Description
ABB 1MRK000614-ABR02 Binary Output Module
Product Introduction
When an installed protection system loses an output board, the replacement has to match more than the connector and physical dimensions. ABB 1MRK000614-ABR02 is identified as a binary output module with 24 output relays, belonging to ABB’s older protection and control hardware. ABB catalog information identifies the base 1MRK000614-AB product as a 24-relay binary output module, while the ABR02 designation identifies a particular hardware variant.
This is board-level protection hardware, not a general-purpose S800 or AC 800M I/O module. Secondary identification records also associate 1MRK000614-ABR02 with EFORE 1MRK000007-6 / 93-1001-01. That cross-reference is useful when inspecting an existing spare, but it should not replace verification of the physical PCB marking, host protection relay, and hardware revision.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | 1MRK000614-ABR02 |
| Manufacturer | ABB |
| Product Type | Binary Output Module / Relay Output Board |
| Base Product | 1MRK000614-AB |
| Output Type | Relay / binary output |
| Number of Output Relays | 24 |
| Product Application | Protection and control systems |
| Hardware Format | PCB / internal module |
| Associated EFORE Reference | 1MRK000007-6 |
| Associated EFORE Part | 93-1001-01 |
| Operating Temperature | -20 to +60°C reported by secondary documentation |
| Storage Temperature | -40 to +80°C reported by secondary documentation |
| Supply Voltage | Verify against host equipment; secondary sources conflict |
| Output Current | Do not use generic 2 A claims without checking the exact relay contact specification |
| Switching Voltage | Verify from the applicable ABB hardware documentation |
| Installation | Internal dedicated equipment slot |
| Protection Rating | Verify at host-equipment level |
| Hardware Revision | ABR02 |
The 24-output-relay identification is the strongest documented specification. Secondary sources disagree on other electrical details: one source reports 24 VDC/2 A, another describes relay contacts up to 250 VAC/5 A, and another incorrectly describes the same part as a power-supply module. Those claims should not be treated as interchangeable engineering specifications.
Application Scenarios & Pain Points
Protection Relay Output Replacement
The module is intended for applications where the installed ABB protection/control architecture requires multiple relay outputs for external control circuits. The 24-relay configuration allows a single internal board to handle a substantial number of binary output functions.
1MRK000614-ABR02
Breaker and Control-Circuit Interfaces
Binary relay outputs in protection systems are commonly used for control and signaling functions such as breaker commands, alarms, interlocks, and status-related outputs. The exact assignment depends on the host relay configuration and engineering application.
Legacy Protection-System Maintenance
This part is particularly relevant to maintenance teams supporting older ABB protection installations. The hardware is no longer a mainstream new-system I/O choice, so maintaining a correctly identified spare can be important where a full protection-system migration is not immediately planned.
PCB-Level Repair or Replacement
The board should be evaluated as an internal component. Before installation, compare the existing board’s identification label, revision, connectors, and host-device compatibility.
Major Features and Advantages
24 Relay Outputs
The defining feature of the ABB 1MRK000614-AB family is its 24 output relays. This provides a high-density binary-output arrangement within the protection-system hardware.
Protection-System Integration
Unlike a standard PLC relay-output card, this module is associated with ABB protection equipment. Its output assignments and operating behavior therefore depend on the host IED’s hardware and configuration.
Revision-Specific Hardware
The suffix should be retained in procurement records. A generic 1MRK000614-AB description is not enough when an installed system requires an exact spare.
EFORE Cross-Reference
Secondary market identification records associate the ABB number with EFORE 1MRK000007-6 / 93-1001-01. This can help when comparing physical markings on legacy inventory.
Related Products
- ABB 1MRK000614-AB — base product designation for the binary output module with 24 output relays.
- ABB 1MRK000614-ABR00 — related revision/order variant of the same 1MRK000614 family; verify hardware compatibility before substitution.
- EFORE 1MRK000007-6 — secondary cross-reference reported for the
hardware. - EFORE 93-1001-01 — additional identifier reported with the same physical assembly.
- ABB 1MRK000508-BBR00 — related ABB protection/control board reference, but not a confirmed replacement.
- ABB 1MRK002133-ABR03 — another ABB protection-system control-board reference; function and compatibility differ.
- ABB 1MRK002247-AGR00 — Relion 670 transformer input hardware; different function and should not be substituted for the binary-output board.
Related part numbers are provided for identification only. They should not be treated as drop-in replacements without ABB hardware documentation and host-system verification.
Engineer’s Guide — Field Pitfalls to Avoid
1. Do Not Confuse the Base Number With the Complete Ordering Code
The base 1MRK000614-AB identifies the 24-relay binary-output product, but the actual spare should be matched using the complete 1MRK000614- marking.
2. Do Not Trust Generic Electrical Specifications
This part has inconsistent secondary listings. One source describes it as a 24-relay binary-output module, another gives 250 VAC/5 A relay contacts, while another describes 24 VDC/2 A. That is enough reason to verify the actual relay contact rating from the installed system documentation before switching a field circuit.
3. Verify the Host Protection Device
The board is not a universal PLC output card. Confirm the exact ABB protection relay, internal slot, hardware configuration, and board revision before installation.
4. Check Output Assignment
A replacement board may power up correctly while the output mapping is still wrong. Verify breaker-trip, alarm, interlock, lockout, and other output assignments against the approved protection/control schematic.
5. Inspect Relay Contacts
For a used or long-stored board, inspect the relay contacts and connectors carefully. Mechanical wear, oxidation, contamination, or storage-related degradation can affect field performance even when the PCB looks visually clean.
6. Confirm Actual Condition
Some catalog records classify the part as discontinued, while other suppliers continue to list it as available. That means inventory status should be established from the actual unit, not inferred from a database listing.
FAQ
What is ABB 1MRK000614-?
It is an ABB binary output module with 24 relay outputs, used as board-level hardware in ABB protection and control equipment. The base 1MRK000614-AB catalog description identifies the product as a 24-output-relay binary output module.
How many outputs does 1MRK000614- have?
The strongest available product identification specifies 24 output relays.
Is 1MRK000614- a PLC output module?
It is better classified as ABB protection-system binary output hardware, rather than as a general-purpose PLC I/O module. Its compatibility depends on the host protection/control equipment.
Is 1MRK000614- the same as EFORE 1MRK000007-6?
Secondary identification records associate the ABB part with EFORE 1MRK000007-6 and 93-1001-01. These cross-references can assist physical identification, but they should be confirmed against the actual PCB before procurement.
What is the difference between 1MRK000614-ABR00 and ?
Both appear in legacy ABB protection/control spare catalogs as 1MRK000614-series control-board references. The available public evidence does not establish that ABR00 and are universally interchangeable. Treat the revision as significant and match the installed board marking.
Can the relay outputs switch 250 VAC or 5 A?
A secondary supplier claims up to 250 VAC/5 A, but that specification is not sufficiently corroborated by an ABB primary document found for this exact part. It should not be used as the engineering acceptance limit without checking the applicable ABB documentation or relay-contact specification.
What should procurement verify before buying this spare?
Request photographs showing 1MRK000614-, any EFORE/secondary board number, PCB revision, connector arrangement, and serial or manufacturing markings. Confirm the host relay model and output-circuit requirements. For a protection-critical application, functional testing of all relay outputs should be documented before the board is returned to service.
What condition should be expected?
The part number alone does not establish whether a unit is new, unused surplus, refurbished, or previously installed. The actual board condition, relay-contact condition, revision, and test status should be verified independently.
