TORO-BOX-50X50L Toroidal Current Transformer
MODEL REF: TORO-BOX-50X50L
Torotrans is a premier manufacturer, supplier, and exporter of the TORO-BOX-50X50L Toroidal Current Transformer series. Engineered with 30+ years of manufacturing expertise at our ISO 9001:2015 certified facility in Pune, India, this compact measuring current transformer is built for high-precision AC current sensing, power monitoring systems, and industrial protective relays.
Dimensional Blueprint (mm)
Product Appearance
Circuit Schematic
Electrical & Mechanical Specifications
| Parameter Specifications (TORO-BOX-50X50L) | |
|---|---|
| Primary Current Range | 50 Amp – 200 Amp AC |
| Secondary Output Current | 0.1 Amp or 0.2 Amp |
| Rated Burden (VA Rating) | 0.5 VA |
| Accuracy Class | Class 1.0 (Compliant with IEC / IS standards) |
| Operating Frequency | 50 Hz / 60 Hz |
| High Voltage Insulation Test | 2.0 kV AC between Primary and Secondary (1 min) |
| Winding Insulation Class | Class F (up to 155°C) |
| Outer Insulation Class | Class B (up to 130°C) |
| Operating Temperature Range | -15°C to +70°C |
| Termination Leads | Color-coded Flying Leads (Red: Start, Black: End) |
| Mounting Type | Base plate mounting structure with flexible flying leads |
Key Engineering Features
- High Measuring Accuracy: Designed to maintain strict Class 1.0 measurement accuracy across the primary rating spectrum (50A to 200A).
- Optimized Toroidal Core: Grain-oriented silicon steel toroidal core eliminates core noise and phase shift, maximizing operational efficiency.
- Compact Footprint & Durable Encapsulation: Robust housing design with pre-fitted base plate for rapid assembly into control panels and switchgear assemblies.
- High Dielectric Isolation: Factory tested for up to 2kV AC high-voltage withstand capability to safeguard connected digital metering instruments.
Typical B2B Applications
- Electrical measuring instruments, panel meters, and power transducers.
- Motor control centers (MCC), distribution switchboards, and OEM control panels.
- Sub-station energy management systems and low-voltage current protection devices.
Custom Current Transformer Design Services
Torotrans offers custom winding configurations, special ratio current transformers, and non-standard mechanical housings tailored to buyer specifications. All products undergo ERDA type-test compliance benchmarks.
