Description

The ABB REM615C D HCMJAEADAND2BNN1CD is a sophisticated numerical motor protection and management relay from the ABB Relion® 615 series, meticulously engineered for the comprehensive protection, control, and monitoring of medium-voltage motors. This specific model, defined by the detailed order code HCMJAEADAND2BNN1CD, represents a fully-configured solution with a precise blend of hardware modules and software applications tailored for demanding motor starting and running conditions. The primary mission of the ABB REM615C D HCMJAEADAND2BNN1CD is to safeguard critical motor-driven assets, such as pumps, fans, compressors, and conveyors, from a wide spectrum of electrical and operational faults, including overload, stall, unbalance, and bearing wear, thereby preventing catastrophic failure and minimizing production losses.

Going far beyond basic overload protection, the ABB REM615C D HCMJAEADAND2BNN1CD acts as an intelligent motor management system. It incorporates a highly accurate thermal model that continuously calculates the thermal capacity used within the motor, accounting for both positive and negative sequence currents, which provides a true representation of motor heating under unbalanced supply conditions. The “C” in its designation and the specific order code indicate a feature set that includes advanced communication protocols, extensive I/O for control logic, and detailed sequence-of-events recording. By deploying the ABB REM615C D HCMJAEADAND2BNN1CD, plant engineers and maintenance managers gain deep insight into motor health and performance, enabling a shift from reactive repairs to proactive, condition-based maintenance strategies, ultimately extending motor life and ensuring operational continuity.

REM615C_D HCMJAEADAND2BNN1CD ABB

Technical Specifications

Parameter Name	Parameter Value
Product Model	REM615C
Manufacturer Order Code	D HCMJAEADAND2BNN1CD
Manufacturer	ABB
Product Type	Numerical Motor Protection and Management Relay
Key Protection Functions	Thermal Overload (RTD-based & model), Stall Protection, Start-up Supervision, Unbalance, Short Circuit, Earth Fault, Undercurrent, Jam Protection
Control Functions	Motor start/stop control, Programmable logic (PLP), Circuit breaker control
Measurement & Monitoring	Currents, Voltages, Power, Energy, Power Factor, Motor Starts Counter, Thermal Capacity Used, RTD Temperatures (from embedded sensors)
Primary Communication	IEC 61850-8-1 (MMS), IEC 61850-9-2LE, Goose messaging
HMI	Graphical LCD display with keypad
Rated Input Current	1 A or 5 A (as per order code)
Auxiliary Supply	48-250 V DC / 110-230 V AC
Operating Temperature	-40 °C to +70 °C
Standards & Certifications	IEC 60255, UL, CE, DNV-GL

Main Features and Advantages

The ABB REM615C D HCMJAEADAND2BNN1CD excels with its comprehensive motor-specific protection suite. Its core is a dual-setting thermal overload protection, which uses a sophisticated mathematical model of the motor’s heating and cooling characteristics. This model, often customizable with motor data from the nameplate, provides a highly accurate representation of the rotor and stator temperature, offering superior protection compared to standard overcurrent relays, especially during frequent starts or in unbalanced voltage situations. The relay also includes dedicated stall protection that instantly recognizes a locked rotor condition during start-up, and a start-up supervision timer that protects the motor from prolonged starting currents.

Advanced Monitoring and Seamless Integration: A significant advantage of the ABB REM615C D HCMJAEADAND2BNN1CD is its integrated condition monitoring and diagnostics. It can directly interface with PT100/PT1000 RTDs embedded in the motor stator and bearings to provide real-time temperature monitoring and alarms. The device also tracks the number of motor starts and provides a start inhibition feature to prevent damage from excessive cycling. Its native support for IEC 61850, including Goose for high-speed inter-tripping and interlocking, makes the ABB REM615C D HCMJAEADAND2BNN1CD a key component in modern industrial communication architectures. This reduces wiring, simplifies system engineering, and enables seamless integration with the wider plant DCS or SCADA system, providing operators with a complete view of the motor’s status and health. The programmable logic (PLP) allows for the creation of custom control sequences directly within the relay, adding a layer of flexibility and reducing the need for external hardware.

Application Field

The ABB REM615C D HCMJAEADAND2BNN1CD is the protection solution of choice for critical medium-voltage motors across a wide range of heavy industries. In the water and wastewater sector, it is essential for protecting large raw water, transfer, and booster pumps, where unexpected motor failure can halt entire municipal systems. In mining and mineral processing, the relay safeguards crushers, grinding mills, and conveyor drives from the high-inertia starts and jam conditions common in these environments. Its robust design is perfectly suited to withstand the dust, vibration, and electrical noise found in such harsh settings.

Within oil and gas and chemical plants, the ABB REM615C D HCMJAEADAND2BNN1CD is deployed to protect motors driving critical compressors, fans, and offshore water injection pumps. In these applications, the relay’s ability to prevent motor burnout is directly tied to preventing massive production losses and ensuring process safety. Furthermore, in power generation facilities, it is used to protect important auxiliary drives like induced draft (ID) and forced draft (FD) fans, boiler feed pumps, and circulating water pumps. The detailed information provided by the ABB REM615C D HCMJAEADAND2BNN1CD on motor performance and thermal history is invaluable for optimizing maintenance schedules and avoiding unplanned downtime, making it a cornerstone of asset management strategies in any industry reliant on medium-voltage motor drives.

Related Products

ABB REM615: The base series model, which this REM615C variant enhances with specific features.

ABB REM620: A more advanced motor protection relay offering additional features like differential protection for very large motors.

ABB REF615: A feeder protection relay from the same 615 platform, often used to protect the circuit supplying the motor.

ABB RET615: A transformer protection relay, commonly protecting the step-down transformer that supplies a motor bus.

ABB REX615: A protection and control device for applications like capacitor banks and arc suppression coils.

ABB CMAK 52: A test switch and connection block used for safely isolating and testing current circuits connected to relays like the REM615C.

ABB PCM600: The universal engineering tool for configuring, setting, and monitoring all Relion 600 series devices, including the REM615C D HCMJAEADAND2BNN1CD.

REM615C_D HCMJAEADAND2BNN1CD ABB

Installation and Maintenance

Pre-installation preparation: Prior to installing the ABB REM615C D HCMJAEADAND2BNN1CD, it is critical to verify that the motor data (full load current, locked rotor current, thermal time constants, etc.) are accurately collected from the motor nameplate and datasheet. The switchgear must be fully de-energized. Confirm the auxiliary supply voltage and CT/PT ratios match the relay’s configuration. The wiring for both power and RTD circuits should be checked for integrity and proper shielding to prevent electromagnetic interference. The specific configuration for the ABB REM615C D HCMJAEADAND2BNN1CD should be prepared using ABB’s PCM600 software to ensure all protection and control functions are correctly enabled and set.

Maintenance recommendations: The ABB REM615C D HCMJAEADAND2BNN1CD requires minimal routine maintenance. Scheduled activities should include visual inspections and verifying that the measured values displayed (currents, temperatures) align with other system indicators. The relay’s extensive self-supervision and diagnostic functions will alert operators to any internal issues. The condition monitoring data, such as thermal capacity used and stator temperatures, should be regularly reviewed to assess motor health. The event log and disturbance recorder of the ABB REM615C D HCMJAEADAND2BNN1CD are essential tools and should be downloaded after any protection trip or at regular intervals for analysis. Firmware updates must be performed by qualified personnel following ABB’s strict guidelines to maintain relay performance and certifications.