REF542PLUS ABB | Feeder Terminal with Protection and Monitoring
Manufacturer: ABB
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Part Number: REF542PLUS 1VCR007346
Condition：New with Original Package
Product Type: Feeder Terminal with Protection and Monitoring
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
The ABB REF542PLUS (1VCR007346) is a multifunction feeder terminal designed for medium‑voltage distribution systems, combining protection, control, and monitoring functions into a single compact unit. It ensures reliable operation of industrial plants, substations, and utility networks by providing comprehensive feeder protection against overcurrent, earth faults, and short circuits.
Moreover, the REF542PLUS enables control of circuit breakers and switchgear while continuously measuring electrical parameters, including current, voltage, power, and energy. Therefore, operators gain precise real‑time insights for process optimization, event logging, and disturbance analysis.
In addition, this intelligent terminal supports multiple communication protocols such as IEC 61850, Modbus, and Profibus, enabling seamless integration into modern SCADA and distributed control systems. Its compact design ensures easy panel mounting in switchgear compartments, making installation and maintenance straightforward.
Technical Specifications
| Attribute | Specification |
|---|---|
| Model | REF542PLUS |
| Part Number | 1VCR007346 |
| Type | Multifunction Feeder Terminal |
| System Compatibility | Medium‑voltage switchgear (industrial & utility) |
| Protection Functions | Overcurrent, earth fault, short circuit, directional protection |
| Control Functions | Circuit breaker and switchgear control |
| Measurement | Current, voltage, frequency, power, energy |
| Recording | Event logging, disturbance recording |
| Communication Protocols | IEC 61850, Modbus, Profibus, SPA bus |
| Power Supply | 24–48 V DC or 110–240 V AC/DC (depending on variant) |
| Operating Temperature | –25 °C to +55 °C |
| Storage Temperature | –40 °C to +70 °C |
| Mounting | Panel‑mounted in switchgear compartments |
| Dimensions (W × H × D) | 270 × 180 × 220 mm |
| Weight | 5–6 kg |
| Application Areas | Power distribution, substations, industrial plants |
FAQ
Q1: What is the primary purpose of the REF542PLUS?
A1: It provides feeder protection, control, and monitoring in medium‑voltage distribution systems.
Q2: Which communication protocols are supported?
A2: The unit supports IEC 61850, Modbus, Profibus, and SPA bus protocols for system integration.
Q3: Can it be installed in compact switchgear panels?
A3: Yes, its compact design allows easy panel mounting in industrial switchgear compartments.
Q4: What types of protection functions does it provide?
A4: REF542PLUS offers overcurrent, earth fault, short circuit, and directional protection.
Q5: Which industries typically use this terminal?
A5: It is used in power distribution, industrial plants, substations, and medium‑voltage networks.