Description
The ABB REM543BM213AAAA is a microprocessor-based motor protection and control terminal belonging to the ABB Rel500 / 500 series (specifically the REF/REM54x feeder and motor terminal family). Designed for medium-voltage industrial and utility applications, this integrated unit provides comprehensive protection, control, measurement, and supervision for asynchronous motors, synchronous motors, and associated switchgear bays.
Technical Specifications
| Parameter | Value |
| Manufacturer | ABB |
| Product Series | REM543 (Motor Management Terminal) |
| Model / Variant Code | REM543BM213AAAA (verify exact module configuration with OEM datasheet) |
| Primary Applications | Medium-voltage motor protection, thermal overload, differential protection, backup control |
| Analog Inputs | Phase current inputs, residual current inputs, phase voltage inputs, residual voltage inputs |
| Auxiliary Voltage | Typically configurable for wide-range DC/AC auxiliary power supplies (verify version specifics) |
| Communication Interfaces | SPA bus, LON bus, Modbus options via rear communication modules (e.g., RS-485 / optical connections) |
| Logic Programming | Supports IEC 61131-3 functional logic configuration for interlocking and control sequences |
| Display & HMI | Local LCD screen with programmable pushbuttons and configurable LED indicators |
| Enclosure Protection | IP54 for front face (when panel mounted with gasket), IP20 for rear terminals |
| Operating Temperature | -10 to +55°C |
| Compliance Standards | IEC 60255, CE, cULus (verify with OEM datasheet) |
Supply & Commercial Terms
- Condition: New Surplus / Factory Sealed / Refurbished Tested (specify exact inventory status upon inquiry)
- Availability: Stock dependent; typical dispatch within 1 to 2 weeks for non-stocked or configured modules.
- Warranty: 12-month standard replacement warranty from date of delivery.
- Pricing Note: Listed price is indicative and subject to market conditions; contact us for a firm quote.
Field Deployment & Integration Context
When commissioning or retrofitting the REM543BM213AAAA terminal in switchgear compartments, verify the physical hardware slot allocation and matching rear terminal blocks, as Rel500 series units rely on specific plug-in I/O modules and transformer card configurations.
Configuration and parameter settings are managed using ABB relay configuration tools (such as CAP505 or tool suites designed for the 500 series). Ensure that the CT (Current Transformer) and VT (Voltage Transformer) ratios configured in the software match the physical instrument transformer ratings to maintain thermal overload model accuracy. For communication integration with substation automation platforms, check the rear RS-485 or optical link jumper settings for SPA-bus or LON-bus protocol compliance.
Frequently Asked Questions
What does the “REM543” designation indicate?
The “REM” prefix designates a dedicated motor protection and control terminal, distinguishing it from feeder-focused (REF) or voltage-focused (REU) variants in the same product line.
Can this unit handle motor differential protection?
Depending on the specific hardware option code embedded within the full model string (such as the analog and RTD card allocations), the REM543 platform supports comprehensive motor protection functions including thermal overload, short-circuit, unbalance, and restricted earth fault protection. Verify slot option capability via the hardware label.
What software is required to upload or modify configuration parameters?
Engineering and offline parameterization are typically performed using ABB’s dedicated tool environment compatible with the 500 series terminals via the front RS-232 configuration port.
