Overview
The Shanghai Medar SM303-0699V1 is an industrial-grade current transformer designed for accurate current measurement and signal conditioning in electrical distribution and control systems. This current pick-up coil operates at a 0.5kV voltage rating with a 600/5A current ratio, making it suitable for medium-voltage measurement and control applications in manufacturing, power distribution, and industrial automation environments.
Key Features
- Current ratio: 600/5A for proportional signal output
- Voltage rating: 0.5kV (500V) for industrial medium-voltage applications
- Compact design suitable for switchboard and panel mounting
- Reliable current measurement for control and metering circuits
- Industrial-grade construction for harsh operating environments
Technical Specifications
- Primary Current Rating: 600A
- Secondary Current Output: 5A
- Voltage Rating: 0.5kV (500V)
- Current Ratio: 600/5
- Transformer Type: Current Pick-Up Coil
- Operating Frequency: 50/60Hz
- Manufacturer: Shanghai Medar Welding
- Part Number: SM303-0699V1
- Condition: Used, fully functional
Typical Applications
- Industrial control and measurement circuits
- Electrical panel and switchboard mounted metering
- Power distribution monitoring and protection systems
- Signal conditioning for automation control systems
- Three-phase power system measurement and analysis
- Current-dependent protective relay circuits
Compatibility & Replacements
Compatible With
- Industrial power distribution panels (50/60Hz)
- Electrical measurement and metering systems
- Control systems requiring 5A standardized output
- Medium-voltage switchgear and distribution equipment
- Protective relay circuits and monitoring equipment
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. Current transformer replacement requires verification of primary/secondary impedance, burden, and burden class matching to ensure proper operation and protection coordination.
Works With
- Industrial power metering instruments and devices
- Protective relays (overcurrent, differential, distance)
- Power analyzers and quality monitoring equipment
- PLC analog input modules (via appropriate signal conditioning)
- SCADA systems for distribution monitoring
- Electromechanical and digital protective devices
