ABB RET541 Transformer Protection Terminal
ABB RET541 Transformer Protection Terminal Supplier and Exporter in India
ABB RET541 Legacy Spare and Replacement Enquiries
ABB RET541 is a legacy transformer protection terminal used for two-winding transformers and generator-transformer units. ABB lists the product as not active since 2022. For price and availability, send the complete ABB order code, nameplate, quantity and destination country.
Description
ARP IMPEX supplies and exports ABB RET541 transformer protection terminals for existing transformer protection panels, substations and power systems.
RET541 belongs to ABB’s RET54x transformer terminal family. It combines transformer protection, control, measurement and supervision in one unit. The terminal is mainly used with two-winding power transformers and generator-transformer units.
Depending on the configuration, RET541 can provide transformer differential protection, restricted earth-fault protection, overcurrent protection, earth-fault protection, thermal overload protection and phase-unbalance supervision. Control and monitoring functions are also available within the same terminal.
ABB supplied RET541 in different hardware and functionality versions, so the complete order code should be checked before quoting a matching unit.
If you are looking for ABB RET541 price, legacy spare availability or replacement, send us the complete part number and a clear photograph of the existing nameplate.
Technical Specifications
- Brand: ABB
- Series: RET54x / RE500
- Model: RET541
- Product type: Transformer protection and control terminal
- Product status: Legacy / not active since 2022
- Main application: Two-winding transformer protection
- Generator-transformer protection: Available
- Digital inputs: 15
- Transformer differential protection: Available
- Restricted earth-fault protection: Available
- Overcurrent and earth-fault protection: Available
- Thermal overload protection: Available
- Control and measurement: Available
- Communication: Depends on installed version
- Automatic voltage regulation: Available on applicable configurations
The exact protection and control functions should be checked from the installed RET541 configuration.
Features
- Transformer differential protection
- Restricted earth-fault protection
- Backup overcurrent protection
- Earth-fault protection
- Thermal overload protection
- Phase-unbalance supervision
- Circuit-breaker control
- Transformer measurement and monitoring
- Trip-circuit supervision
- Programmable interlocking
- Local operating display
- Communication with substation systems
These functions can differ between RET541 versions, so the model name alone should not be used to select a replacement.
Applications
ABB RET541 is used for:
- Two-winding power transformers
- Distribution transformer protection
- Transformer differential protection
- Generator-transformer units
- Restricted earth-fault protection
- Transformer backup protection
- Utility substations
- Power plants
- Industrial power systems
- Transformer control panels
- On-load tap-changer applications
- Existing ABB RET54x installations
ABB RET54x Transformer Terminal Family
The ABB RET54x family includes RET541, RET543 and RET545.
ABB RET541
RET541 is the lower-I/O version of the family and is used where the required number of control and indication points is comparatively lower.
ABB RET543
RET543 provides more digital inputs and is suitable where additional control, interlocking or indication points are required.
ABB RET545
RET545 has the highest I/O capacity in the RET54x family and is used in transformer schemes with more extensive control and signalling needs.
RET541, RET543 and RET545 belong to the same family, but they should not automatically be treated as interchangeable. The installed hardware, I/O and configuration should be checked first.
ABB RET541 Legacy Spare and Replacement Availability
ABB RET541 is no longer an active product, but the model is still found in existing transformer protection systems.
ARP IMPEX can assist with:
- ABB RET541 part-code checking
- Nameplate matching
- RET541 legacy spare enquiries
- RET541 / RET543 / RET545 requirements
- Replacement enquiries
- Single and multiple quantities
- ABB technical documentation
- Export packing
- International shipping
For an ABB RET541 replacement or spare enquiry, please send:
- Complete ABB order code
- Clear nameplate photograph
- Hardware/software revision, if available
- Quantity
- Destination country
- Required delivery date
Why Buy ABB RET541 from ARP IMPEX?
ARP IMPEX supplies ABB protection relays and terminals for utilities, power plants, EPC contractors, industrial companies, panel builders and maintenance companies.
We can help with:
- Part-number checking
- Legacy spare availability
- Matching the existing RET541 unit
- Single-piece and bulk quotations
- Export packing
- International shipment
Request a Quote for ABB RET541
For ABB RET541 price and availability, send:
- Complete RET541 part/order number
- Clear nameplate photograph
- Quantity
- Destination country
- Required delivery date
If the order number is not readable, send clear photographs of the terminal front and nameplate.
Send your ABB RET541 part code, quantity and destination country to ARP IMPEX for availability and export quotation.



