The PR260 Earth Leakage Relay is an advanced electronic motor protection relay designed to ensure the safety and efficiency of your motor systems. With its modular design, it accommodates various I/O modules, allowing for flexible motor control modes and state sensing. This relay continuously monitors voltage, current, and temperature, delivering a comprehensive suite of 22 protective functions. Its capabilities include integrated protection, precise motor control, metering, and data-logging, making it ideal for safeguarding three-phase low and medium voltage induction motors, particularly those with medium to high horsepower.
Features
– Panel mounting HMI unit and Din-rail mounting control module.
– Suitable for motors under 0.66KV across any current range.
– HMI unit provides 3-phase current and voltage monitoring along with power measurement.
– Control unit utilizes …/5A CT connection.
– Abundant protection modes can be customized for alarms or trips.
– Various startup modes available for different wiring applications.
– Waveform capture function with 100 lists for easy fault tracing.
– RS-485 network communications for seamless integration.
– Equipped with 4 digital outputs and 7 digital inputs.
– Offers 2 programmable analog outputs as an option.
– Additional modules available for expanded functionality.
– Metallurgical industry
– Chemical processing
– Textile manufacturing
– Other industrial motors and power systems
| Electrical Parameters | Details |
|---|---|
| Auxiliary Power | 85-265Vac/dc |
| Power Consumption | <4 VA |
| Insulation Resistance | >100MΩ |
| Relays | 5A/250VAC, 5A/30VDC (NO contact) |
| Motor Rated Voltage | AC220V / AC380V / AC660V |
| Motor Rated Current | 0.5-200A (internal CT), 200A-820A (external ../5A CT) |
| Leakage Current Sensor | 0-1A (optional) |
| Impulse Withstand Voltage | 4 kV |
