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Description
Product Description
Motor Protection Relays are critical devices used to protect electric motors from electrical faults and other conditions that could lead to motor damage or failure. These relays monitor parameters like current, voltage, frequency, temperature, and rotation to detect abnormal conditions and automatically disconnect the motor from the power supply when issues are detected. This ensures the motor remains safe, preventing costly repairs or downtime.
Specification
SPECIFICATION
| Functions | |||
| RMS Voltage | 20 - 600Vrms (Accuracy : ±0.5% FS + 1 dgt.) | Refresh Rate | Per 8.0ms |
| RMS Current | 0.020 - 10.00Arms (Accuracy : ±0.5% FS + 1 dgt.) | Maximum Overload | Voltage : 1.2 Times Continuous Current : 2 Times Continuous |
| Active Power | 0.030 - 6.000 KW (Accuracy : ±0.5% FS + 1 dgt.) | Auxiliary Supply | 150-300V AC, 45-270V AC/DC, 19-60V AC/DC |
| Apparent Power | 0.030 - 6.000 KVA (Accuracy : ±0.5% FS + 1 dgt.) | VA Burden (Typical) | |
| Reactive Power | 0.030 - 6.000 KVAR (Accuracy : ±1.0% FS + 1 dgt.) | Auxiliary Voltage Input | < 2.5 VA / Phase |
| Power Factor | 0.3 Lag - 1 - 0.3 Lead (Accuracy : ±0.01 PF + 1 dgt.) | Current Input | <0.2 VA / Phase |
| Line Frequency | 45.00 - 65.00 Hz (Accuracy : ±0.1Hz) | Relay Contact | 2 AMPS , 250V AC POTENTIAL FREE |
| Active Energy (KWh) | 000000.00 - 999999.99 Kwh (Accuracy Class 1.0,5) | CT Primary Range | 1A to 50kA AC Programmable |
| Apparent Energy (KVAh) | 000000.00 - 999999.99 KVAh (Accuracy Class 1.0,5) | CT Secondary Range | 0.5A to 5A AC Programmable |
| Reactive Energy (KVArh) | 000000.00 - 999999.99 KVArh (Accuracy Class 1.0,5) | Metering Standard | IEC 62053-21/22 |
| THD (V,I) | Indicative | Installation Category | Cat II (IEC / EN61010 - 1) |
| Faceplate / Lens | Polycarbonate Transparent | Pollution | Degree 2 (IEC / EN61010 - 1) |
| Case / Housing Material | FR-ABS Black | Environment | |
| Connectors / Terminal | Nylon 66, 33%GF, Black / Brass | Calibration | 27°C ± 5°C |
| Mounting Clamps | Sturdy, Moulded Glass Filled Nylon with Screws | Operating | 0° to 50°C, RH < 70% |
| Decimal Point | Auto Scrolling | Storage | -10° to 60°C, RH < 70% |
| Polarity Indication | L (Lagging/Inductive) or C (Leading/Capacitive) | Dielectric Strength | 2.5 KV at 50 Hz for 1 min |
| Fault Indication | Error Code for all faults | Insulation Resistance | > 20 Mohms at 500 V DC |
| Dielectric Strength | 2.5KV @50 Hz for 1 minute between Input - Auxiliary & Case - Terminals | ||
| Impulse Withstand | 3.5 KV, 1.2/50 micro Second | ||