Description
The ABB 1MRK002122‑ABR03 is an interface module designed to connect and support protection relay systems in electrical distribution and industrial automation. It provides reliable signal transmission, status monitoring, and control between protective relays and larger control or protection networks, enhancing system safety and responsiveness.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | 1MRK002122‑ABR03 |
| Product Type | Protection Relay Interface Module |
| Country of Origin | Sweden |
| Supply Voltage | 24 VDC |
| Power Consumption | ~5–15 W |
| Dimensions (W × H × D) | ~180 × 120 × 60 mm |
| Weight | ~0.8–1.2 kg |
| Operating Temperature | –20°C to +60°C |
| Mounting | Panel or DIN‑rail compatible |
| Interface Type | Digital/Status I/O signals |
Key Features
- Interfaces protection relays with control systems
- Reliable signal and status communication
- Industrial‑rated design for electrical cabinets
- Compatible with standard automation systems
- Easy installation and wiring
Installation & Operation Guidelines
- Verify correct supply voltage (24 VDC) before installation.
- Mount securely in a dry, clean control cabinet.
- Use shielded wiring for signal connections to reduce noise.
- Label input/output terminals for accurate wiring.
- Disconnect power before servicing or rewiring.
- Avoid exposure to moisture or corrosive conditions.
Routine inspection helps maintain signal integrity and system performance.
Application Areas
- Protection relay systems in substations
- Industrial switchgear interface panels
- Motor control center protection integration
- Power automation networks
- Electrical distribution protection systems
Frequently Asked Questions (FAQ)
Q1: What is the purpose of this interface module?
It connects protection relays to control systems, enabling status and control signal exchange.
Q2: What voltage does it require?
It typically operates from a 24 VDC industrial supply.
Q3: Can it work with various relay brands?
Yes, when signal formats and wiring match system requirements.
Q4: Does it switch high power loads?
No — it interfaces logic and status signals rather than switching power.
Q5: Is configuration required?
Basic wiring and terminal labeling are needed; no complex programming.
Recommended Similar Models
| Model | Description |
|---|---|
| ABB 1MRK002122‑ABR01 | Interface module variant for protection relays |
| ABB 1MRK002122‑ABR02 | Relay I/O interface module |
| ABB CM‑SP | Communication module for protection systems |
| ABB REM543 | Protection relay with interface I/O |
| ABB CP600 | Control panel interface module |
The ABB 1MRK002122‑ABR03 Interface Module enhances protection relay connectivity within electrical systems, offering reliable signal exchange and streamlined integration in industrial and utility environments.
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