Product Description
ABB 1MRK0023505-AA is an internal I/O input and output board for Relion 670 series protection IEDs. It adopts backplane pluggable design and is compatible with REL670, RET670, REB670 and other 670 series protection relays. This module provides multi-channel binary signal acquisition and relay trip output circuits. It can collect external status signals and drive trip, alarm and interlock contacts. Featuring channel isolation, circuit self-diagnosis and high EMC immunity, it is a critical component for binary signal acquisition and control output of protection IEDs, commonly supplied as substation protection spare parts, manufactured in Sweden.
Specifications
- Part No.: 1MRK0023505-AA
- Brand: ABB
- Series: Relion 670
- Type: I/O Input & Output Board
- Compatible IEDs: REL670, RET670, REB670 and other 670 series protection relays
- Mounting: Internal backplane plug-in
- Functions: Binary status acquisition, relay trip/alarm output, interlock logic output
- Supporting software: PCM600
- Isolation: Galvanic isolation per channel
- Operating Temperature: -20℃ ~ +70℃
- Storage Temperature: -40℃ ~ +85℃
- Origin: Sweden
Application
It is used in high-voltage substation line protection, transformer protection and busbar protection IEDs. It collects status signals of circuit breakers, disconnectors and pressure signals, and outputs protection trip, alarm and interlocking commands. It is applied for I/O channel expansion and replacement of faulty I/O boards, widely used as spare parts for digital substation automation systems.
Similar Part Numbers
1MRK0023505-AA 1MRK0023505-AB 1MRK0023505-AC 1MRK0023505-AD
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