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ABB RET620E-1G NBTNAANNNBA1BNN11G Numerical Protection Relay
Original price was: $5,800.00.$3,060.00Current price is: $3,060.00.
The ABB RET620E-1G (Order No.: NBTNAANNNBA1BNN11G) is a specialized numerical protection relay of the Relion® series, designed for protecting medium-voltage power distribution lines and feeders, featuring precise overcurrent/earth fault protection, fault recording, and seamless substation automation integration.
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Description
| Parameter | Details |
|---|---|
| Model | RET620E-1G (Order No.: NBTNAANNNBA1BNN11G) |
| Manufacturer | ABB |
| Product Type | Numerical Protection Relay (Relion® Series, for Medium-Voltage Lines/Feeders) |
| Core Functions | Line/feeder overcurrent protection; earth fault protection (residual current/voltage-based); auto-reclosing; fault recording & event logging; remote monitoring/control |
| Input Current Range | 1 A AC or 5 A AC (secondary current from CTs) |
| Input Voltage Range | 57.7 V AC (line-neutral) or 100 V AC (line-line, secondary voltage from VTs) |
| Protection Settings | Overcurrent pickup: 0.5-10×In; Time delay: 0.01-300 s; Earth fault pickup: 0.1-5×In |
| Measurement Accuracy | Current: ±0.5% of rated value; Voltage: ±0.5% of rated value; Power: ±1.0% of rated value |
| Fault Recording | Up to 50 fault records; Sampling rate: 1000 samples/s; Pre-fault: 20 cycles; Post-fault: 80 cycles |
| Communication Interfaces | 2×Ethernet (10/100 Mbps, RJ45; supports IEC 61850, Modbus TCP); 1×RS-485 (Modbus RTU) |
| Digital I/O | 12 digital inputs; 8 digital outputs (relay type, 5 A/250 V AC max per channel) |
| Power Supply | 24/48/110/220 V DC ±20%; 110/230 V AC ±20% (50/60 Hz) |
| Power Consumption | 12 W max (DC supply); 15 W max (AC supply) |
| Operating Temperature Range | -25°C to +70°C |
| Storage Temperature Range | -40°C to +85°C |
| Relative Humidity | 5% – 95% RH (non-condensing, no dew formation) |
| Protection Rating | IP40 (front panel); IP20 (rear terminals, when installed in cabinet) |
| Dimensions (W × H × D) | 144 mm × 100 mm × 190 mm |
| Weight | 2.2 kg |
| Mounting Type | Panel-mounted (19-inch rack, 1U height) |
| Certifications | CE, UL, CSA, IEC 61850 (Ed. 2.1), IEC 60255-1 (protection relay standards) |
| Key Features | 128×64 pixel monochrome LCD display; LED status indicators (power, run, fault, communication); IRIG-B/SNTP time sync; password-based access control |
| System Compatibility | Substation automation systems; ABB 800xA DCS; industrial SCADA; other Relion® series relays |
| Applications | Medium-voltage power distribution lines; industrial feeders; commercial building power networks; renewable energy (solar/wind) distribution circuits |
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