ABB REF542plus | Multi-Functional Feeder Protection & Control Relay-Xiongba Automation

Warranty： 1 year

Quality: Original module

Condition： New / Used

Certificate: COO(Certificate Of Original)

Warehouse: in -stock

HS Code:85389000.00

Delivery term:Express DHL/FedEx/UPS

Delivery time: Shipped in 1 week after payment

Payment term: T/T | Full payment

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Product Description & Procurement Process

Same Family / Related Models

ABB REF542plus: The Digital Intelligence for Medium Voltage Switchgear

The ABB REF542plus is a high-performance, modular Feeder Protection and Control Relay designed for the modern smart grid. It is the evolution of the successful REF542 series, combining advanced micro-processing technology with a deep understanding of power system stability.

What sets the REF542plus apart is its integrated approach. By consolidating numerous functions into a single, compact unit, it reduces the need for multiple discrete components, simplifies wiring, and lowers the overall cost of ownership for primary and secondary distribution substations. Whether you are managing industrial feeders, motor protection, or transformer monitoring, the REF542plus provides a transparent and reliable window into your power network.

Technical Specifications

Feature	Details
Model Number	REF542plus (Series 2 / Series 3)
Primary Function	Feeder Protection, Control, Measurement & Monitoring
Power Supply	110–240 V AC/DC or 48–110 V DC (Variant dependent)
I/O Capacity	Modular: Up to 14 binary inputs / 10 binary outputs
HMI Display	Large Graphic Display with programmable mimic diagrams
Communication	Modbus RTU, IEC 60870-5-103, LonTalk, IEC 61850
Protection Functions	Overcurrent, Earth Fault, Differential, Motor, Transformer
Condition	100% Original & Brand New / Certified Stock

ABB REF542plus Feeder Protection and Control Relay Front Panel with Graphic HMI and Mimic Diagram

Key Features & Operational Role

Core Integration	Operational Advantage
All-in-One Integration	Replaces traditional meters and control switches. One unit handles fault detection and circuit breaker control.
Graphic HMI Mimic	Displays real-time Single Line Diagrams (SLD), allowing safe local monitoring and manual breaker control.
Modular Versatility	Hardware is "built-to-order" with modular I/O cards, comms, and analog inputs to fit specific site requirements.
High-Speed Fault Recording	Integrated disturbance recorder captures high-resolution trip data for rapid post-fault analysis.
Global Grid Compatibility	Fully supports IEC 61850, ensuring seamless integration into modern digital substations.

Why Choose Us? (Your Power Distribution Partner)

Our Service Promise	Customer Value
Guaranteed ABB Authenticity	Relays are the "last line of defense." We supply only 100% genuine ABB hardware for absolute fault logic reliability.
Configuration Verification	Live WhatsApp consultation to verify your specific "Order Code" and ensure hardware module compatibility.
12-Month Warranty	Every brand-new REF542plus is backed by a full 1-year replacement warranty for utility and industrial operators.
Specialized Global Logistics	Experts in delivering sensitive electronic relays to Saudi Arabia, UAE, and Kazakhstan using ESD-safe packaging.

ABB REF542plus Rear View Showing Modular I/O Slots and Communication Interface Modules

Frequently Asked Questions (FAQ)

Q1: Can I replace an older REF542 (non-plus) with a REF542plus?

A: In most cases, yes. The REF542plus is backward compatible, but wiring and configuration files will need to be adapted for the newer hardware revision using the Configuration Tool.

Q2: Does the unit come with the HMI (Human Machine Interface) attached?

A: It can be ordered as a base unit or with a detached/integrated HMI. We typically supply the integrated graphic display version unless otherwise specified.

Q3: Which software is used for programming?

A: The REF542plus is configured using the ABB REF542plus Configuration Tool. Always verify software version compatibility before uploading new logic.

Q4: How fast can you deliver for an emergency substation repair?

A: We prioritize "Power Outage" situations. Express air freight (DHL/FedEx) typically delivers to major industrial hubs in 3–5 business days.

Request a Professional Quote Today

Bring digital intelligence and robust protection to your switchgear. Secure a certified ABB REF542plus today. Contact Xiamen Xiongba E-commerce Co., Ltd. for actual stock photos, technical validation, and a competitive quote.