Description
Product Overview
The ABB REF630 TBFNAAAEAAAZDACAXA is a configurable feeder protection and control relay in ABB’s Relion 630 series. It is designed to protect, monitor, measure, and control electrical distribution feeders in utility substations and industrial power systems. Typical installations include overhead-line feeders, cable feeders, and distribution switchgear with radial, looped, or meshed network arrangements. The relay combines protection functions with control logic and operator-interface capabilities in a single intelligent electronic device (IED).
The REF630 supports protection functions such as phase and earth-fault overcurrent protection, thermal overload protection, circuit-breaker failure protection, and voltage-related protection. Depending on the selected hardware, preconfiguration, and licensed or ordered functions, the available feature set may also include directional protection, fault location, autoreclosing, frequency protection, synchro-check, and power-quality monitoring. The relay supports IEC 61850 station-bus communication, including GOOSE messaging, as well as DNP3 over TCP/IP and IEC 60870-5-103. Interface options include copper Ethernet, multimode fiber Ethernet, and optical serial communication, depending on the communication module fitted.
For procurement and maintenance, the complete order code is critical. ABB generates REF630 order codes from the selected housing, application, hardware modules, communication options, and other configuration choices. Two REF630 relays may share the same base model while differing in I/O capacity, communication interfaces, display arrangement, and protection functions. Before replacing TBFNAAAEAAAZDACAXA, compare the complete nameplate code, installed hardware, firmware or product version, protection settings, and PCM600 project. ABB lists REF630 as no longer an active product since 2024, so confirm the availability of support, tested replacement stock, and migration options before planning a long-term maintenance strategy.
Product Introduction
The ABB REF630 is designed for feeder protection and bay control in medium-voltage distribution systems. It combines electrical protection, breaker control, event recording, measurements, and substation communication in one configurable relay.
When replacing the TBFNAAAEAAAZDACAXA variant, verify the complete order code and compare its I/O and communication hardware with the installed unit. Transfer and validate protection settings before returning the feeder to service.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | |
| Complete Order Code | TBFNAAAEAAAZDACAXA |
| Product Family | Relion 630 series |
| Product Type | Feeder protection and control IED |
| Primary Application | Electrical distribution feeder protection |
| Housing | 6U half-19-inch format indicated by the initial T code |
| Protection Functions | Overcurrent, earth-fault, thermal overload, breaker-failure, and other configuration-dependent functions |
| Control Functions | Feeder bay control and circuit-breaker control |
| Communication Protocols | IEC 61850, DNP3 over TCP/IP, IEC 60870-5-103 |
| IEC 61850 GOOSE | Supported |
| Ethernet Interfaces | 100BASE-TX RJ-45 or 100BASE-FX LC, depending on the installed module |
| Serial Communication | Optical serial interface options depend on hardware |
| Auxiliary Supply Options | AC and DC variants are available across the family |
| AC Supply Options | 100, 110, 120, 220, or 240 V AC, 50/60 Hz, depending on the power-supply module |
| DC Supply Options | 24–60 V DC or 48–250 V DC ranges, depending on the power-supply module |
| Maximum Auxiliary Supply Load | 35 W |
| Dimensions | 220 mm wide × 265.9 mm high × 249.5 mm deep for the 6U housing |
| Relay Housing Weight | Approximately 5.5 kg without the local HMI, per the product guide |
| Engineering Software | ABB PCM600 |
| Lifecycle Status | No longer active since 2024, according to ABB |
These specifications describe the family. The exact power supply, communication ports, I/O arrangement, and enabled protection functions for order code TBFNAAAEAAAZDACAXA must be confirmed against its configuration label and applicable product documentation.

REF630 TBFNAAAEAAAZDACAXA
Related Products
- ABB REF615 — Feeder protection relay for distribution systems; compare protection scope and I/O requirements before considering it as an alternative.
- ABB REF620 — Feeder protection and control relay in the Relion family.
- ABB RET630 — Transformer protection and control relay in the 630 series.
- ABB REM630 — Motor protection and control relay in the same series.
- ABB REG630 — Generator protection and control relay.
- ABB COM600 — Substation automation controller that can integrate compatible IEC 61850 protection IEDs.
- ABB PCM600 — Protection and Control IED Manager used for relay engineering, parameterization, and configuration.
- ABB 630 Series LHMI — Local human-machine interface arrangement for compatible 630-series relays.
These products share an application area or engineering ecosystem; they are not direct replacements for the . Confirm the protection scheme, hardware configuration, and engineering requirements before substituting another relay.
Frequently Asked Questions
Q1: What is the ABB used for?
It is a feeder protection and control relay used to protect, measure, monitor, and control electrical distribution feeders in utility and industrial substations.
Q2: Which communication protocols does the support?
The documented platform supports IEC 61850, including GOOSE messaging, DNP3 over TCP/IP, and IEC 60870-5-103. The physical interface depends on the installed communication module.
Q3: Does the complete order code determine the relay’s functions?
Yes. The order code identifies the selected hardware and configuration options. Protection functions and I/O capabilities should be checked against the relay’s nameplate, product guide, and configuration records.
Q4: Can another variant replace TBFNAAAEAAAZDACAXA?
Only after a configuration comparison. Confirm auxiliary supply, current and voltage input ratings, binary I/O, communication interfaces, display arrangement, and required protection functions. A shared model designation does not guarantee identical hardware.
Q5: What software is used to configure the ?
ABB PCM600 is used for protection and control engineering, parameter settings, application configuration, communication engineering, and related maintenance tasks. Use the appropriate connectivity package and software version for the installed relay product version.
Q6: What should be done before replacing the relay?
Back up the existing settings and project, record the complete order code and firmware or product version, confirm the replacement’s hardware configuration, and validate the protection settings and trip logic. Commissioning should include the required secondary-injection, I/O, communication, and trip-circuit checks under the site’s approved procedures.
Q7: Is the still an active ABB product?
ABB’s product page identifies the as no longer active since 2024. For an existing installation, confirm current support, available spare units, and any approved successor or migration plan with ABB before making a procurement decision.
