$8,520.00 Original price was: $8,520.00.$3,100.00Current price is: $3,100.00.
The ABB RET543AM243AAAB is a digital transformer terminal of the Relion® series, specialized in protecting, controlling, measuring, and supervising two-winding power transformers and generator-transformer blocks in distribution networks with high precision and reliability .
| Parameter | Details |
|---|---|
| Model | ABB RET543AM243AAAB |
| Product Series | Relion® Series |
| Manufacturer | ABB |
| Product Type | Digital Transformer Terminal / Protection Relay |
| Core Functions | Transformer protection (overcurrent, earth-fault, thermal overload); measurement (voltage, current, power); remote control; fault recording |
| Rated Current | 2.5 A or 24 A |
| Auxiliary Power Supply | 220 V or 440 V |
| Processing Speed | 550 μs |
| Input/Output | 25 binary inputs; 18 output relays |
| Communication Interfaces | Supports IEC 61850, Modbus; optional Profibus DPv1 via adapter |
| Display | Integrated LCD display with operation keys |
| Operating Temperature Range | -40°C to +70°C (typical for industrial protection devices) |
| Protection Rating | IP67 |
| Dimensions (W × H × D) | 45 mm × 119 mm × 102 mm |
| Weight | 0.21 kg |
| Mounting Type | DIN rail-mounted (standard industrial configuration) |
| Certifications | Compliant with IEC standards for power system protection |
| System Compatibility | ABB MicroSCADA Pro; Substation automation systems; DCS/PLC |
| Applications | Power system substations; industrial distribution networks; generator-transformer blocks |
AC 800M is a family of rail-mounted modules, consisting of CPUs, communication modules, power supply modules and various accessories. There are several CPU modules to choose from, ranging from single units with medium processing power and memory to fully redundant units with high processing power.

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