ABB REF542 Bay Control and Protection Unit
ABB REF542 Bay Control and Protection Unit Supplier and Exporter in India
ABB REF542 Legacy Spare and Replacement Enquiries
ABB REF542 is a legacy bay control and protection unit used in medium-voltage switchgear for protection, measurement, monitoring and control. ABB lists REF542 as not active since 2001. For price and availability, send the complete part number, nameplate, quantity and destination country.
Description
ARP IMPEX supplies and exports ABB REF542 bay control and protection units for existing medium-voltage switchgear and substation installations.
REF542 combines the work of a protection relay and a bay control device in one unit. ABB used the product in power-distribution switchgear where protection, breaker control, measurements, monitoring and communication were required at bay level.
The unit has a local operating interface with a display for switchgear status and control. Its functions can be configured according to the feeder or switchgear application, so two REF542 units may not necessarily have the same protection and I/O arrangement.
REF542 is found under the earlier ABB switchbay-control generation and was later followed by REF542plus. ABB states that REF542plus was developed as the revised successor to REF542 and was functionally compatible with its predecessor in most respects.
For ABB REF542 price, legacy spare availability or replacement enquiries, send us the exact product code and a clear photograph of the installed unit. This helps identify the correct REF542 configuration before quotation.
Technical Specifications
- Brand: ABB
- Model: REF542
- Product type: Bay control and protection unit
- Product status: Legacy / not active since 2001
- Main use: Medium-voltage switchgear protection and control
- Protection: Configurable according to application
- Measurement: Electrical measurement functions
- Monitoring: Switchgear and bay monitoring
- Control: Local and remote switching control
- Local interface: Display and operating controls
- Binary I/O: Configurable according to hardware arrangement
- Communication: Connection to substation automation systems
- Self-monitoring: Device supervision functions
- Automation: Bay-level control and interlocking functions
Features
- Feeder and bay protection functions
- Circuit-breaker control
- Local and remote operation
- Current and voltage measurement
- Switchgear status monitoring
- Bay-level interlocking
- Alarm and fault indication
- Configurable binary inputs and outputs
- Communication with higher-level control systems
- Local graphical operating interface
- Substation automation functions
- Internal device supervision
REF542 was designed as more than a basic feeder relay. The combination of protection and switchgear control is the main reason ABB refers to it as a bay control and protection unit.
Applications
ABB REF542 can be found in:
- Medium-voltage feeder panels
- Incoming feeder bays
- Outgoing feeder bays
- Distribution substations
- Industrial switchgear
- Utility power distribution
- Circuit-breaker control panels
- Cable feeder protection
- Switchgear bay automation
- Local and remote feeder control
- Substation automation systems
- Existing ABB medium-voltage switchgear
ABB states that REF542 was installed in a large number of power-distribution switchgear systems worldwide.
ABB REF542 and REF542plus
REF542 is not part of the REF541 / REF543 / REF545 family. It belongs to a different ABB product line.
The related product progression is:
ABB REF542
The original bay control and protection unit combining measurement, monitoring, protection, control and communication.
ABB REF542plus
REF542plus was the later generation of the product. It retained the same general bay-control concept while adding more functions and newer communication capabilities.
ABB REF542 Legacy Spare and Replacement Availability
ABB lists REF542 as a discontinued legacy product and documents replacement kits for existing REF542 installations. ABB’s legacy product page also retains information on retrofit arrangements for these units.
For an ABB REF542 replacement or spare enquiry, please send:
- Complete ABB REF542 part/order number
- Clear nameplate photograph
- Photograph of the front operating unit
- Quantity required
- Destination country
- Required delivery date
If available, existing switchgear or panel details can also help when the enquiry involves replacement rather than an identical legacy spare.
Why Buy ABB REF542 from ARP IMPEX?
ARP IMPEX supplies ABB protection and control products for B2B and export enquiries.
We can assist with:
- ABB REF542 part-code checking
- Nameplate identification
- Legacy spare availability
- REF542 replacement enquiries
- REF542plus enquiries
- Single and multiple quantities
- ABB technical documentation
- Export packing
- International shipping
We work with enquiries from utilities, EPC contractors, industrial plants, power companies, panel builders, maintenance companies and electrical traders.
Request a Quote for ABB REF542
For ABB REF542 price and availability, send:
- Complete REF542 part number
- Clear nameplate photograph
- Quantity
- Destination country
- Required delivery date
If the complete number cannot be read, send clear photographs of the REF542 front panel and nameplate.
Send your ABB REF542 part code, quantity and destination country to ARP IMPEX for availability and export quotation.
