8 in stock
ABB REF543KM129BAAA Protection Relay for Electrical Systems
Condition:
NEW
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Delivery
Estimated between Saturday, September 19 and Monday, September 21
Returns
30-day returns. Buyer pays return shipping. See details – More info about returns
Payment
Wire Transfer (T/T) or PayPal
ABB REF543KM129BAAA
Advanced protection and control for electrical distribution networks, ensuring reliable and safe operation
| Brand | ABB |
| Model | REF543KM129BAAA |
| Voltage | 24V DC |
| Country of Origin | Sweden |
| Weight | 2.5 kg |
| Dimensions | 177x127x100 mm |
| Warranty | 6 months |
| Certifications | CE, UL, IEC 60255 |
| SKU / MPN | REF543KM129BAAA |
| What’s in the box | Protection relay unit, mounting brackets, terminal blocks, user manual, quick start guide |
| Protection Functions | Overcurrent, earth fault, undervoltage, overvoltage |
| Communication | Modbus RTU, IEC 61850 |
| Inputs/Outputs | 8 digital inputs, 4 digital outputs |
| Measurement Accuracy | Class 0.5 |
| Operating Temperature | -25°C to +55°C |
| Mounting | Panel mount |
Key benefits: High accuracy protection, flexible communication options, robust design, easy configuration, comprehensive diagnostics
Typical applications: Substation automation, transformer protection, feeder protection, motor protection, industrial power distribution
Lifecycle: Active product, 10+ years availability
1 review for ABB REF543KM129BAAA Protection Relay for Electrical Systems
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David L. –
Excellent build quality on the terminal blocks. Makes panel wiring neat and fast.