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ABB RET670 1MRKO02816-AC｜Transformer Protection Relay｜
Key Technical Parameters
Parameter Specification
Model RET670 (1MRK002816-AC)
Type ANSI Transformer Protection and Control IED
Rated Power Supply Wide range 90–250 V DC/AC; optional 24 V DC / 230 V AC
CT / PT Ratings CT: 1 A / 5 A; PT: 100 V / 110 V (configurable)
I/O Configuration Up to 32 digital inputs and 32 digital outputs, with multiple analog measurement channels
Communication Interfaces Dual Ethernet (PRP/HSR), RS485, USB
Operating Temperature −25 °C to +55 °C
Storage Temperature −40 °C to +85 °C
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