer Size Ahead of the Curve Trusted by Pros
Current transformers are the backbone of protection and measurement in modern power systems. The latest CT designs shrink footprints without sacrificing accuracy, enabling compact switchgear, downtown substations, and space-constrained installations. Advances in core materials and winding geometry deliver stable ratio accuracy, lower losses, and improved transient performance. Modular housings and standardized interfaces simplify field mounting and broaden application fit while maintaining calibration across temperature and load changes. For global buyers, focus on performance, standards, and total cost of ownership. Look for IEC/IEEE accuracy, insulation, and short-circuit ratings, plus options for digital integration and fault indication. Configurable ratios, burden, and wiring should fit protection and metering needs. Reliable suppliers provide rigorous testing, traceable calibration, and global logistics, helping projects stay on schedule and deliver long-term value.
| Model | Primary Current (A) | Secondary Current (A) | Turns Ratio | Burden (VA) | Accuracy Class (%) | Knee Point Voltage (kV) | Core Type | Size (HxWxD mm) | Weight (kg) | Insulation Class |
|---|---|---|---|---|---|---|---|---|---|---|
| CT-100 | 100 | 5 | 20:1 | 2 | 0.5% | 2.5 | Laminated Si-Fe | 60 x 65 x 45 | 0.95 | H |
| CT-200 | 200 | 5 | 40:1 | 5 | 0.5% | 3.0 | Laminated Si-Fe | 68 x 74 x 50 | 1.40 | H |
| CT-400 | 400 | 5 | 80:1 | 7 | 0.2% | 4.5 | Nanocrystalline | 75 x 90 x 60 | 2.10 | F |
| CT-600 | 600 | 5 | 120:1 | 12 | 0.2% | 5.0 | Nanocrystalline | 82 x 100 x 70 | 3.00 | F |
| CT-1000 | 1000 | 5 | 200:1 | 20 | 0.2% | 6.0 | Nanocrystalline | 90 x 115 x 80 | 4.20 | F |
| CT-150 | 150 | 1 | 150:1 | 0.5 | 0.5% | 2.2 | Laminated Si-Fe | 55 x 60 x 40 | 0.65 | H |
| CT-250 | 250 | 5 | 50:1 | 6 | 0.5% | 3.2 | Laminated Si-Fe | 62 x 75 x 52 | 1.25 | H |
| CT-500 | 500 | 5 | 100:1 | 10 | 0.5% | 4.0 | Laminated Si-Fe | 70 x 92 x 60 | 1.80 | H |
| CT-6000 | 6000 | 5 | 1200:1 | 80 | 0.2% | 7.5 | Nanocrystalline | 120 x 150 x 110 | 9.00 | H |
| CT-75 | 75 | 5 | 15:1 | 1 | 0.5% | 2.0 | Laminated Si-Fe | 52 x 58 x 38 | 0.58 | F |
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