ABB RET620E-1G NBTNAANNNBA1BNN11G
This specific order code decodes to a standard RET620 model with a particular set of hardware and software options. The parameters below cover the core technical specs of the RET620 platform, with notes on what this specific configuration includes.
Breaking down the code helps understand the exact configuration:
RET620: Product family (Feeder Protection Relay).
E: Ethernet communication (built-in switch).
-1G: 1 GB internal storage for event recordings.
N: Standard housing (IP20).
B: 24-60 V DC power supply.
T: 4x TRM (Teleprotection) modules.
N: No HMI (Human-Machine Interface, i.e., no front display).
A: 4x AI (Analog Input) modules.
A: 16x BI (Binary Input) modules.
N: No BO (Binary Output) modules in slot N.
N: No BO (Binary Output) modules in slot O.
N: No BO (Binary Output) modules in slot P.
B: 8x BO (Binary Output) modules in slot Q.
A: ANSI standard symbol library.
1: English language.
B: IEC 61850 edition 2.0 communication protocol.
N: No pre-configured application (will be configured in PCM600).
N: No additional protocol (like DNP3 or IEC 60870-5-103).
11G: Specific firmware version and functional package (e.g., Feeder Protection with Inrush detection).
In summary, this unit is a headless (no display) relay designed for DC control power, with a heavy emphasis on inputs (16 BI, 4 AI) and teleprotection (4 TRM), with 8 output contacts, and primary communication via IEC 61850.
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