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Introduction
The ABB 1MRK002246-BC Binary Input/Output Module is a compact and high-reliability digital interface unit designed for ABB protection, control, and substation automation platforms. It is engineered to handle fast binary signal exchange between field devices and intelligent electronic devices (IEDs), ensuring accurate status monitoring and reliable switching control in mission-critical power and industrial systems.
This module is commonly used within ABB Relion®-based protection architectures, where stable digital I/O performance is essential for breaker control, interlocking logic, alarm processing, and system-wide coordination.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model Number | 1MRK002246-BC |
| Product Type | Binary Input / Output Module |
| System Compatibility | ABB Relion / Substation Automation / IED platforms |
| Function | Digital signal acquisition and relay output handling |
| Input Channels | Typically 16 digital inputs (variant dependent) |
| Output Channels | Relay-based binary outputs (configurable system mapping) |
| Input Voltage | 24 V DC nominal |
| Signal Type | Dry contact / wet contact compatible |
| Output Switching Type | Electromechanical relay outputs |
| Output Rating | Up to 250 V AC/DC (system dependent) |
| Switching Current | Up to 5 A per contact (typical relay class) |
| Isolation | Galvanic isolation between channels and system bus |
| Response Time | Millisecond-level operation for protection logic |
| Communication Interface | IED backplane / station bus integration |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5–95% non-condensing |
| Protection Class | IP20 (panel / rack-mounted environment) |
| Mounting Type | Plug-in module for ABB protection IED chassis |
| Dimensions (H×W×D) | ~100 mm × 35 mm × 60 mm |
| Weight | ~0.2–0.4 kg |
