$15,600.00 Original price was: $15,600.00.$5,270.00Current price is: $5,270.00.
RET670 1MRK002816-AC is an advanced numerical relay developed by ABB, specifically designed for protection, control, and monitoring of medium and high-voltage power transformers in power transmission and distribution systems.
| Parameter | Value |
|---|---|
| Model Number | RET670 1MRK002816-AC |
| Product Type | Numerical Transformer Protection Relay |
| Power Supply | – Rated Voltage: 110/220 V DC; 100/230 V AC – Voltage Tolerance: ±20% |
| Current Consumption | – DC Supply: Max 5 W (at 220 V DC) – AC Supply: Max 8 VA (at 230 V AC) |
| Operating Temperature Range | -25 °C to +70 °C |
| Storage Temperature Range | -40 °C to +85 °C |
| Dimensions (Width × Height × Depth) | 145 mm × 267 mm × 230 mm |
| Weight | 2.8 kg |
| Protection Functions | Transformer differential protection, overcurrent protection, earth fault protection, overvoltage/undervoltage protection, temperature protection, etc. |
| Communication Interfaces | – 2 × Ethernet (10/100 Mbit/s, RJ45) – 1 × RS485 (Modbus RTU) – 1 × IEC 61850-8-1/9-2 (Sampled Values/GOOSE) |
| Display | 3.5-inch color LCD with backlight, 320 × 240 resolution |
| Inputs/Outputs | – Digital Inputs: 16 (optically isolated) – Digital Outputs: 8 (relay outputs, 250 V AC/30 V DC, 5 A) |
| Isolation Voltage | – Power Supply to Inputs/Outputs: 2.5 kVrms (1 min) – Communication Ports to Ground: 2 kVrms (1 min) |
| Operating Humidity Range | 5% – 95% (non-condensing, no icing) |
| Installation Method | Panel mounting (19-inch rack compatible, 3U height) |
| Compliance Standards | IEC 60255, IEC 61850, IEEE C37.90.1, IEEE C37.112 |
AC 800M is a family of rail-mounted modules, consisting of CPUs, communication modules, power supply modules and various accessories. There are several CPU modules to choose from, ranging from single units with medium processing power and memory to fully redundant units with high processing power.

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