REC650 1MRK008514-CB Numerical Bay Control and Protection IED

Manufacturer: ABB (Hitachi Energy)
Model: REC650
Order Code: 1MRK008514-CB
Product Type: Relion 650 Series Bay Control Unit (BCU) Intelligent Electronic Device (IED)
System Series: Relion 650
Analog Inputs: CT current inputs (1 A / 5 A configurable), VT voltage measurement inputs
Core Functions: Bay-level primary equipment control, circuit breaker trip/close operation, disconnector & earthing switch programmable interlocking, synchronism check, energizing check, voltage/current continuous supervision

Category: SKU: REC650 1MRK008514-CB

Description

Product Overview

The ABB REC650 1MRK008514-CB is a numerical bay control and protection IED from ABB’s Relion® 650 series, designed for intelligent control, protection, monitoring, and automation of electrical substation bays. The REC650 platform is positioned between primary switchgear and the station-level automation system, providing coordinated control of circuit breakers, disconnectors, and associated switching equipment. It is particularly suitable for transmission and subtransmission substations where secure switching, configurable interlocking, measurement, and reliable communication are essential.

The REC650 1MRK008514-CB integrates bay-control logic with protection and monitoring functions, allowing status acquisition, switching commands, alarms, measurements, and event information to be handled by one intelligent device. It can be incorporated into IEC 61850-based digital substations as well as established protection and SCADA architectures. The ABB REC650 1MRK008514-CB is therefore useful for both new installations and retrofit projects where dependable bay automation and centralized supervision are required.

In practical power systems, the REC650 1MRK008514-CB helps reduce the amount of separate conventional control hardware required at bay level. Its configurable logic and communication capabilities allow it to coordinate field switchgear with station HMI, SCADA, protection IEDs, and higher-level automation systems, improving operational visibility and simplifying maintenance.

Technical Specifications

Parameter Specification
Product Model REC650 1MRK008514-CB
Manufacturer ABB / Hitachi Energy
Product Family Relion® 650 Series
Product Type Numerical Bay Control and Protection IED
Primary Application Substation Bay Control and Automation
Typical Equipment Circuit Breakers, Disconnectors, Earthing Switches
Protection Configuration-dependent numerical protection functions
Control Circuit-breaker and disconnector control
Interlocking Configurable switchgear interlocking
Synchronism Synchronism-check / synchronizing functions, configuration-dependent
Communication IEC 61850 and configuration-dependent legacy protocols
HMI Local front-panel HMI
Monitoring Measurements, alarms, event and status monitoring
Disturbance Recording Supported
Installation Substation protection/control cabinet
Hardware Configuration Order-code dependent
Ordering Number 1MRK008514-CB

Configuration note: Publicly available listings confirm 1MRK008514-CB as a REC650 ordering number, but some third-party sources incorrectly describe it as a generic “data network module” or assign unrelated electrical specifications. The exact I/O, power supply, communication ports, and application configuration should therefore be verified against the device nameplate and ABB engineering documentation before replacement.

Main Features and Advantages

Integrated bay control
The REC650 1MRK008514-CB is designed to manage bay-level switching and supervision rather than simply providing a single protection function. It can interface with circuit breakers, disconnectors, earthing switches, auxiliary contacts, and control circuits, creating a centralized intelligent control point for the bay.

Secure switching logic
Configurable interlocking logic can evaluate switchgear positions and operating conditions before allowing a control command. This is particularly important in high-voltage substations, where an incorrect switching sequence can cause equipment damage, busbar faults, or unnecessary outages.

REC650

Protection and monitoring integration
The REC650 platform combines control with configurable protection, measurement, monitoring, and recording functions. This allows operators to obtain electrical measurements and equipment status from the same IED that manages bay control, reducing the need for numerous independent auxiliary devices.

Digital substation communication
The platform is designed for integration with modern substation automation architectures and supports IEC 61850-based communication. Depending on the hardware and software configuration, additional communication protocols can be available for integration with legacy SCADA and protection systems.

Local and remote operation
The front-panel HMI allows operators and maintenance engineers to inspect bay status, measurements, alarms, and control information locally. Remote commands can be incorporated through the station automation network, supporting centralized substation operation.

Event and fault analysis
Event and disturbance information can assist protection engineers in determining what occurred before, during, and after a switching or fault event. This is valuable for commissioning, troubleshooting, maintenance, and post-fault analysis.

Retrofit flexibility
Because the REC650 family supports configurable hardware and application packages, the platform can be used in both new substations and modernization projects. However, the exact 1MRK008514-CB configuration must be matched carefully when replacing an installed unit.

Application Fields

The ABB REC650 1MRK008514-CB is primarily suited to transmission and subtransmission substations requiring intelligent bay-level control. It can be deployed in line bays, transformer bays, feeder bays, and other switchgear sections where circuit breakers and disconnectors must be controlled according to defined interlocking and operating sequences.

In utility substations, the device can collect breaker and disconnector positions, process control commands, provide measurements and alarms, and exchange information with station-level SCADA. This allows operators to supervise multiple bays from a centralized control room while retaining local control capability for commissioning and maintenance.

For power-generation facilities, the REC650 1MRK008514-CB can be applied to generator evacuation switchyards, transformer bays, auxiliary-power substations, and high-voltage grid-interconnection facilities. Its control and communication capabilities allow the bay to be integrated into a larger plant electrical automation architecture.

The unit is also applicable to industrial substations serving oil and gas, petrochemical, chemical, mining, metallurgy, and large manufacturing facilities. In these environments, it can coordinate medium- and high-voltage switchgear with PLC, DCS, SCADA, and protection systems, providing a dedicated electrical-bay control layer rather than relying exclusively on process-control equipment.

For IEC 61850 digital-substation projects, the REC650 1MRK008514-CB can form part of a distributed IED architecture in which protection, control, measurement, interlocking, and station communication functions are coordinated through standardized substation communication. Public product references also identify the REC650 family as a bay-control product used for protection, monitoring, and control of power-system equipment.

Related Products

  • REC650 1MRK008514-AA – Closely related REC650 configuration used within the same bay-control platform; the complete ordering code should be checked before considering substitution.
  • REC650 1MRK008514-AB – Another REC650 ordering variant with different configuration characteristics; suitable for comparison during maintenance and spare-parts selection.
  • REC650 A00 – Application configuration for a single breaker in a single-busbar arrangement.
  • REC650 A02 – Double-busbar single-breaker application within the REC650 family.
  • REC650 A07 – Bus-coupler application for substation arrangements requiring dedicated bus-coupler control.
  • REC670 1MRK002814-AC – Related ABB Relion bay-control IED for more advanced substation protection and control applications.
  • REF650 – 650-series feeder protection and control IED, with greater emphasis on feeder protection functions.
  • REL650 – ABB 650-series line protection platform for transmission and subtransmission line applications.
  • RET650 – ABB transformer protection and control IED for transformer bays.
  • REG650 – ABB generator protection and control IED for generator and generator-transformer applications.